300X slow shut down the check valve

300 x slowly-closing silencing check for high-level, high-rise building design, to address the domestic water supply in high-rise constructions, fire fighting water system for large flow, high sensitivity, small flow resistance, check the sealing effect is good, do not produce water hammer required. The product has the advantages of reasonable design and long service life.

The performance characteristics of

The structure is novel and reasonable, reasonable use hydraulic principle control theory

The job is stable and reliable and the traffic is high

Country disc fast open, no water hammer blow (closing time adjustable)

The backsealing effect is good and the service life is long

Easy installation and maintenance

Installation requirements

◎A strainer must be installed before the silent stop check valve.

◎When installing, pay attention to the direction of the body arrow. In order to maintain the maintenance, keep a certain space around the check valve.

◎The cut-off valve should be installed in the position of the water source when the check valve is guaranteed.