wafer dual-plate metal sealing check valve-manufacture,factory,supplier from China

(Total 10 Products for wafer dual-plate metal sealing check valve)
At the contrary, the valve is closed while the medium flows back.  swing test valves have a disc this is tilted and rotates on its axis and paintings in a similar way to lift test valves.  check valves are often used as bottom valves in pumping units to save you the backflow of water.  check valves are combined with globe valves to provide safety isolation.  risks are large resistance, poor sealing when final.Cast Iron Wafer Type Check Valve Material:The body materia: GG25,GGG40,GGG50The disc material: DI/SS304/SS316/AL-BZThe stem/spring material: SS416/SS304The seat m
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 butterfly plate outer circle using spherical shape, improve the sealing performance and prolong the service life of the valve, with pressure open and close more than 50,000 times still maintain zero leakage. the sealing parts can be replaced, and the sealing is reliable to achieve two-way sealing.   butterfly plate can be spraying coating according to user requirements, such as nylon or ptfe.   the valve can be designed as flange connection and clamping connection.
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Check valve is to rely on the flow of the medium itself and automatically open and close valve disc, used to prevent the media flow back valve, also known as check valve, one-way valve, countercurrent valve, and back pressure valve.  Check valve is a kind of automatic valve, its main function is to prevent media backflow, prevent pump and drive motor reverse, as well as the discharge of container medium.  Check valves can also be used to supply lines in which pressure may rise to exceed system pressure in the auxiliary system.
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At the contrary, the valve is closed while the medium flows back.  swing test valves have a disc this is tilted and rotates on its axis and paintings in a similar way to lift test valves.  check valves are often used as bottom valves in pumping units to save you the backflow of water.  check valves are combined with globe valves to provide safety isolation.  risks are large resistance, poor sealing when final.Cast Iron Wafer Type Check Valve Material:The body materia: GG25,GGG40,GGG50The disc material: DI/SS304/SS316/AL-BZThe stem/spring material: SS416/SS304The seat m
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Check valve refers to the hole and ultimate additives of the spherical disc and through its very own weight and media pressure generated movement to dam the media drift lower back valve.  automatic valve beauty, also known as take a look at valve, one-manner valve, backflow valve or isolation valve.  disc movement is split into lifting and swing.  lift check valves are similar in creation to globe valves besides for the stem that drives the disc.  the medium flows in from the inlet prevent (decrease facet) and flows out from the opening quit (better side).Cast Iron Wafer Ty
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Check valve is to rely on the flow of the medium itself and automatically open and close valve disc, used to prevent the media flow back valve, also known as check valve, one-way valve, countercurrent valve, and back pressure valve.  Check valve is a kind of automatic valve, its main function is to prevent media backflow, prevent pump and drive motor reverse, as well as the discharge of container medium.  Check valves can also be used to supply lines in which pressure may rise to exceed system pressure in the auxiliary system.
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Test valves are often used as bottom valves in pumping gadgets to prevent the backflow of water.  take a look at valves are blended with globe valves to offer protection isolation.  dangers are huge resistance, terrible sealing when last.Cast Iron Wafer Type Check Valve Material:The body materia: GG25,GGG40,GGG50The disc material: DI/SS304/SS316/AL-BZThe stem/spring material: SS416/SS304The seat material:NBR/EPDM/VITON Standard:ANSI/JIS/DIN/BS Usage:They are used for pipe of transporting water with such medium as water sewage and seawater.It can avoid media flowing bac
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electric butterfly valve can transport mud, at the mouth of the least liquid accumulation.  electric butterfly valve under low pressure, can achieve good sealing.
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Butterfly plate outer circle using spherical form, improve the sealing performance and prolong the service lifestyles of the valve, with stress open and close extra than 50,000 times nonetheless preserve 0 leakage. The sealing components may be changed, and the sealing is dependable to achieve -manner sealing.   butterfly plate may be spraying coating in line with user necessities, which include nylon or ptfe.   the valve may be designed as flange connection and clamping connection.  The using mode can choose guide, electric or pneumatic.Material:Bo
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 On the contrary, the valve is closed when the medium flows back.  Swing check valves have a disc that is tilted and rotates on its axis and work in a similar way to lift check valves.  Check valves are often used as bottom valves in pumping units to prevent the backflow of water.  Check valves are combined with globe valves to provide safety isolation.
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Check valve is a valve that relies on the medium itself to flow and automatically open and close the valve flap, used to prevent the backflow of the medium, also known as check valve, check valve, backflow valve, and back pressure valve.
Advantages:1. easy and quick to start and close, labor-saving, low fluid resistance, can be operated frequently2. Simple structure, small size, short structure length, small volume, light weight3. start and close torque is small, because the butterfly plate on both sides of the shaft is basically equal to the action of the medium, and the direction of the torque generated is opposite, so it is relatively labor-saving4. The material of sealing surface generally adopts rubber, plastic, so the low pressure sealing performance is good.5.
Hard seal butterfly valve is called "hard seal" when both sides of the seal are made of metal or other hard materials. The sealing function of this kind of seal is poor, but it is resistant to high temperature, wear and tear, and has good mechanical function.
In production and life, the emergence of valves is that the utilization rate of their valves and accessories is getting higher and higher, such as check valves, check valves, electric butterfly valves, pneumatic butterfly valves, rubber soft joints, electric ball valves, one-way valves, and wafer butterfly valves. , filter, etc., which have brought great convenience to production and life.
Check valve is a valve installed in the pipeline to prevent the backflow of media. Check valves can be used on many types of pipelines such as over water, oil and gas, etc.
Butterfly valve is a type of valve that uses a spherical butterfly plate as the opening and last component and turns with the valve stem to open, close and alter the fluid channel. the butterfly plate of the butterfly valve is set up in the diameter route of the pipe. in the cylindrical channel of the butterfly valve frame, the disc formed butterfly plate rotates around the axis of the valve stem at an perspective among 0 ° and 0 °. whilst the butterfly plate is at 0 °, the valve is closed, and when the butterfly plate is at ninety °, the valve is absolutely opened.
The Chinese Refrigation Equipment Exhibition is the most special exhibition in Refrigation field.Our Diefei Brand Check valve and Butterfly valve is an important part of this Exhibition.We have the expertise and experience to produce,also have a big After-service team . We get the high apprecition from our customers.
1. Butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, quick switch, 90 reciprocating rotation and small driving torque, etc. It is used to cut off, connect and adjust the medium in the pipeline, and has good fluid control characteristics and closing and sealing performance.2. Butterfly valves can transport mud, and the liquid accumulated at the pipe mouth is the least. Under low pressure, good sealing can be achieved. Good adjustment performance.3.
Test valve refers to the hole and remaining elements of the circular disc and with the aid of its own weight and media stress generated motion to block the media float lower back valve.  automatic valve elegance, additionally referred to as test valve, one-way valve, backflow valve or isolation valve.  disc movement is split into lifting and swing.  elevate test valves are comparable in creation to globe valves besides for the stem that drives the disc.  the medium flows in from the inlet quit (decrease side) and flows out from the hole give up (higher aspect).  valve
The purpose of using check valve is to avoid the backflow of medium, generally in the outlet of the pump should be installed check valve. In addition, the outlet of the compressor should also be installed check valve. In summary, in order to avoid the backflow of the medium, in the equipment, installation or pipeline should be installed check valve in general in the nominal diameter of 50mm of the horizontal pipeline are selected vertical lift check valve. Straight lift check valve in the horizontal pipeline and straight pipeline can be installed.