Type		Acuesory name	Materials
Q21F-64/C/P/R Internal thread Q41F-64/C/P/R Flange Q11F-64/C/P/R Extermal thread Q11F-64/C/P/R welding three-section tyjpe(buttwelding, socket joint welding)		Body	WCB 、 45	CF8 、 304	CF8M 、 316
		Seat ring	WCB 、 45	CF8 、 304	CF8M 、 316
		Ball	1Cr18Ni9Ti	0Cr18Ni9Ti	0Cr17Ni12Mo2
		Seat	RPTFE Counterpoint polyphenyl
		Stem	2Cr13	0Cr18Ni9Ti	0Cr17Ni12Mo2
		thrust washer	PTFE Combined gasket
		Stem Packing	V- shaped PTFE Graphite
		Bolt	35	304
		Hex nut	35	304
		Spring washer	Clamp nut	304
		Spring Nut	35	304
		Spring washer	Clamp nut	304
		Nut	35	304
		Wrench /Lever	1Cr18Ni9Ti	304
		Wrench cover	Plastics
		Lock device	1Cr18Ni9Ti	304
Applicable Operating Mode	Applicable medium	Water,vapor,and oil products,etc.		zorrosion medium such as Nitric acid.	Corrosion medium such as Acetic acid.
	Applicable temperature	-28 ～ 350℃
Applicable specification	Pipe screw standard	DIN259/2999 GB7307-87 NPT BSPT
	Flanged standard	JB79-59 、 SH3406 、 GB9113 、 HG20592-97
	Screw standard	GB196

Form of Main Types and Connecting Dimension