GB/T 9124.1  法兰 DN300-PN250 WN Ⅰ RTJSTh40 huo5

DN300-PN250 WN RTJSTh40 huo5

SOP FF 10K 50AБ─■п÷п╡п╕п═Б─⌠п║п╡п�

PL 40(B)-16 RF RF S

BL150-1500 RF S-RF1000-0

WN 250-150 RF4

DN125-PN2.5 PL RF Ⅱ

WN20-1500 RF Sch40

BL 300-150 Rjhg/t20615600r80l450-6F0rf

wn 500-40 rf s=1