Double 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
Double Disc Butterfly Type Check Valve
Double Disc Butterfly Type Check Valve
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Supply Capability: -
Wafer Type Double Door Butterfly Check Valve
Wafer Type Double Door Butterfly Check Valve
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Min Order Qty: 50 Pieces pc
Supply Capability: 50000 Pieces Per Month pc/month
Double Flanged Soft Seal Swing Check Valve
Double Flanged Soft Seal Swing Check Valve
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Double Flanged Metal Seal Swing Check Valve
Double Flanged Metal Seal Swing Check Valve
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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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Supply Capability: -
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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Min Order Qty: -
Supply Capability: -
High Quality Check Valve
High Quality Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
CHECK VALVE LIFT RUBBER FLAPPER DIN DUCTILE IRON DN40- DN300
CHECK VALVE LIFT RUBBER FLAPPER DIN DUCTILE IRON DN40- DN300
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
air vertica sewage flap compressors ball diesel air compressor brass wafer spring swing check valve
Swing Check Valve Wafer Type Double Disc DN 650 mm
Swing Check Valve Wafer Type Double Disc DN 650 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE BALL THREADED/ FLANGED DUCTILE IRON DN32- DN300
CHECK VALVE BALL THREADED/ FLANGED DUCTILE IRON DN32- DN300
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 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
Wafer Type Check Valve DN40-DN600 High Quality
Wafer Type Check Valve DN40-DN600 High Quality
Ref Price: $500.00 - 1,000.00 / unit
Min Order Qty: 1 unit
Supply Capability: 10000 unit/month
CHECK VALVE LIFT TYPE DUCTILE IRON DIN DN15- DN300
CHECK VALVE LIFT TYPE DUCTILE IRON DIN DN15- DN300
Ref Price: $10.00 - 2,000.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 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
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
Swing Check Valve Wafer Type Double Disc DN  450 mm
Swing Check Valve Wafer Type Double Disc DN 450 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
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
Wafer Type Check Valve
Wafer Type Check Valve
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Min Order Qty: 10 Pieces pc
Supply Capability: 40 Tons Per Month pc/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
CHECK VALVE WAFER TYPE DUAL PLATE DUCTILE IRON DN40- DN800
CHECK VALVE WAFER TYPE DUAL PLATE DUCTILE IRON DN40- DN800
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Wafer Dual Plate Check Valve
Wafer Dual Plate Check Valve
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Min Order Qty: 50 Pieces pc
Supply Capability: 5000 Pieces Per Month 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
Stainless Steel Ball Check Valve in low price
Stainless Steel Ball Check Valve in low price
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Min Order Qty: 50 pc
Supply Capability: 5000 pc/month
Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa
Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN 400 mm
Swing Check Valve Wafer Type Double Disc DN 400 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month

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FAQ

Installation of stainless steel tank outlet must be equipped with check valve?
Outlet?If the delivery is not waterIf the pump is pumped up, it should be loadeds
How can the fast closing noise check valve prevent water hammer?
Biaoguan valve that once the pump stopped, check valve spool in the spring or other auxiliary device for double end under the action of force balance in advance to the closed position, can greatly reduce the amount of water and initial water reflux falling height, water hammer force is calculated by gravity superposition, to reduce the amount of water is equal to the reduced gravity, but fell short height reduces the inertia time is relatively reduced speed, and can prevent the formation of destructive or reduce water hammer water hammer.s
The working principle of the vacuum check valve
Check valve inlet pressure when using open valve, inlet pressure is less than the pressure loss or outlet pressure when the outlet fluid backflow, the valve plate is closed, vacuum check valve principle is the sames
Check valve selection
(1) for high and low pressure check valves under DN50mm, vertical lift check valves and straight through lift check valves shall be used.(2) for low pressure check valves under DN50mm, butterfly check valves, vertical lift check valves and diaphragm check valves shall be used.(3) for DN larger than 50mm, less than 600mm high and medium pressure check valve, it is better to use the swing check valve.(4) for DN is larger than 200mm, less than 1200mm of medium and low pressure check valve, should choose no wear ball check valve(5) for DN larger than 50mm, less than 2000mm low pressure check valve, butterfly butterfly valve and diaphragm check valve should be selected.(6) for the requirements of closing perfume, impact is relatively small or no water impact on the pipeline, you should choose the slow closed swing check valve, butterfly butterfly valve.(7) for the import pipeline pump, should use the bottom valve.s
Check valve h44h-25p what does that mean?
H- stainless steel4- flange connection4- rotary single structure check valveH sealing material is Cr13 stainless steel25- pressure 2.50MPAP-18-8 stainless steelH44h-25p= stainless steel flange connection, swing type single check valve pressure 2.50MPA valve body, material 18-8 stainless steels
How do I install the pump outlet check valve?
Installation of pump outlet check valves: swing check valves are generally mounted on horizontal pipes: for DN~80mm check valves, they can also be mounted on vertical or upward sloping pipes. The straight through lift check valve shall be installed on the horizontal pipe; the vertical lift check valve must be installed on the vertical pipe, and the medium shall be from bottom to top.s
Can the flue check valve and kitchen check valve protect against odor?
Not really. It depends on what valve it is. If it is a variable pressure air valve, of course, if it is an ordinary other valves, generally only temporary role. Five residential home kitchen platoon smoke system is the application of this variable pressure air valve.s
What does the check valve "H41F" mean?
A check valve is a device for carrying a check valve on a pipe, or a gas will not returns

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