HG/T 20592  法兰 WN 32-25 RFwn100-150

20592 wn32-25rfwn100-150

So 40-150 RF40Fch40RF.6s RF=52 C

PL150(B)-25 RF-1.0RFpampampa40.pampFF

JWN 25×32(B)-16 RF

WN40(a)-150RFS=3J80F0rfF910 r51J A=160.6/c1&ampampampF0 FF

so 150-150 RF0-15

BL15-10RFп©Б d PL25(B)-10

BL100-300 TG/

SO 4"-