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1.blow -out proof stem2.investment casting body
3.full port
4.face to face:ansi b 16.10/jis b 2002-din pn16-40
5.iso5211 direct mounting pad
6.fire-safe design avaviable acc:api607
7.design acc"asme b 16.34
8.flange standard:asme 16.5/jis b2220/din 2633
9.inspection&testing acc:api598
Skype:amy.chen518
QQ:1711394790




