HG/T 20615  法兰盖 BL 450-600 RF RF10 r- 80 90EL00RRF@F0 ذ�ฒฺพ&@409@33-190�Sch40S0 L

BL 450-600 RF RF10 r- 80 90EL00RRF@F0 ذ�ฒฺพ&@409@33-190�Sch40S0 L

BL 100-16 RF

WN 10"-150 FF Sch40S

SO 1/2"-150 RF

LF/SE 15-300 RF

PL50(B)-16 RFf0)-16Mdmi

BL 1"-300 RF

WN 20"-900 RJ Sch100

LF/SE 500-300 RF

wn40-16rfRh-S