VENT GUARD? Is a protective enclosure designed exclusively for the air release valve found in many public water supply systems.
通风口的保护外壳设计，专用于许多公用水供应系统中的空气释放阀。
2
Slide one half of the splash guard into the groove on the relief valve body.
将防溅保护的一半滑动到安全阀阀体的沟槽上。
3
The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.