time2011/01/27
?? Check valve for the straight-through, the above check valve in the connection of several forms can be divided into threaded connections, flanged and welding of three. Let's us see check valve of the fluid pressure.
? Check valve of the valve flap in the open under fluid pressure, fluid flow from the inlet side of the exit side. Check valve structure is simple, low flow resistance, water hammer pressure is also small.
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