H71W, H71H clamp lift check valveDetailed product description：

H71W and H71H check valves are composed of valve bodies, valve discs, springs, etc. They are installed horizontally or vertically in the pipeline system to prevent medium backflow. They have a short structure, small volume, and light weight; The valve disc closes quickly and the water hammer pressure is low; H71W and H71H check valves have smooth flow channels and low fluid resistance; Quick action and good sealing performance.

Main technical parameters of H71W and H71H clamp lift check valves:

Model	Nominal Pressure	Test pressure		Operating Temperature	Applicable temperature
		housing	seal
H71H-16Q	one point six	two point four	one point seven six	≤235℃	Water, steam, oil, etc
H71H-25Q	two point five	three point seven five	two point seven five	≤235℃
H71W-25H				≤300℃
H71W-25P				≤200℃	Corrosive media such as nitric acid
H71W-40H	four	six	four point four	≤300℃
H71W-40P				≤200℃	Water and steam

Main component materials of H71W and H71H clamp lift check valves:

Model	Valve	valve disc	spring
H71H-16Q H71H-25Q	QT400-15	twenty-five	50CrVA
H71W-25H H71W-40H	2Cr13	1Cr13	1Cr18Ni9
H71W-25P H71W-40P	ZG1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti

Main external dimensions of H71W and H71H clamp lift check valves:

Nominal Diameter	L	D			Nominal Diameter	L	D
		one point six	two point five	four			one point six	two point five	four
fifteen	twenty-five	forty-eight	forty-eight	forty-eight	eighty	seventy-one	one hundred and forty	one hundred and forty	one hundred and forty
twenty	thirty-one point five	fifty-eight	fifty-eight	fifty-eight	one hundred	eighty	one hundred and sixty	one hundred and sixty-five	one hundred and sixty-five
twenty-five	thirty-five point five	sixty-eight	sixty-eight	sixty-eight	one hundred and twenty-five	one hundred and ten	one hundred and ninety	one hundred and ninety-five	one hundred and ninety-five
thirty-two	forty	eighty	eighty	eight hundred and seventy	one hundred and fifty	one hundred and twenty-five	two hundred and fifteen	two hundred and twenty-five	two hundred and twenty-five
forty	forty-five	ninety	ninety	ninety	two hundred	one hundred and sixty	two hundred and seventy	two hundred and eighty-five	three hundred and ninety
fifty	fifty-six	one hundred and five	one hundred and five	one hundred and five	two hundred and fifty	two hundred	three hundred and thirty	three hundred and forty	three hundred and fifty
sixty-five	sixty-three	one hundred and twenty-five	one hundred and twenty-five	one hundred and twenty-five	three hundred	two hundred and fifty	three hundred and eighty-five	four hundred	four hundred and fifteen