ASME B16.5  法兰 WN 22"-900 FF

B WN 22"-900 FF

WN 4"-900 RF sch80

BL25-600RF

WN 65(B)-40 G S=5

PL20(A)-6 RF b=3-4a80B)FFhpame.0023FSCh160

PL250-6RJ؟½ï؟FmnbsPFc7.52@6 RF6pb WN

SO 50(B)-16 RF

SO 50(B)-16 RFSM0Ⅱ0RF2009Ⅱ8

WN50-150RF Sch160

WN80-2500 RJ XXS h= B=58.RF