Product Description Model NO.: Z571 Design & Manufacture: BS 5156 Face to Face: Asme B16.10 Inspect & Test: API 598 Certificate 2: ISO 9001: 2008 Certificate 4: API 6D Specification: API, ANSI, ASME, DIN, JIS, GB etc. HS Code: 84818040 Characteristic: API 6D 2′′~56′′ Parrallel Double Wedged Gate Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Flanged F.F, R.F, Rtj Certificate 1: Dnv CE 0575 Certificate 3: API 600 Trademark: VATAC Origin: China API 6D 2''~56'' Parrallel Double Wedged Slab/Expanding Gate Valve Handwheel Conform to API 6D, and API 6A, They are tested according to API 598, and marked as per MSS SP-25,

Construction is as follows:
- Full Port
- Outside Screw and Yoke(OS&Y)
- Bolted Bonnet with spiral-would gasket, and pressure seal bonnet
- Expanding or Double Expanding
- Solid  Wedge
- Butt Weld Ends to ASME B16.25
- Flanged Ends to ASME B16.5 and B16.47


Main Part & Materials

Part Names	Part Materials
Body	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Bonnet	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Disc/Ball/Wedge	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Stem	F6a	F304	F6a	F304	F316	F304L	F316L	C83600/C95800
Seat/Seat Ring	13%Cr	SS304	13%Cr	SS304	SS316	SS304L	SS316L	C83600/C95800
	PTFE/VITON
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.				Sea Water etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C	-29~220 °C

Normal Pressure Rating
PN10~PN420, CLASS150~2500

Normal Size Range
DN50~DN1000, 2"~40"     

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