NB/T 47021  法兰 C-RF 650-1.0 δs=1060 R

1 CRF 650-1.0 δs=1060 R

WN 600-150 RF

PL 150(B)-25 RF0a RF-Rmpam01)e.-6sR RF-100 RF Sch40Sm2.90 RJ Sch120400

WN 10"-150 RF

SO200-300RF B=2108D/RFBI100

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PL 32-16 RF