HG/T 20592  法兰 WN 15-6 RF Sc�п▌�Sch400

WN15(A)-6 RF Sc�п▌�Sch400

WN40(B)-160 M S

WN150(B)-25 FM

2 C6-20=12- RFF20RF-16

wn 500(B)-25 RF-165-1.0/pampam00-11.00500

1 FM 600-1.68 h=101=640 RF S=45 R0 fmƒ/έ5 Sch10S10

wn25-25tБ─ ц�Fh1016210-350RF1)/RF9RF/

WN40-150 RF Sch40 H1=

S