HXP2, HXP1 relief manhole and ball Industrial Valves difference is bigger, we can distinguish from the function to go up and ball valve and HXP2, HXP1 relief manhole different role, from ball valve and HXP2 distinguish, HXP1 relief manhole structure. 【 Functional difference between 】 HXP2, HXP1 relief manhole installed in petroleum, chemical industry and so on material safety emergency ventilation device at the top of the tank. Is usually used with breather valve, in order to avoid accidental causes sharp overpressure or vacuum in tank and have the effect of pressure relief or gas suction. Product is to use an all-weather sealed structure, with weight to adjust the suction valve disc and the opening of the pressure cover, emissions with constant pressure, constant pressure suction, the characteristics of opening and closing flexible, safe and reliable. Ball valve and HXP2, HXP1 relief manhole difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball valve axis rotate 90 & deg; Open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. 【 Physical difference between 】 【 HXP2, HXP1 relief manhole ball valve Summary 】 HXP2, HXP1 pressure difference on and use function, manhole and ball valve is very different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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