Q661F/Y/N three piece welded ball valveDetailed product description：

Q661F/Y/N three piece welded ball valve main dimensions:

Model	Nominal Diameter	Dimensions (mm)
		L	L1	D	D1	H	L0
Q61F N-160 Q661F N-160	ten	one hundred and fifty	sixty	ninety	eighteen	sixty-eight	two hundred and twenty
	fifteen	one hundred and seventy	seventy	one hundred	twenty-three	sixty-two	two hundred and twenty
	twenty	one hundred and ninety-one	eighty-one	one hundred and ten	twenty-nine	seventy-five	two hundred and fifty
	twenty-five	two hundred and five	nine hundred and eighty-five	one hundred and fifteen	thirty-six	eighty	two hundred and fifty
	thirty-two	two hundred and thirty	one hundred and ten	one hundred and fifty	forty-three	ninety-six	three hundred
	forty	two hundred and sixty	one hundred and twenty	one hundred and seventy	forty-nine	one hundred and eleven	four hundred
	fifty	three hundred and thirty	one hundred and forty	two hundred	sixty-one	one hundred and twenty-eight	four hundred
	sixty-five	three hundred and sixty	one hundred and fifty	two hundred and twenty	eighty	one hundred and eighty	five hundred
	eighty	three hundred and eighty	one hundred and sixty	two hundred and seventy	one hundred and five	two hundred	six hundred
	one hundred	four hundred and thirty	one hundred and eighty-eight	three hundred and twenty	one hundred and eighteen	two hundred and forty-five	eight hundred

Model	Nominal Diameter	Dimensions (mm)						pneumatic device
		L	L1	D	D1	H	L0
Q661F N-160 Q661F N-320	ten	one hundred and fifty	sixty	ninety	eighteen	two hundred and eleven	two hundred and fifty-five	QD60
	fifteen	one hundred and seventy	seventy	one hundred	twenty-three	two hundred and ninety-three	three hundred and forty-eight	QD100
	twenty	one hundred and ninety-one	eighty-one	one hundred and ten	twenty-nine	two hundred and ninety-seven	three hundred and forty-eight	QD100
	twenty-five	two hundred and five	ninety-five	one hundred and fifteen	thirty-six	three hundred and three	three hundred and forty-eight	QD100
	thirty-two	two hundred and thirty	one hundred and ten	one hundred and fifty	forty-three	four hundred and fifty-six	five hundred and twenty	QD150
	forty	two hundred and sixty	one hundred and twenty	one hundred and seventy	forty-nine	four hundred and sixty-three	five hundred and twenty	QD150
	fifty	three hundred and thirty	one hundred and forty	two hundred	sixty-one	four hundred and seventy-eight	five hundred and twenty	QD150
	sixty-five	three hundred and sixty	one hundred and fifty	two hundred and twenty-five	eighty	one hundred and eighty	five hundred	-
	eighty	three hundred and eighty	one hundred and sixty	two hundred and seventy	one hundred and five	two hundred	six hundred	-
	one hundred	four hundred and thirty	one hundred and eighty-eight	three hundred and twenty	one hundred and eighteen	two hundred and forty-five	eight hundred	-

Q661F/Y/N Pneumatic High Pressure Ball Valve Main Component Materials:

Applicable Medium	Model	valve body	Sphere, valve stem	Gamepad	Seal ring	Gaskets and fillers
Water, steam, oil products	Q61N-16/320C Q661N-160/320C	A105、45	1Cr18/1Cr18Ni9Ti	Cast iron WCB	PTFE reinforced PTFE VUILUK PTFE PPL based on para polymer	Polytetrafluoroethylene (PTFE) para polystyrene (PPL)
Nitric acid	Q61N-16/320P Q661N-160/320P	304/1Cr18Ni9Ti	304/1Cr18Ni9Ti
Acetic acid	Q61N-16/320R Q661N-160/320R	316/1Cr18Ni12Mo2TI	316/Cr18Ni12Mo2Ti

Main dimensions of national standard:

Nominal diameter DN (mm)	Q11N-100/160、Q11N-100/160P						Q11N-320、Q11N-320P
	pipe thread	Dimensions (mm)					pipe thread	Dimensions (mm)
		d	L	H	W	E		H	W	SW	L
five	1/4	eleven	seventy	forty-three	one hundred and eight	forty-two point five	-	-	-	-	seventy
ten	3/8	eleven	seventy	forty-three	one hundred and eight	forty-two point five	-	-	-	-	-
fifteen	1/2	eleven	eighty-five	forty-three	one hundred and eight	forty-two point five	1/2	sixty-eight	one hundred and thirty	forty-one	eighty-five
twenty	3/4	fourteen	ninety-five	forty-five point five	one hundred and forty-six	forty-seven point five	3/4	seventy-seven	one hundred and eighty	forty-six	ninety-five
twenty-five	one	twenty-one	one hundred and five	fifty-nine point five	one hundred and forty-six	fifty-two point five	one	eighty-two	one hundred and eighty	fifty-five	one hundred and five
thirty-two	11/4	twenty-five	one hundred and twenty	sixty-four point five	one hundred and forty-six	sixty	11/4	one hundred and fifteen	three hundred	seventy	one hundred and twenty
forty	11/2	thirty-two	one hundred and thirty	seventy-six	two hundred and fifty-four	sixty-five	11/2	one hundred and twenty	three hundred	eighty	one hundred and thirty
fifty	two	thirty-eight	one hundred and fifty	eighty-one	two hundred and fifty-four	seventy-five	two	one hundred and thirty	three hundred	one hundred	one hundred and fifty

Q661F/Y/N Pneumatic High Pressure Ball Valve