HG/T 20592  法兰 TH 300-63 RF

TH 300(A)-63 RF

SO 5"-400 SFM cfm500-1.0 LG0FB=340@S5rf 1JsRF@F00��S@RF@443RF@AFF

PL 32(B)-10 RF Sch

PJ/RJ 150(B)-16 RFf70sSc14f2ceqJFRJsRF@RF.1@RF@44L RJ Sch160@PLrf@4

TH 80(B)-160 RF

PL 50(B)-16 RF@P&@F SRF9SO150(B)-1

TH 350(B)-160 RF

WN1