CN104405927A - Intelligent anti-mixing valve - Google Patents
Intelligent anti-mixing valve Download PDFInfo
- Publication number
- CN104405927A CN104405927A CN201410673272.8A CN201410673272A CN104405927A CN 104405927 A CN104405927 A CN 104405927A CN 201410673272 A CN201410673272 A CN 201410673272A CN 104405927 A CN104405927 A CN 104405927A
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- piston
- cylinder
- chamber
- upper piston
- valve core
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to an intelligent anti-mixing valve which comprises an intelligent executor, a cylinder, a valve body, a main valve core and a secondary valve core, wherein an upper piston and a lower piston are arranged in the cylinder; the upper piston and the lower piston are both made of aluminum alloys; an upper piston sealing ring is arranged between the upper piston and the inner wall of the cylinder; a lower piston sealing ring is arranged between the lower piston and the inner wall of the cylinder; the upper piston sealing ring and the lower piston sealing ring are both made of nitrile rubber. Besides, the valve structure is optimally designed, so that the conditions of pollution, leakage and mixing during a working process are effectively prevented; no dead angle exists during a CIP cleaning process; sterile operations under various environments can be performed; mounting and dismounting are very simple and convenient; the daily nursing and maintaining of a factory are benefited; the sealing property of the products is better; the weight is lighter; the running is more reliable and accurate.
Description
Technical field
The present invention relates to valve technology field, is a kind of intelligent mixing-preventing valve specifically.
Background technique
Intelligence two-seater mixing-preventing valve is the health double seal valve of height, there are two independently seal spool parts, a leakage chamber communicated with air will be formed between these two Sealings when normal working, leakage chamber and leak detector can be cleaned by the elevator system of valve seat, this system can realize synchronizing process in two valve bodies, prevents the contaminated possibility of material.This mixing-preventing valve in Food processing technique, especially extensive use in beverage, beer, pharmacy, chemical industry, dairy processing industry.
There are following defects in the two-seater mixing-preventing valve used in the market, volume is large, accessory is many, be not easy to dismounting safeguards, and have dead angle, releasing system can touch product, pollution can be produced, can hydraulic pressure be produced when cleaning, device systems and the impact of valve open/close system during cleaning, can be subject to.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, technical problem to be solved by this invention is to provide the intelligent mixing-preventing valve of a kind of effective preventing pollution, leakage and batch mixing.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of intelligent mixing-preventing valve, comprises intelligent actuator, cylinder, valve body, main valve plug and auxiliary valve core;
Described intelligent actuator is positioned at the top of cylinder, is provided with and is connected cushion block between intelligent actuator with cylinder;
Described cylinder is longitudinally arranged, upper piston and lower piston is provided with in cylinder, the material of upper piston and lower piston is aluminum alloy, upper piston seal circle is provided with between upper piston and cylinder inner wall, lower piston seal ring is provided with between lower piston and cylinder inner wall, the material of upper piston seal circle and lower piston seal ring is nitrile butadiene rubber, cylinder inner cavity is divided into the first chamber by described upper piston and lower piston from top to bottom successively, second chamber and the 3rd chamber, the side of described first chamber is provided with the first suction port, the side of described second chamber is provided with the second suction port, the side of described 3rd chamber is provided with the 3rd suction port, described upper piston is made up of main piston and sub-piston, the lower end surface of main piston is provided with groove, sub-piston is arranged in described groove, main piston is provided with air hole,
Described valve body is positioned at the below of cylinder, and the upper end of valve body is connected with the cylinder cap of cylinder, is provided with first medium runner, connecting passage and second medium runner from top to bottom successively in valve body;
Described main valve plug is longitudinally arranged in cylinder and valve body, apocenosis passage is provided with in main valve plug, the upper end of main valve plug is successively through cylinder cap, lower piston, upper piston is connected with the intelligent actuator above cylinder with cylinder bottom, the lower end of main valve plug is successively through first medium runner, connecting passage and second medium runner, the main valve plug position corresponding with connecting passage is provided with the first annular flange flange and via, via is positioned at the top of the first annular flange flange, main valve plug seal ring is provided with between first annular flange flange and the inwall of connecting passage, via is connected with apocenosis passage, described main valve plug and upper piston are linked,
Described auxiliary valve core is set in outside described main valve plug, the upper end of auxiliary valve core is successively through stretching in the second chamber after cylinder cap and lower piston, the lower end of auxiliary valve core extends to the bottom of first medium runner, the lower end of auxiliary valve core is provided with the second annular flange flange, be provided with auxiliary valve core seal ring between the bottom of the second annular flange flange and first medium runner, described auxiliary valve core and lower piston are linked;
The first spring is provided with in described first chamber, the two ends of the first spring lean respectively on the end face of the first chamber and the upper-end surface of upper piston, be provided with the second spring in described second chamber, the two ends of described second spring lean respectively on the lower end surface of described sub-piston and the upper-end surface of auxiliary valve core.
