H14W threaded check valveDetailed product description：

The function of H14W check valve is to prevent the backflow of medium in the pipeline. H14W check valve belongs to the automatic valve category, and the opening and closing parts are opened or closed by the force of the flowing medium. H14W check valve is only used on pipelines with one-way flow of medium to prevent medium backflow and prevent accidents. Applicable media include water, oil, steam, acidic media, etc.

Design standard for H14W threaded check valve:

Design and Manufacturing	structural length	Pressure temperature rating	flange connection	Testing and Inspection
GB12236	GB12221	GB9131 JB/T74 HG20604	JB/T74-94 GB9113 HG20592-20635	JB/T9092-1999 GB13927

H14W thread check valve pressure test:

Nominal Pressure PN(MPa)	Test pressure (MPa)		Applicable temperature (℃)				Applicable Medium
	strength test	Sealing Test	WCB	Cr5Mo	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
one point six	two point four	one point eight	≤425	≤550	≤220	≤200	Water, oil products, steam, acidic media
two point five	three point eight	two point eight
four	six	four point four
six point four	nine point six	seven point one
ten	fifteen	eleven			-
sixteen	twenty-four	seventeen point six
twenty-five	thirty-seven point five	twenty-seven point five

Main component materials and performance of H14W threaded check valve:

Part Name	Material Number
Valve body	WCB	ZGCr5Mo	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
Valve Cover	WCB	ZGCr5Mo	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
Valve disc	WCB	ZGCr5Mo	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
Joystick	WCB	ZGCr5Mo	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
Valve seat	twenty-five	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
pin shaft	1Cr17Ni2		1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
Sealing ring, gasket	Wrap pad		1Cr18Ni9Ti	1Cr18Ni12Mo2Ti

Main technical dimensions of H14W threaded check valve:

Nominal Pressure PN(MPa)	nominal diameter DN(mm)	Main external dimensions and connection dimensions (mm)								Weight (kg)
		L	D	D1	D2	b-f	z-d	D3	H
one point six	twenty-five	one hundred and sixty	one hundred and fifteen	eighty-five	sixty-five	16-2	4--14	one hundred and forty	one hundred and thirty	fourteen
	thirty-two	one hundred and eighty	one hundred and thirty-five	one hundred	seventy-eight	16-2	4--18	one hundred and fifty	one hundred and forty	sixteen
	forty	two hundred	one hundred and forty-five	one hundred and ten	eighty-five	16-2	4--18	one hundred and sixty	one hundred and fifty	eighteen
	fifty	two hundred and thirty	one hundred and sixty	one hundred and twenty-five	one hundred	16-2	4--18	one hundred and eighty-five	one hundred and sixty	twenty-two
	sixty-five	two hundred and ninety	one hundred and eighty	one hundred and forty-five	one hundred and twenty	18-3	4--18	two hundred and fifteen	one hundred and seventy-seven	twenty-six
	eighty	three hundred and ten	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	20-3	8-18	two hundred and thirty-five	one hundred and eighty-seven	thirty-three
	one hundred	three thousand five hundred and forty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	20-3	8-18	two hundred and fifty-five	two hundred and two	thirty-nine
	one hundred and twenty-five	four hundred	two hundred and forty-five	two hundred and ten	one hundred and eighty-five	22-3	8-18	two hundred and eighty-five	two hundred and twenty-seven	fifty-seven
	one hundred and fifty	four hundred and eighty	two hundred and eighty	two hundred and forty	two hundred and ten	24--3	8-23	three hundred and thirty	two hundred and sixty-three	eighty
	two hundred	five hundred and fifty	three hundred and thirty-five	two hundred and ninety-five	two hundred and sixty-five	26-3	12-23	three hundred and eighty-five	two hundred and ninety-three	ninety-five
	two hundred and fifty	six hundred and fifty	four hundred and five	three hundred and fifty-five	three hundred and twenty	30-3	12-25	four hundred and fifty-five	three hundred and thirty	one hundred and seventy-five
	three hundred	seven hundred and fifty	four hundred and sixty	four hundred and ten	three hundred and seventy-five	30-4	12-25	five hundred and fifteen	three hundred and eighty-two	two hundred and sixty
	three hundred and fifty	eight hundred and fifty	five hundred and twenty	four hundred and seventy	four hundred and thirty-five	34--3	16-25	five hundred and forty-five	four hundred and thirty	three hundred and sixty
	four hundred	nine hundred and fifty	five hundred and eighty	five hundred and twenty-five	four hundred and eighty-five	36-4	16-30	six hundred	four hundred and eighty	four hundred and ninety-six
	five hundred	one thousand one hundred and fifty	seven hundred and five	six hundred and fifty	six hundred and eight	44--4	20-34	seven hundred and thirty	five hundred and sixty	five hundred and eighty-eight