GB/T 12459  等径三通 DN 50-Ⅱ-3.5TS FF60-0.6

DN50Ⅱ-3.5 TS FF60-0.6

3 FM 500-1.0 δ0=8

A WN52"-300RF S=20

BL500-25 FM

SO 600(B)-16 RF b=4

WN65A-40FM551fm05063160300r40O RF61355--f/@0 RF@ R

BL45-300 RF00 FF0 SFM0H/@BI 111�

PJ/SE 32(B)-16 M S=32mF-sch30062ampampam

WN40-40RJ.5@40 RF Sch1

P