Beneficial effect of the present invention is:
1, adopt intelligent actuator to carry out intelligentized control method, effectively prevent occur in work pollution, leakage and batch mixing situation;
2, two independently main valve plug seal ring and auxiliary valve core seal rings are devised, these two independently can produce a leakage chamber communicated with air between seal spool, when having an accident or reveal once in a while, product will flow to be revealed chamber and emits from apocenosis passage, therefore would not occur the situation of leakage or batch mixing.Under valve opening state, this leakage chamber closes completely, would not there is the situation occurring that product overflows at work;
3, mixing-preventing valve of the present invention can also carry out CIP cleaning, and the design of standard makes this valve without any dead angle, can carry out the aseptic work of multiple environment, can match German precious Supreme Being or French De Weinuosi intelligent controller in addition to carry out remote operation;
4, this valve is used can to guarantee to have the processing enterprise of health and sterility requirements, have the ability to set up the multiple vias process system of automation, the product and the clean cardiopulmonary bypass in beating heart that reach modern production technique needs operate, and realize the Economic optimization that factory building utilizes maximization and some process operation.Mixing-preventing valve of the present invention to guarantee in all complicated transit systems product or cleaning liquid mutually isolated, and dismantle, install extremely simple and convenient, be conducive to daily nursing and the maintenance of factory;
5, upper piston and lower piston adopt aluminum alloy material, and upper piston seal circle and lower piston seal ring adopt nitrile butadiene rubber material, have both enhanced the sealability of valve, and have also mitigated the weight of valve.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the intelligent mixing-preventing valve of the embodiment of the present invention.
Figure 2 shows that the structural representation of the main valve stem of the embodiment of the present invention.
Figure 3 shows that the structural representation of the auxiliary valve rod of the embodiment of the present invention.
Figure 4 shows that the structural representation of the upper piston of the embodiment of the present invention.
Label declaration:
1-intelligent actuator; 2-cylinder; 3-valve body; 4-main valve plug; 5-auxiliary valve core; 6-connects cushion block; 7-first spring; 8-second spring; 9-selflubricating joint; 10-CIP cleans plug; 20-upper piston; 21-lower piston; 22-first chamber; 23-second chamber; 24-the 3rd chamber; Snap ring in 25-first; Snap ring in 26-second; 30-first medium runner; 31-connecting passage; 32-second medium runner; 40-apocenosis passage; 41-first annular flange flange; 42-via; 43-main valve plug seal ring; 44-first positive stop lug boss; The upper connecting rod of 45-; Connecting rod in 46-; 47-lower link; 50-second annular flange flange; 51-auxiliary valve core seal ring; 52-second positive stop lug boss; 200-upper piston seal circle; 210-lower piston seal ring; 220-first suction port; 240-the 3rd suction port; 201-main piston; 202-sub-piston; 2010-air hole.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with mode of execution.
The design of most critical of the present invention is: by the optimal design to valve mechanism; the situation of the pollution effectively preventing from occurring in work, leakage and batch mixing; without any dead angle during CIP cleaning; the aseptic work of multiple environment can be carried out; and dismantle, install extremely simple and convenient; be conducive to daily nursing and the maintenance of factory, the material optimization of valve part also makes the sealability of product better, and weight is lighter.
