NB/T 47022  法兰 C-G 1000-0.25/20B)-16RF5sch40s-R R

2 CG 1000-0.2520B)-16RF5sch40s-R R

BL 200-6 RF

WN 2"-150 RF Sch40S

WN65-63 RF SCH40S

WN 4"-300 RF Sch40S

PL450-16FFh80S-0Jt00

SO25(B)-25 RF b=3

DN 200-Ⅱ-4 90ES-Scj100

1 RF 700-1.0 δs=6

BL300-10 RFSch20RF Sch369637S=4A=42F@40@40chRF@FF9F0