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The 500X pressure relief-sustaining valve is mainly used in fire fighting or other water supply systems to prevent system overpressure or to maintain pressure in fire fighting water supply systems.Fire pump can also reduce the impact of water hammer.Also used in water hammer removal devices for large water supply systems.And the valve control system is equipped with a self-cleaning filter at the entrance, the use of fluid characteristics, so that the specific gravity of the larger diameter of the suspended particles will not enter the control system, to ensure that the system circulation unimpeded, so that the valve can operate safely and reliably.The system has stable operation, high strength and long service life.Suitable for pipe diameter below DN600mm.

Product model: 500X
Nominal diameter: DN20~800mm
Nominal pressure: PN1.0~ 2.5MPa
Applicable temperature: 0~80℃
Suitable medium: water
Main material: cast iron, carbon steel, etc