... 16T silent lift check valve , it is applied to water supply pipe and Drainage pipeline.Opening and closing is flexible, it can ... spring loading, it is quickly shut down to minimize water hammer pressure,sealed performance is good,closing is noiseless.Its ... 76MbaStrength test pressure2.4MbaSuitable temperature-20—135°C MediumFresh water ,sea water ,waste water,food stuff,steam,all kinds of oil,all kinds ...