z61h, z961h, 真空闸阀, 闸阀|
2020-09-16|
Post by: shzs
真空闸阀 DKZ61H
注:PN2.5(25)型阀门允许作为PN1.0(10)、PN1.6(16)压力级选用注:PN2.5(25)型阀门允许作为PN1.0(10)、PN1.6(16)压力级选用