Please refer to shown in Fig. 1 to Fig. 4, the intelligent mixing-preventing valve of present embodiment, comprise intelligent actuator 1, cylinder 2, valve body 3, main valve plug 4 and auxiliary valve core 5;
Described intelligent actuator 1 is positioned at the top of cylinder 2, is provided with and is connected cushion block 6 between intelligent actuator 1 with cylinder 2;
Described cylinder 2 is longitudinally arranged, upper piston 20 and lower piston 21 is provided with in cylinder 2, the material of upper piston 20 and lower piston 21 is aluminum alloy, upper piston seal circle 200 is provided with between upper piston 20 and cylinder 2 inwall, lower piston seal ring 210 is provided with between lower piston 21 and cylinder 2 inwall, the material of upper piston seal circle 200 and lower piston seal ring 210 is nitrile butadiene rubber, cylinder 2 inner chamber is divided into the first chamber 22 by described upper piston 20 and lower piston 21 from top to bottom successively, second chamber 23 and the 3rd chamber 24, the side of described first chamber 22 is provided with the first suction port 220, the side of described second chamber 23 is provided with the second suction port, the side of described 3rd chamber 24 is provided with the 3rd suction port 240, described upper piston 20 is made up of main piston 201 and sub-piston 202, the lower end surface of main piston 201 is provided with groove, sub-piston 202 is arranged in described groove, main piston 201 is provided with air hole 2010,
Described valve body 3 is positioned at the below of cylinder 2, and the upper end of valve body 3 is connected with the cylinder cap of cylinder 2, is provided with first medium runner 30, connecting passage 31 and second medium runner 32 from top to bottom successively in valve body 3;
Described main valve plug 4 is longitudinally arranged in cylinder 2 and valve body 3, apocenosis passage 40 is provided with in main valve plug 4, the upper end of main valve plug 4 is successively through cylinder cap, lower piston 21, upper piston 20 is connected with the intelligent actuator 1 above cylinder 2 with cylinder bottom, the lower end of main valve plug 4 is successively through first medium runner 30, connecting passage 31 and second medium runner 32, main valve plug 4 position corresponding with connecting passage 31 is provided with the first annular flange flange 41 and via 42, via 42 is positioned at the top of the first annular flange flange 41, main valve plug seal ring 43 is provided with between first annular flange flange 41 and the inwall of connecting passage 31, via 42 is connected with apocenosis passage 40, described main valve plug 4 is linked with upper piston 20,
Described auxiliary valve core 5 is set in outside described main valve plug 4, the upper end of auxiliary valve core 5 is successively through stretching in the second chamber 23 after cylinder cap and lower piston 21, the lower end of auxiliary valve core 5 extends to the bottom of first medium runner 30, the lower end of auxiliary valve core 5 is provided with the second annular flange flange 50, be provided with auxiliary valve core seal ring 51 between second annular flange flange 50 and the bottom of first medium runner 30, described auxiliary valve core 5 is linked with lower piston 21;
The first spring 7 is provided with in described first chamber 22, the two ends of the first spring 7 lean respectively on the end face of the first chamber 22 and the upper-end surface of upper piston 20, be provided with the second spring 8 in described second chamber 23, the two ends of described second spring 8 lean respectively on the lower end surface of described sub-piston 202 and the upper-end surface of auxiliary valve core 5.
Working principle of the present invention is as follows:
When pouring pressurized air by the second suction port in the second chamber 23, upper piston 20 moves upward and drives main valve plug 4 to move upward, and the first annular flange flange 41 and auxiliary valve core 5 promote auxiliary valve core 5 and move upward and realize the conducting of first medium runner 30 and second medium runner 32 after conflicting; When pouring pressurized air by the first suction port 220 in the first chamber 22, pressurized air enters promotion sub-piston 202 by the air hole 2010 on main piston 201 and moves downward, thus drive main valve plug 4 to move downward, seal through auxiliary valve core seal ring 51 between bottom auxiliary valve core 5 and first medium runner 30, the now conducting of apocenosis passage 40 and second medium runner 32, can clean separately second medium runner 32, first medium runner 30 still can carry out medium transport; When pouring pressurized air by the 3rd suction port 240 in the 3rd chamber 24, pressurized air promotes lower piston 21 and moves upward, thus drive auxiliary valve core 5 to move upward, seal through main valve plug seal ring 43 between first annular flange flange 41 and connecting passage 31, the now conducting of apocenosis passage 40 and first medium runner 30, can clean separately first medium runner 30, second medium runner 32 still can carry out medium transport.
