JIS B2220  法兰 BL FF 5K 40A FRF0RRF0(B)-25 RF S=6S=6=55

BL FF 5K 40AFRF0RRF0(B)-25 RF S=6S=6=55

PL65(B)-16 RF C=19 f1=2.7 b=5

WN 25(B)-25RF S=55

BL150-300G0 H=65 NA=600RFn5BL

wn100-900rfs01

wn20(b)-63 rf s=4WN125-150 RF5 45

WN 40-300 RF Sch40SF

wn150a-25rfS=3.50N8Ggcad RF3

WN400-150RFS=500-0.60sche0@SO10h