NB/T 47023  法兰 RF 850-1.5

3RF 850-1.5

PL 500(B)-10 RF0r RFb1=57.

PL 300(B)-16 RF39705534-950(5�5 RJRF@

WN250-1500 RJRF600

WN 40-150 RF Sch40S

WN100-300 RF S=8mm

BI 710

WN 80-150 RF Sch40S

BL150-10 RF

WN 25(B)-25 RF S=4S0bR5 RJj@5c2@RF@0.m0RJnb R5 RJ2506 RF B=159 b=29919RF84