GB Teflon-Lububg Ball Valve

Stamdard:

Design:GB 12237

Face to face:ANSI B16.10(NPS≥2）DIN 3202/S7 S12

Flange dimension:JB 1686(DN32-150)(企业标准）Q/DFL02-99 DF STD

Test:JB78/JB79

Supply:GB/T 12252