Vertical Ball Check Valve

Flange End Ball Check Valve
Flange End Ball Check Valve
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Threaded Type Ball Check Valve
Threaded Type Ball Check Valve
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Ductile Iron Ball check valve
Ductile Iron Ball check valve
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Min Order Qty: -
Supply Capability: -
Ball Type Check Valve Ductile Iron
Ball Type Check Valve Ductile Iron
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Min Order Qty: 10 Pieces pc
Supply Capability: 100000 Pieces Per Year pc/month
DIN Ductile Iron Flange Ball Check Valve
DIN Ductile Iron Flange Ball Check Valve
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Min Order Qty: -
Supply Capability: -
Thread Type Ball Check Valve PN10/16
Thread Type Ball Check Valve PN10/16
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Dual Plate Check Valve
Dual Plate Check Valve
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Min Order Qty: 100 Pieces pc
Supply Capability: 80000 Tons Per Year pc/month
Disc Wafer Check Valve
Disc Wafer Check Valve
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Min Order Qty: -
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Best Price Check Valve
Best Price Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
BFEA Cheap Check Valve
BFEA Cheap Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
wafer type check valve
wafer type check valve
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High Quality Check Valve
High Quality Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
PN1.0/1.6MPa Check Valve
PN1.0/1.6MPa Check Valve
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Min Order Qty: 1 Set set
Supply Capability: 5000 Sets Per Month set/month
Swing Check Valve
Swing Check Valve
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Min Order Qty: 1 Piece pc
Supply Capability: 1000000 Pieces Per Year pc/month
Top Quality Check Valve
Top Quality Check Valve
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Min Order Qty: 500 Pieces pc
Supply Capability: 100000 Pieces per Week pc/month
Single Disc Check Valve
Single Disc Check Valve
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Min Order Qty: 200 Pieces pc
Supply Capability: 500 Tons Per Month pc/month
API Cast Steel Lift Check Valve size 50 mm
API Cast Steel Lift Check Valve size 50 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN 300 mm
Swing Check Valve Wafer Type Double Disc DN 300 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Stainless Steel Wafer Type Check Valve
Stainless Steel Wafer Type Check Valve
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Min Order Qty: -
Supply Capability: -
Wafer Type Dual Plate Check Valve
Wafer Type Dual Plate Check Valve
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Min Order Qty: 1 Set set
Supply Capability: 5000 Sets Per Month set/month
API Cast Steel Lift Check Valve Size 650 mm
API Cast Steel Lift Check Valve Size 650 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Cast iron check valve High Quality China
Cast iron check valve High Quality China
Ref Price: $500.00 - 1,000.00 / unit
Min Order Qty: 100 unit
Supply Capability: 4000 unit/month
Swing Check Valve Wafer Type Double Disc Body Material  CF8M
Swing Check Valve Wafer Type Double Disc Body Material CF8M
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN  50 mm
Swing Check Valve Wafer Type Double Disc DN 50 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc Body Material CF3
Swing Check Valve Wafer Type Double Disc Body Material CF3
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN   500 mm
Swing Check Valve Wafer Type Double Disc DN 500 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN  100 mm
Swing Check Valve Wafer Type Double Disc DN 100 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Wafer Check Valve Universal Standard
Wafer Check Valve Universal Standard
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Min Order Qty: 50 Pieces pc
Supply Capability: 50000 Pieces Per Month pc/month
CHECK VALVE SWING TYPE SINGLE DISC DUCTILE IRON DN50- DN400
CHECK VALVE SWING TYPE SINGLE DISC DUCTILE IRON DN50- DN400
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
API Cast Steel Lift Check Valve Size 300 mm
API Cast Steel Lift Check Valve Size 300 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Ductile Iron Wafer Check Valve For  Water
Ductile Iron Wafer Check Valve For Water
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Min Order Qty: 60 set
Supply Capability: 1000 set/month
Double Flanged Soft Seal Swing Check Valve
Double Flanged Soft Seal Swing Check Valve
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Min Order Qty: -
Supply Capability: -
Swing Check Valve Wafer Type Double PN  10 Mpa
Swing Check Valve Wafer Type Double PN 10 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
GATE VALVE, GLOBE VALVE,CHECK VALVE,BALL VALVE AND FITTINGS OF VALVES
GATE VALVE, GLOBE VALVE,CHECK VALVE,BALL VALVE AND FITTINGS OF VALVES
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Min Order Qty: 100 kg
Supply Capability: 1000000 kg/month
Iron Check Valve DN700 Attractive and Reasonable Price
Iron Check Valve DN700 Attractive and Reasonable Price
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Min Order Qty: 20 set
Supply Capability: 6000 set/month
Swing Check Valve Wafer Type Double Disc DN  600 mm
Swing Check Valve Wafer Type Double Disc DN 600 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month

