500X Pressure relief/holding valveDetailed product description：

The 500X pressure relief/holding valve is mainly used in fire or other water supply systems to prevent system overpressure or maintain the pressure of the fire water supply system. After the fire pump is turned off, the impact of water hammer can be reduced. Also used for water hammer devices in large-scale water supply systems. And a clean filter screen is installed at the inlet of the valve control system, which utilizes fluid characteristics to prevent suspended particles with high density and diameter from entering the control system, ensuring smooth system circulation and safe and reliable operation of the valve. The 500X pressure relief/holding valve system operates smoothly, has high strength, and has a long service life.

Main connection dimensions of 500X pressure relief/holding valve:

Nominal diameter (mm)	Size (mm)
	L	H	H1
twenty	one hundred and fifty	five hundred and fifty-seven	four hundred and sixty-three
twenty-five	one hundred and sixty	five hundred and fifty-seven	four hundred and sixty-three
thirty-two	one hundred and eighty	five hundred and fifty-seven	four hundred and sixty-three
forty	two hundred	six hundred and ten	five hundred and sixteen
fifty	two hundred and three	six hundred and ten	five hundred and sixteen
sixty-five	two hundred and sixteen	six hundred and twenty-five	five hundred and twenty
eighty	two hundred and forty-one	six hundred and forty-two	five hundred and thirty-seven
one hundred	two hundred and ninety-two	seven hundred and fifty	five hundred and ninety-six
one hundred and twenty-five	three hundred and thirty	eight hundred and eight	six hundred and fifty-three
one hundred and fifty	three hundred and fifty-six	eight hundred and sixty-four	seven hundred and nine
two hundred	four hundred and ninety-five	one thousand one hundred and thirty-five	eight hundred and five
two hundred and fifty	six hundred and twenty-two	one thousand one hundred and eighty-five	eight hundred and fifty-five
three hundred	six hundred and ninety-eight	one thousand three hundred and twenty-five	nine hundred and fifty-three
three hundred and fifty	seven hundred and eighty-seven	one thousand three hundred and eighty-five	nine hundred and ninety
four hundred	nine hundred and fourteen	one thousand four hundred and forty-five	one thousand and thirty
four hundred and fifty	nine hundred and seventy-eight	one thousand four hundred and forty-five	one thousand and thirty
five hundred	nine hundred and seventy-eight	-	-
six hundred	one thousand two hundred and thirty	-	-