BZ41H BZ40H BZ41Y BZ40Y
BZ40R BZ40T BZ41T
保温闸阀按照标准
- 设计制造按GB12234-89
Design Manafacfure According to GB12234-89
- 结构长度按GB12221-89
Face to Face ACCORDING to GB12221-89
- 法兰尺寸按JB/T79-94
Flange Dimenaion Accoring to JB/779-94
- 阀门检查和试验按GB13927
Valve Check and Test According to GB13927
以上是保温闸阀的详细介绍，包括保温闸阀的厂家、价格、型号、图片、产地、品牌等信息!