In the above-described embodiments, described first spring 7 is for resetting main valve plug 4 downwards, and described second spring 8 is for resetting auxiliary valve core 5 downwards and upwards being resetted by main valve plug 4.
Seen from the above description, beneficial effect of the present invention is:
1, adopt intelligent actuator to carry out intelligentized control method, effectively prevent occur in work pollution, leakage and batch mixing situation;
2, two independently main valve plug seal ring and auxiliary valve core seal rings are devised, these two independently can produce a leakage chamber communicated with air between seal spool, when having an accident or reveal once in a while, product will flow to be revealed chamber and emits from apocenosis passage, therefore would not occur the situation of leakage or batch mixing.Under valve opening state, this leakage chamber closes completely, would not there is the situation occurring that product overflows at work;
3, mixing-preventing valve of the present invention can also carry out CIP cleaning, and the design of standard makes this valve without any dead angle, can carry out the aseptic work of multiple environment, can match German precious Supreme Being or French De Weinuosi intelligent controller in addition to carry out remote operation;
4, this valve is used can to guarantee to have the processing enterprise of health and sterility requirements, have the ability to set up the multiple vias process system of automation, the product and the clean cardiopulmonary bypass in beating heart that reach modern production technique needs operate, and realize the Economic optimization that factory building utilizes maximization and some process operation.Mixing-preventing valve of the present invention to guarantee in all complicated transit systems product or cleaning liquid mutually isolated, and dismantle, install extremely simple and convenient, be conducive to daily nursing and the maintenance of factory;
5, upper piston and lower piston adopt aluminum alloy material, and upper piston seal circle and lower piston seal ring adopt nitrile butadiene rubber material, have both enhanced the sealability of valve, and have also mitigated the weight of valve.
Further, the below being positioned at upper piston 20 in described second chamber 23 is provided with the first snap ring 25 moved down for limiting upper piston 20, and the top being positioned at lower piston 21 in described second chamber 23 is provided with the second snap ring 26 moved up for limiting lower piston 21.
From foregoing description, beneficial effect of the present invention is: in first, snap ring 25 is used for restriction first spring 7 and promotes the moving displacement that upper piston 20 resets downwards, is used for locating upper piston 20; In second, snap ring 26 is used for restriction second spring 8 and promotes the moving displacement that lower piston 21 upwards resets, and is used for locating lower piston 21.Like this to arrange structure simple, reliable.
Further, the side that described main valve plug 4 is positioned at the first chamber 22 stretches out and is provided with the first positive stop lug boss 44, and the side that described auxiliary valve core 5 is positioned at the second chamber 23 stretches out and is provided with the second positive stop lug boss 52.
From foregoing description, beneficial effect of the present invention is: the first positive stop lug boss 44 can make primary spools 4 after the certain displacement that moves upward, and can not continue motion again; Described second positive stop lug boss 52 makes auxiliary valve core 5 after the certain displacement that moves upward, and can not continue motion again.Like this be arranged so that the motion of main valve plug 4, auxiliary valve core 5 is more accurate.
Further, selflubricating joint 9 is provided with between described main valve plug 4 and the cylinder bottom of cylinder 2.
Further, the part of described auxiliary valve core 5 between cylinder 2 and valve body 3 is provided with CIP and cleans plug 10.
Further, the elasticity coefficient of described first spring 7 is greater than the elasticity coefficient of the second spring 8.
From foregoing description, beneficial effect of the present invention is: when making lower piston 21 move upward like this, upper piston 20 can not be pushed, thus auxiliary valve core 5 can only be made to move upward.
Further, described main valve plug 4 comprises the upper connecting rod 45, middle connecting rod 46 and the lower link 47 that are fixedly connected sequentially from top to bottom, and described first annular flange flange 41, via 42 and apocenosis passage 40 are arranged on described lower link 47.
