环式设计 法兰安装 PN 6/10/16 and ANSI A级防漏 EN 12266-1 Ring design To be mounted between flanges PN 6/10/16 and ANSI Leak-proof acc. EN 12266-1, Leakage class A Changeable collar
ARIS截止阀BARI / ARIS Shut-off Valve BARI
