JHL41X Three in one check valveDetailed product description：

JHL41X Three in One Check Valve:

summary:

1. With one valve, three functions can be successfully completed: water hammer check valve, gate valve, and balance valve.
2. When the pump stops running, the spring force closes the valve disc first, thus preventing water hammer.
3. By adjusting the opening, the output of the pump can be adjusted.
4. Equipped with an indicator, the opening degree of the valve can be confirmed with the eyes.
5. The sealing gasket is made of nitrile rubber, so it will not leak at all and can absorb impact.
6. The spring is made of stainless steel and therefore has strong corrosion resistance.
7. Equipment materials and costs that can save water and reduce installation space.
8. Due to its streamlined shape and structure, the pressure drop is very small.
9. Due to its role as a bypass, it has the function of recovering water from the outlet side pipeline and supplementing water intake when a vacuum occurs on the inlet side.
10. Both horizontal and vertical pipelines can be installed.

Structure and working principle:
The three in one check valve is installed on the pump outlet of the water supply and drainage, cold and warm water treatment, boiler condensate, and secondary water supply pipelines in general buildings, apartments, and factories to prevent medium backflow in the pipeline caused by pump shutdown.

Dimensions of JHL41X Three in One Check Valve:

Nominal Diameter DN	Installation method	Valve length L(mm)	flange diameter (mm)	Open height H(mm)	Center distance of bolt holes (mm)	Number of bolt holes * diameter	weight kg
fifty	flange connection	two hundred and thirty	one hundred and sixty	two hundred and ten	one hundred and twenty-five	4*18	sixteen
sixty-five		two hundred and ninety	one hundred and eighty	two hundred and fifty	one hundred and forty-five	4*18	twenty-four
eighty		three hundred and ten	one hundred and ninety-five	two hundred and ninety	one hundred and sixty	8*18	thirty-five
one hundred		three hundred and fifty	two hundred and fifteen	three hundred and twenty	one hundred and eighty	8*18	fifty
one hundred and twenty-five		four hundred	two hundred and forty-five	three hundred and eighty	two hundred and ten	8*18	seventy-two
one hundred and fifty		four hundred and eighty	two hundred and eighty	four hundred and twenty	two hundred and forty	8*23	ninety-eight
two hundred		five hundred and fifty	three hundred and thirty-five	five hundred	one hundred and ninety-five	12*23	one hundred and fifty
two hundred and fifty		six hundred and twenty	four hundred and five	six hundred and eighty	three hundred and fifty-five	12*25	two hundred and thirty
three hundred		seven hundred	four hundred and sixty	seven hundred and thirty	four hundred and ten	12*25	three hundred and ninety
three hundred and fifty		seven hundred and eighty-seven	five hundred and twenty	eight hundred and thirty	four hundred and seventy	16*25	five hundred