HG/T 20592  法兰盖 BL 250-10 RF5B0FM 80

BL250-10rf5B0FM 80

1 RF 800-1.0 δs=5

WN 24-150 RF(B)..6RF.505@n300-5hfMFampAAtmp

SO150-150RF00-1.0

BL 300-10 RF

PL150(B)-16 RF b=2

1 RF 800-0.6 δs=5

BL 300-1500 M

WN 50(B)-16 RF S=8

WN 1 1/2"-300 LG Sch40S0×1�� soh40Sf01Bh6Fch4h7.85amh0100-1-