From foregoing description, beneficial effect of the present invention is: main valve plug 4 split arranged, can reduce the circular runout of main valve plug 4.
In sum, intelligent mixing-preventing valve provided by the invention, the situation of the pollution that can not only effectively prevent from occurring in work, leakage and batch mixing, CIP cleaning time without any dead angle, and dismounting, install extremely simple and convenient, sealability is better, weight is lighter, runs also more accurately reliable.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. an intelligent mixing-preventing valve, is characterized in that: comprise intelligent actuator, cylinder, valve body, main valve plug and auxiliary valve core;
Described intelligent actuator is positioned at the top of cylinder, is provided with and is connected cushion block between intelligent actuator with cylinder;
Described cylinder is longitudinally arranged, upper piston and lower piston is provided with in cylinder, the material of upper piston and lower piston is aluminum alloy, upper piston seal circle is provided with between upper piston and cylinder inner wall, lower piston seal ring is provided with between lower piston and cylinder inner wall, the material of upper piston seal circle and lower piston seal ring is nitrile butadiene rubber, cylinder inner cavity is divided into the first chamber by described upper piston and lower piston from top to bottom successively, second chamber and the 3rd chamber, the side of described first chamber is provided with the first suction port, the side of described second chamber is provided with the second suction port, the side of described 3rd chamber is provided with the 3rd suction port, described upper piston is made up of main piston and sub-piston, the lower end surface of main piston is provided with groove, sub-piston is arranged in described groove, main piston is provided with air hole,
Described valve body is positioned at the below of cylinder, and the upper end of valve body is connected with the cylinder cap of cylinder, is provided with first medium runner, connecting passage and second medium runner from top to bottom successively in valve body;
Described main valve plug is longitudinally arranged in cylinder and valve body, apocenosis passage is provided with in main valve plug, the upper end of main valve plug is successively through cylinder cap, lower piston, upper piston is connected with the intelligent actuator above cylinder with cylinder bottom, the lower end of main valve plug is successively through first medium runner, connecting passage and second medium runner, the main valve plug position corresponding with connecting passage is provided with the first annular flange flange and via, via is positioned at the top of the first annular flange flange, main valve plug seal ring is provided with between first annular flange flange and the inwall of connecting passage, via is connected with apocenosis passage, described main valve plug and upper piston are linked,
Described auxiliary valve core is set in outside described main valve plug, the upper end of auxiliary valve core is successively through stretching in the second chamber after cylinder cap and lower piston, the lower end of auxiliary valve core extends to the bottom of first medium runner, the lower end of auxiliary valve core is provided with the second annular flange flange, be provided with auxiliary valve core seal ring between the bottom of the second annular flange flange and first medium runner, described auxiliary valve core and lower piston are linked;
The first spring is provided with in described first chamber, the two ends of the first spring lean respectively on the end face of the first chamber and the upper-end surface of upper piston, be provided with the second spring in described second chamber, the two ends of described second spring lean respectively on the lower end surface of described sub-piston and the upper-end surface of auxiliary valve core.
2. intelligent mixing-preventing valve according to claim 1, it is characterized in that: the below being positioned at upper piston in described second chamber is provided with the first snap ring moved down for limiting upper piston, the top being positioned at lower piston in described second chamber is provided with the second snap ring moved up for limiting lower piston.
3. intelligent mixing-preventing valve according to claim 1, is characterized in that: the side that described main valve plug is positioned at the first chamber stretches out and is provided with the first positive stop lug boss, and the side that described auxiliary valve core is positioned at the second chamber stretches out and is provided with the second positive stop lug boss.
4. intelligent mixing-preventing valve according to claim 1, is characterized in that: be provided with selflubricating joint between described main valve plug and the cylinder bottom of cylinder.
5. intelligent mixing-preventing valve according to claim 1, is characterized in that: the part of described auxiliary valve core between cylinder and valve body is provided with CIP and cleans plug.
6. intelligent mixing-preventing valve according to claim 1, is characterized in that: the elasticity coefficient of described first spring is greater than the elasticity coefficient of the second spring.
