Ductile Iron Check Valve
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FAQ
- What is the function of the check valve in the pipeline?
- Check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline.Pump water off the bottom valve check valve also belongs to class. The opening and closing parts depend on the flow of the medium and the power is turned on or off by itself. The valve that prevents the backflow of the medium is called a check valve. Check valve is automatic valve, check valve is mainly used for one-way flow of media channels, allowing only medium to flow in one direction, to prevent accidents.The installation of the check valve shall pay attention to the following1. Do not allow the check valve to bear weight in the line. The large check valve shall be independently supported so as not to be affected by the pressure caused by the piping system. 2, installation, pay attention to medium flow direction should be in accordance with the body of the ticket arrow direction.3, vertical lift check valve should be installed on the vertical pipe.4, lift type horizontal check valve should be installed in the horizontal pipe.
- Is the overcurrent valve a check valve?
- The overflow valve is just a pipe overflow pronounSuch as decompression, flow valve, butterfly valve, flow valve and so onActually, they are all called in the front wordsTherefore, can not be replaced to illustrate
- Use of fire pump adapter even before you install a check valve
- Multifunctional pump combination device usually comes with safety valves and check valves, usually in the flange pipe interface or who is interface settings simple check valve, safety valve is white, but does not apply to the north, the northern cold, need to separate the pipes below plus a check valve, a higher temperature of the South may be suitable for direct use of non frozen.
- Check valve h42h-dn80 what does that mean?
- According to the provisions of the JB/T 308-2004 valve type programming method:H = check valve4 = connection: flange2 = structure form: vertical lifting typeH = sealing surface material: Cr13 stainless steelDN80== nominal diameter: 80mm
- With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install check valve?
- With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install a check valve, or else the water pump may enter the ring network.
- Check valve and check valve
- Check valve, also known as check valve, are to prevent backflow of a medium valve
- Today, I saw the name of the fire check valve on the drawing of a project. Who knows what this is? I haven't met before
- When the range hood is disabled, the valve is automatically reset and closed, and the valve has high strength, easy deformation, good sealing performance, small resistance, large exhaust capacity and good performance of preventing the smoke from flowing backward. Side open fire check valve are made of metal material, after spraying and electroplating processing, beautiful appearance, spring is embedded by the mounting plate and the fastening screws do not need to install the exhaust pipe, the installation is simple and reliable, easy disassembly, easy cleaning, eliminate some problems difficult to check valves in the future maintenance of the inverse.
- What kind of valve does the check valve belong to?
- 1. check valves are automatic valves;2., if the valve is cast iron, can be cast iron valves; if the valve is cast steel, can be cast steel valves; of course, can also beIn copper valves, stainless steel valves,,,,,,,3., if used in steam, can belong to the steam valve
