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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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
Swing Check Valve
Swing Check Valve
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Min Order Qty: 1 Piece pc
Supply Capability: 1000000 Pieces Per Year 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
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
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
Wafer Check Valve For Water
Wafer Check Valve For Water
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Min Order Qty: 1 pc
Supply Capability: 10000 PIECE/YEAR 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 PN 2.5 Mpa
Swing Check Valve Wafer Type Double PN 2.5 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE API FORGING WCB/CF8/CF8M  DN50-DN300
CHECK VALVE API FORGING WCB/CF8/CF8M DN50-DN300
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Ductile Iron Check Valve DN200 High Quality and Reasonable Price
Ductile Iron Check Valve DN200 High Quality and Reasonable Price
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Min Order Qty: 150 set
Supply Capability: 4500 set/month
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
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
Ductile Iron Dual Plate Wafer Check Valve
Ductile Iron Dual Plate Wafer Check Valve
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Min Order Qty: -
Supply Capability: -
air vertica sewage flap compressors ball diesel air compressor brass wafer spring swing check valve
Iron Check Valve DN400 High Quality China
Iron Check Valve DN400 High Quality China
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Min Order Qty: 20 set
Supply Capability: 6200 set/month
Swing Check Valve Wafer Type Double PN 1 Mpa
Swing Check Valve Wafer Type Double PN 1 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
API Cast Steel Lift Check Valve 1500 Class
API Cast Steel Lift Check Valve 1500 Class
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600
CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 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
Ductile Iron Check Valve DN1400 Quality Guarantee China
Ductile Iron Check Valve DN1400 Quality Guarantee China
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Min Order Qty: 200 set
Supply Capability: 4000 set/month
Swing Check Valve Wafer Type Double Disc DN 150 mm
Swing Check Valve Wafer Type Double Disc DN 150 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Double Disc Butterfly Type Check Valve
Double Disc Butterfly Type Check Valve
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Min Order Qty: -
Supply Capability: -
Ductile Iron Ball Check Valve For Drinking Water
Ductile Iron Ball Check Valve For Drinking Water
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Min Order Qty: 5 set
Supply Capability: 1000 set/month
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
API Cast Steel Lift Check Valve A351-CF8 Body Material
API Cast Steel Lift Check Valve A351-CF8 Body Material
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month

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FAQ

Furnace blower outlet check valve what
Must install check valve to prevent downtime fan reversals
How does the check valve work?
Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent the media back flow valve, also known as check valve, Dan Xiangfa, counter flow valve and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).The function of this type of valve is to allow the medium to flow in one direction and to prevent flow in the opposite direction. Usually the valve is automatically work, fluid pressure flow in one direction, the valve open; the opposite direction of fluid flow by gravity, fluid pressure and valve closing effect on the valve seat, thereby cutting off flow.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.s
What kind of check valve is used in the sewage pump of sewage treatment plant?
2. installation of pump outlet check valve*Swing check valves are generally mounted on horizontal pipes: for bore DN~80mm check valves, they can also be mounted on vertical or upward sloping pipes.*Straight through lift check valves shall be installed on horizontal pipes; vertical lift check valves must be mounted on vertical pipes and medium upward flow.*As the check valve is easy to damage, therefore, should be installed near the pump outlet valve, in the upper part of the check valve with a cut-off valve (general use of ball valve or gate valve), easy to overhaul.*To facilitate the relief of the check valve before disassembly, the relief valve shall be installed between the check valve and the shut-off valve.s
What does the number 16 on the check valve mean?
This is the pressure level of the valve, which represents 16Kg, which is used for piping pressure less than this pressure.s
How can the check valve be distinguished from the cut-off valve?
Turn on and off. Is the cut-off valve, can not turn off, open, automatic, in the middle of a plate will move, that is, check valves
40 how large check valves are installed in the water pipes?
Crown valve press40 of the pipe outer diameter of 48 DN40 check valve on its
What is the function of the check valve?
1. Check valve function: prevent backflow of medium, prevent pump and drive motor reverse, and discharge of container medium.2, check valve refers to rely on the flow of the media itself and automatically open and close the valve, used to prevent the media back of the valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve.3, check valve according to the structure of the division, can be divided into lift check valve, swing check valve and butterfly check valve three:Lift check valve is divided into two types of vertical and horizontal.Swing check valve is divided into single, double valve and multi flap type of three.Butterfly check valve is straight through type.The above types of check valves can be classified into thread connection, flange connection, welding connection and clamp connection in connection forms of four kinds.4, check valve (Check, Valve) installation should pay attention to the following mattersA do not allow the check valve to bear weight in the line, and the large check valve shall be independently supported so as not to be affected by the pressure generated by the piping system.B, when installing, pay attention to the direction of the flow of medium should be in accordance with the direction of the body marked arrow.C and vertical vertical check valves shall be installed on the vertical pipe.D and lift type horizontal check valves shall be installed on horizontal pipes.s
Why can't the check valve on the air pipe be used when the wind speed is less than 8 meters?
First of all, you must understand the working principle of the check valve, indeed, as you said, you can adjust the position of the hammer by adjusting the position of the drop hammer.If you are in their own design and production, consider the thickness of the blade, drop hammer size, weight, and other parameters considered.Hope to be of help to you!s

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