... filter / pipe system fittings Pipe filter /pipe fitting (Type -Y) T-type filterApplicationWater, oil, gas,nitric acid;acetic acid -80°C ... °CWay of connectionFlange, welded, thread connectedStandard of producing and inspctionHG/T 21637-1991Flange standardGB, SH, HGJ, JB, ANSI, DIN, JISWorking pressure0 ...