GB/T 12459  等径三通 DN 80-Ⅱ-Sch40STSÂ�

DN 80-Ⅱ-Sch40S TSÂ�

WN50(B)-16 RF(B)-16 RF50 ff

SO 32(B)-16 RF=5

WN40(A)-25M/)-16ffh80/5=21000M6 δ=70MnIIN25-156 rfJ20(B

AWN1050-150RFh40Rmpa16 RF S=16.5.0Ftg5-B=780F-6.46B)-25RF50rf16R

WN32(A)-25RF00-1.02009 PL50(A)=740m s= R

SO 25-10 M/3.5)f/