7. intelligent mixing-preventing valve according to claim 1, is characterized in that: described main valve plug comprises the upper connecting rod be fixedly connected sequentially, middle connecting rod and lower link from top to bottom, and described first annular flange flange, via and apocenosis passage are arranged on described lower link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673272.8A CN104405927A (en) | 2014-11-21 | 2014-11-21 | Intelligent anti-mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673272.8A CN104405927A (en) | 2014-11-21 | 2014-11-21 | Intelligent anti-mixing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405927A true CN104405927A (en) | 2015-03-11 |
Family
ID=52643578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410673272.8A Pending CN104405927A (en) | 2014-11-21 | 2014-11-21 | Intelligent anti-mixing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386680A (en) * | 2018-12-21 | 2019-02-26 | 宜宾三江机械有限责任公司 | A kind of oiling exhaust quick dismantling self seal joint |
| CN109798368A (en) * | 2019-02-27 | 2019-05-24 | 苏州纽威阀门股份有限公司 | A kind of seperating range control valve |
| CN113339514A (en) * | 2021-05-25 | 2021-09-03 | 宁波凯拓阀门有限公司 | Adjustable direct-injection double-channel valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29923799U1 (en) * | 1999-11-12 | 2001-05-03 | Tuchenhagen GmbH, 21514 Büchen | Double-seat valve with flushable valve rod bushing on the valve housing |
| WO2004063609A1 (en) * | 2003-01-09 | 2004-07-29 | Tuchenhagen Gmbh | Double-seat valve |
| CN101603553A (en) * | 2007-12-04 | 2009-12-16 | Apv罗西塔有限公司 | The equipment that is used for the start-up course valve in the food processing |
| CN201575226U (en) * | 2009-12-29 | 2010-09-08 | 浙江远安流体设备有限公司 | Four-way mix-proof double-seat valve |
| CN102297272A (en) * | 2011-09-06 | 2011-12-28 | 温州奥米流体设备科技有限公司 | Mix-proof valve |
| CN202561136U (en) * | 2012-04-23 | 2012-11-28 | 温州永德信流体设备有限公司 | Double-seat mixing prevention valve |
| CN204328080U (en) * | 2014-11-21 | 2015-05-13 | 福建沃隆管阀制造有限公司 | A kind of intelligent mixing-preventing valve |
-
2014
- 2014-11-21 CN CN201410673272.8A patent/CN104405927A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29923799U1 (en) * | 1999-11-12 | 2001-05-03 | Tuchenhagen GmbH, 21514 Büchen | Double-seat valve with flushable valve rod bushing on the valve housing |
| WO2004063609A1 (en) * | 2003-01-09 | 2004-07-29 | Tuchenhagen Gmbh | Double-seat valve |
| CN101603553A (en) * | 2007-12-04 | 2009-12-16 | Apv罗西塔有限公司 | The equipment that is used for the start-up course valve in the food processing |
| CN201575226U (en) * | 2009-12-29 | 2010-09-08 | 浙江远安流体设备有限公司 | Four-way mix-proof double-seat valve |
| CN102297272A (en) * | 2011-09-06 | 2011-12-28 | 温州奥米流体设备科技有限公司 | Mix-proof valve |
| CN202561136U (en) * | 2012-04-23 | 2012-11-28 | 温州永德信流体设备有限公司 | Double-seat mixing prevention valve |
| CN204328080U (en) * | 2014-11-21 | 2015-05-13 | 福建沃隆管阀制造有限公司 | A kind of intelligent mixing-preventing valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386680A (en) * | 2018-12-21 | 2019-02-26 | 宜宾三江机械有限责任公司 | A kind of oiling exhaust quick dismantling self seal joint |
| CN109798368A (en) * | 2019-02-27 | 2019-05-24 | 苏州纽威阀门股份有限公司 | A kind of seperating range control valve |
| CN109798368B (en) * | 2019-02-27 | 2023-08-29 | 苏州纽威阀门股份有限公司 | Part-way regulating valve |
| CN113339514A (en) * | 2021-05-25 | 2021-09-03 | 宁波凯拓阀门有限公司 | Adjustable direct-injection double-channel valve |
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Application publication date: 20150311 |