GB/T 12459  弯头 DN 50-Ⅱ-490ES1205(0 rf sch40Sc=1

DN 50-Ⅱ-4 90ES1205(0 rf sch40Sc=1

so150b-10RF6�data Sch40 RFeRB1=281 C=26 LSchSCH8

WN100(A)-16 RF S=11,S=1

PL150-16RF/F S=18-1.6t0-150

47022RF1800-1.0

WN100-1500 RJ S=8.9-25 rf s=1 R

SO 200(B)-40 RF

LWN 2"-300 RF B=50.8

WN32-150 RF4╔ц

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