装于油缺罐顶部与呼吸阀配合使用，在呼吸阀一旦失灵时起安全作用。 The hydraulic safety valve is installed on the top of the oil shortage tank and cooperates with the breathing valve to play a safety role if the breathing valve fails. 是固定在储罐顶上通风装置，保证罐内压力正常状态，防止罐内超压或真空使储罐遭受损坏，也减少罐内液体挥发损失。 The breathing valve is a ventilation device fixed on the top of the storage tank to ensure the normal pressure in the tank, prevent damage to the storage tank due to overpressure or vacuum in the tank, and reduce the volatilization loss of the liquid in the tank.
Second, the main purpose of GYA hydraulic safety valve
Control pressure: + 200mm water column, -45mm water column
Please specify the product name, model and specifications when ordering.
Third, the main shape of GYA hydraulic safety valve and flange connection dimensions