JY44W Oxygen shut-off valveDetailed product description：

Application Specification for JY44W Oxygen Stop Valve

1. Design and manufacture GB12235-59
2. The structural length shall be in accordance with GB12221-89
3. The flange size shall be in accordance with JB/T79-94
4. Valve inspection and testing shall be conducted in accordance with GB13927

Main component materials of JY44W oxygen shut-off valve

Part Name	Valve body/valve cover	valve disc	valve stem	stem nut	filler	Gasket
Material	CF8	F304	F304	QAL9-4	PTFE	PTFE
	Copper alloy	F304	F304	QAL9-4	PTFE	PTFE

1.6MPa main connection size

Size

DN

fifteen

twenty

twenty-five

thirty-two

forty

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

three hundred

three hundred and fifty

four hundred

L

mm

one hundred and thirty

one hundred and fifty

one hundred and sixty

one hundred and eighty

two hundred

two hundred and thirty

two hundred and ninety

three hundred and ten

three hundred and fifty

four hundred

four hundred and eighty

six hundred

six hundred and fifty

seven hundred and fifty

eight hundred and fifty

nine hundred and fifty

H

mm

two hundred

two hundred and forty-three

two hundred and fifty-three

two hundred and eighty

three hundred and twelve

three hundred and twenty-one

three hundred and twenty-five

three hundred and fifty-five

four hundred and fifteen

four hundred and sixty

five hundred and ten

seven hundred

nine hundred and seventy-five

one thousand one hundred and fifteen

one thousand two hundred and fifty

one thousand three hundred and eighty

W

mm

one hundred and twenty

one hundred and forty

one hundred and sixty

one hundred and sixty

two hundred

two hundred

two hundred and forty

two hundred and forty

two hundred and eighty

three hundred and twenty

three hundred and sixty

five hundred and sixty

six hundred

seven hundred

eight hundred

nine hundred

2.5MPa main connection size

Size

DN

fifteen

twenty

twenty-five

thirty-two

forty

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

three hundred

three hundred and fifty

four hundred

L

mm

one hundred and thirty

one hundred and fifty

one hundred and sixty

one hundred and eighty

two hundred

two hundred and thirty

two hundred and ninety

three hundred and ten

three hundred and fifty

four hundred

four hundred and eighty

six hundred

six hundred and fifty

seven hundred and fifty

eight hundred and fifty

nine hundred and fifty

H

mm

two hundred

two hundred and forty-three

two hundred and fifty-three

two hundred and eighty

three hundred and twelve

three hundred and twenty-one

three hundred and twenty-five

three hundred and fifty-five

four hundred and fifteen

four hundred and sixty

five hundred and ten

seven hundred

nine hundred and seventy-five

one thousand one hundred and fifteen

one thousand two hundred and fifty

one thousand three hundred and eighty

W

mm

one hundred and twenty

one hundred and forty

one hundred and sixty

one hundred and sixty

two hundred

two hundred

two hundred and forty

two hundred and forty

two hundred and eighty

three hundred and twenty

three hundred and sixty

five hundred and sixty

six hundred

seven hundred

eight hundred

nine hundred

4.0MPa main connection size

Size

DN

fifteen

twenty

twenty-five

thirty-two

forty

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

three hundred

three hundred and fifty

four hundred

L

mm

one hundred and thirty

one hundred and fifty

one hundred and sixty

one hundred and eighty

two hundred

two hundred and thirty

two hundred and ninety

three hundred and ten

three hundred and fifty

four hundred

four hundred and eighty

six hundred

six hundred and fifty

seven hundred and fifty

eight hundred and fifty

nine hundred and fifty

H

mm

two hundred

two hundred and forty-three

two hundred and fifty-three

two hundred and eighty

three hundred and twelve

three hundred and twenty-one

three hundred and twenty-five

three hundred and fifty-five

four hundred and fifteen

four hundred and sixty

five hundred and ten

seven hundred

nine hundred and seventy-five

one thousand one hundred and fifteen

one thousand two hundred and fifty

one thousand three hundred and eighty

W

mm

one hundred and twenty

one hundred and forty

one hundred and sixty

one hundred and sixty

two hundred

two hundred

two hundred and forty

two hundred and forty

two hundred and eighty

three hundred and twenty

three hundred and sixty

five hundred and sixty

six hundred

seven hundred

eight hundred

nine hundred