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FAQ

Type meaning of check valve
Check valve additional number: HH, micro resistance, slow closing check valve, BH Insulation check valve, HQ ball type check valve;The check valve type: H on behalf of check valve;The check valve flange connection: 4, 6, 7 for welding clamp;The check valve: 1 lift, 2 vertical, 4 swing, 6 double disc, 8 butterfly;The check valve seal: B Babbitt, F fluorine plastic, H stainless steel, Monel alloy, cast M direct machining of X rubber, Y hard alloy, W;The check valve pressure: 16 pressure of sixteen kg,s
What is the working principle of the flue check valve?
The flue check valve refers to the automatic opening and closing valve plate, which is used to prevent the backflow of soot through the thermal flow of the range hood. It is also called a flue check valve, a smoke prevention treasure and a flue isolator.s
What is the difference between the silent check valve and the silent check valve?
DRVZ according to the outline of the design of hydraulics has streamlined waterway better, with the design of internal guide fluid to ensure minimal pressure loss, silent check valve in water backflow before quickly shut down to avoid water hammer, water hammer sound and destructive impact to mute.s
What's the difference between the h76x check valve h77x?
Check JB/T308-2004 "valve type programming method"The first number 7 is the clip typeThe 6 is a double valve swing structure7 butterfly check valveLook at the JB/T8937-2010 "clip on check valve"That's clears
How many kinds of check valves should be used?
Medium for water, steam, gas, corrosive media, oil, food, drugs and so on. The medium operating temperature range is between -196~800 degrees centigrade.Swing check valves are installed in an unrestricted position, usually installed on a horizontal pipe, but can also be mounted on a vertical or inclined pipe.Butterfly check valve is suitable for low pressure large diameter, and installation occasions are limited. Because the butterfly valve of the working pressure can not be high, but the public can be large, can reach more than 2000mm. But nominal pressure is below 6.4Mpa. Butterfly check valve can be made into pairs, generally installed in the pipeline between the two flanges, using the form of clamp connection.Butterfly check valves are installed in an unlimited position and can be mounted on horizontal or vertical or sloping lines.Diaphragm type check valves are suitable for pipes that are prone to water hammer. The diaphragm can eliminate the water hammer produced by the medium counter flow. As the diaphragm type check valve operating temperature and practical pressure by the diaphragm material restrictions, generally used in low-pressure, temperature pipe, especially for the water pipeline. General medium temperature between -20~120 degrees, the work pressure of less than 1.6Mpa, but diaphragm type check valve can do larger caliber, DN maximum can be more than 2000mm.s
What are the specifications of the DN200 check valve?
DN200 is a specification.The principle of the check valve, the check valve, the opening and closing parts, depend on the flow of the medium and the power to open or close on its own, so as to prevent the backflow of the medium, called the check valve. Check valves belong to the automatic valve, mainly used for one-way flow of media channels, allowing only medium to flow in one direction, to prevent accidents. The check valve is divided into three kinds: lift check valve, swing check valve and butterfly check valve. The lift check valve can be divided into two types: vertical and horizontal. Swing check valve is divided into single, double valve and multi flap type of three. Butterfly check valve for straight through, more than a few kinds of check valve, in the form of connection can be divided into thread connection, flange connection and welding three. A check valve is a valve that automatically prevents the flow of fluid. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the inlet side pressure is lower than the exit side, the valve automatically closes under the influence of fluid pressure, gravity and other factors to prevent fluid flow backwards.s
How to control the common flue return and smoke return?
Regular developers submitted, the flue port has installed a check valve for the owners,It is usually closed, and only when the smoke exhauster exhaust smoke will make the check valve open.In addition to the function of the check valve to prevent flue gas recirculation, each hood has a check valve. If you look carefully, you will see that there is a two piece fan at the exit of the smoke machine, which can only be opened in one direction. Its function is the same as the check valve in the flue.Therefore, in fact, there are two soot hoods to prevent smoke from building. Even the first one is broken, and the second are equally effective.Therefore, you can find the reason, whether the check valve two are all broken.s
How to prevent the backflow valve of medium
Among them, the check valve belongs to this type of valve, which includes swing check valve and lift check valve. The swing check valve has a hinge mechanism and a gate like valve free against the inclined seat surface. In order to ensure that the valve can reach the appropriate position of the seat surface at any time, the disc is designed in the hinge mechanism so that the disc has enough swing space to make the disc real and comprehensive contact with the valve seat. The disc can be made of either metal or leather, rubber, or synthetic coverage, depending on performance requirements. The swing check valve is almost completely open and the fluid pressure is almost unimpeded, so the pressure drop through the valve is relatively small. The check valve of the lift check valve is located on the valve seat sealing surface of the valve body. In addition to this valve disc is free to lift, like the rest of the cut-off valve, the fluid pressure valve from the valve seat sealing surface lift, medium return led down to the valve seat, and cut off the flow. Depending on the service conditions, the disc can be of all metal construction or in the form of a rubber pad or rubber ring on the valve frame. The same as the cut-off valve, lift check valve fluid through the channel is narrow, so the check valve by lifting the pressure drop than the swing check valve a little bigger, and swing check valve flow restrictions very little.s

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