QQ641M Pneumatic High Temperature Ball ValveDetailed product description：

QQ641M Pneumatic High Temperature Ball Valve Performance Parameters:

Model	Nominal pressure (MPa)	Strength test pressure (MPa)	Sealing test pressure (MPa)	Operating temperature (℃)	Applicable Medium
QQ641M/F -16C	one point six	two point four	one point eight	-28～+300 (M/F)	Thermal oil, water, steam, gas, oil, nitric acid corrosive media, acetic acid corrosive media
QQ641M/F -25C	two point five	four	two point eight	-28～+350 (PPN)

QQ641M Pneumatic High Temperature Ball Valve Main Component Materials:

Serial number	parts name	Material
one	valve body	Ductile iron, carbon steel, cast stainless steel
two	Seal ring	(M/F) High strength wear-resistant carbon stone ink ≤ 300 ℃ (PPN) for polystyrene, temperature ≤ 350 ℃
three	ball	stainless steel
four	filler	Polytetrafluoroethylene
five	gland	QT450-10 ductile iron
six	valve stem	Carbon steel, chromium stainless steel
seven	Gamepad	carbon steel

QQ641M Pneumatic High Temperature Ball Valve Main Technical Parameters:

Model	Specification	Size
		L	D	D 1	D 2	z-φd	H	b
QQ641M/F -16	fifteen	one hundred and fifteen	ninety-five	sixty-five	forty-five	4-14	eighty-five	fourteen
	twenty	one hundred and thirty	one hundred and five	seventy-five	fifty-five	4-14	ninety-five	sixteen
	twenty-five	one hundred and forty	one hundred and fifteen	eighty-five	sixty-five	4-14	one hundred and three	sixteen
	thirty-two	one hundred and sixty-five	one hundred and thirty-five	one hundred	seventy-eight	4-18	one hundred and five	eighteen
	forty	one hundred and eighty	one hundred and forty-five	one hundred and ten	eighty-five	4-18	one hundred and twenty	eighteen
	fifty	two hundred	one hundred and sixty	one hundred and twenty-five	one hundred	4-18	one hundred and ninety-five	twenty
	sixty-five	two hundred and twenty	one hundred and eighty	one hundred and forty-five	one hundred and twenty	4-18	one hundred and ninety-five	twenty
	eighty	two hundred and fifty	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	8-18	two hundred and fifteen	twenty-two
	one hundred	two hundred and eighty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	8-18	two hundred and fifty-five	twenty-four