Q347AF pneumatic ash discharge ball valveDetailed product description：

The Q347AF pneumatic ash discharge ball valve is used to control dust and solid powder content, and is particularly suitable for systems such as blast furnace coal powder injection, air pipelines, and spray gun pipelines.

1. The valve seat is equipped with an automatic wear compensation device, effectively ensuring the sealing performance of the valve.
2. The sealing ring made of special materials has the characteristics of high temperature resistance, wear resistance, and long service life.
3. The valve has a compact structure, flexible opening and closing, and easy installation and maintenance.

Main performance specifications

Model	Nominal pressure PN MPa	Test pressure		Applicable temperature ℃	Applicable Medium
		housing	Liquid seal
FQ647AF-6、Q647F-6	zero point six	zero point nine	zero point six six	≤250	Blast furnace gas ash, sewage, waste residue, mud and other dusty (particulate) gases
Q647AF-6C

Main component materials

Model	Part Name
	valve body	sphere	Seal ring	O-ring
Q647F-6、QF647AF-6	Grey cast iron (HT200)	WCB+HCR	carbon fiber	fluororubber
FQ647AF-6C	Carbon steel castings

Main dimensions and weight pressure: PN0.25-0.6MPA

Nominal diameter DN (mm)	Main connection size (mm)										Weight kg
	L	D	D1	D2	B	f	Z-φd	H1	H2	L0
two hundred	five hundred	three hundred and twenty	two hundred and eighty	two hundred and fifty-eight	twenty-six	three	8-φ17.5	two hundred and fifty-five	seven hundred and thirty	eight hundred and twelve	three hundred
two hundred and fifty	six hundred	three hundred and seventy-five	three hundred and thirty-five	three hundred and twelve	twenty-eight	three	12-φ17.5	three hundred and ten	eight hundred	eight hundred and twelve	three hundred and seventy
three hundred	seven hundred	four hundred and forty	three hundred and ninety-five	three hundred and sixty-five	twenty-eight	four	12-φ22	three hundred and seventy	eight hundred and fifty-two	eight hundred and twelve	four hundred and forty
three hundred and fifty	eight hundred	four hundred and ninety	four hundred and forty-five	four hundred and fifteen	thirty	four	12-φ22	four hundred and forty	nine hundred and twenty	eight hundred and twelve	seven hundred and seventy
four hundred	nine hundred	five hundred and forty	four hundred and ninety-five	four hundred and sixty-five	thirty-two	four	16-φ22	four hundred and ninety	one thousand and fifty	one thousand and twenty	eight hundred and eighty
five hundred	one thousand	six hundred and forty-five	six hundred	five hundred and seventy	thirty-four	four	20-φ22	six hundred and ten	one thousand and one hundred	one thousand and twenty	one thousand and one hundred