500X diaphragm type relief valve is mainly applicable to fire fighting or other water supply system to prevent of the system overpressure or keep fire fighting water supply system pressure. After the fire pump closing, 500X diaphragm type relief valve can also reduce the water hammer attack. 500X diaphragm type relief valve can be also applicable to large water supply system as water hammer eliminator. And even more, there is one self cleaning filtering net which uses the fluids self characteristics to prevent the suspended particulate with bigger specific gravity and diameter from flowed into the control system, so that it can make sure the systemic circulation proceed without hindrance, the valve operate safely and reliably.
500X diaphragm type relief valve has smooth and reliable operating performance, high strength and long service life.