... ,DIN1250,JIS 10K 4)Competitive price Name-FLANGE TYPE SILENCING CHECK VALVE/ Noise elimination Check valve(To prevent water reverse flow)Our factory ... production Model for H41-16T silencing check valve ,Apply to water supply pipe and Drainage pipeline.Disc the ... —135°C MediumFresh water ,sea water ,waste water,food stuff,steam,all kinds of oil,all kinds lf acid and alkaline ...