NB/T 47021  法兰 RF 700-1.0 δs=8S@40�77.5 RJ F4.6-1-4�¢RJ5

1 RF 700-1.0 δs=8S@40�77.5 RJ F4.6-1-4�¢RJ5

WN 32(B)-63 RF S=≥

WN 10"-300 RF Sch40S

SO 100-150 RF

BL 60-100RF

BL50-100MF900 RF Sc

AWN 800-150 RF Sch

WN125(A)-16 RF

BL200-10RF00 RF

SO 300(A)-16 FF00-2.5 SCH18061GB/0-10RFFm接�3FS@4h