Cast Iron Pipe Flange

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FAQ

Symbols for all types of valves
Look at the attachment I gave you. The legend of the valves is complete!
I would like to ask commonly used water valve what kind of? What are the characteristics?
The valve is usually composed of two parts: the actuating mechanism and the valve bodyAccording to the power used by the executing agency, the valve can be divided into four kinds: manual, pneumatic, electric and hydraulic. According to its function and characteristics, it can be divided into on-off valve, regulating valve, electromagnetic valve, electronic type, intelligent type, etc.According to the type of the body: through single seat, through two seater, angular, diaphragm, three links, eccentric rotation, butterfly, sleeve type, spherical and other 10 kinds of; according to the valve body material: cast iron, cast steel, forged steel, carbon steel, stainless steel, copper, plastic valves.
What's the name of the valve?
This is the discharge valve, the lower part of the handle protruding part of the valve is the sealing device. The overall material should be brass, which is typically made by equipment manufacturers.
What does "TD671F" mean?
You should type is wrong, or I should be D671F, with very limited knowledge and scanty information, this type of mean (D) pneumatic butterfly valve (6) of the clip (7) sealed the middle (1) fluorine plastic (F). There should also be a number of pressure figures and body material. For example, D671F-10C later means that the pressure is 10 kilograms (or 1.0MPa) and C represents the carbon steel
What is the difference between the valve before the pump and the valve after the pump?
Before the pump few valves, up to a foot valve, pump valves, convenient maintenance, then the most important is that the action of check valve backflow, water hammer....
someone else's home has valves, but also checked nothing, in addition to telephone repair, there are other ways? emergency
You should live in a high-rise, if there is no power failure, that is, the water tank pump failure, and urge property repair is.I hope I can help you
What valve is the DN 25?
That is, the inner diameter of the valve is 25 millimeters
What does valve J41H-16C mean?
J- stop valve4- flange type connection1- structure typeH- alloy steel seal16- nominal pressure 16 kgC- body carbon steel