Heavy duty relief valve cover prevents vandalism and protects the valve from damage when the 994HMB is transported to another fire hydrant location.
Heavy duty relief valve cover prevents vandalism and protects the valve from damage when the 994HMB is transported to another fire hydrant location.
重型安全阀阀盖，预防故意破坏行为，当994HMB运输到另一个消防栓位置时保护阀门不受破坏。