HG/T 20592  法兰 WN 700(B)-16 RF S=60-2.5¡ WN600(A)-16RF S=1

WN700(B)-16 RF S=60-2.5¡ WN600(A)-16RF S=1

pl100(a)-10rff1=3c=1

wn250-63mr

B WN750-300 RF t=δ=43 FFM00-

5 CFM 2050-1.020δ0=12L80RJ(B00-10-20S

SO100(B)-16 RF B)-16RF-25RFR�

WN 200-300 RFfined=76.6/80(b)-

20615 wn25(b)-16 rf h1=15(B)-16 RF1