150#/300/600#/900#/1500# Parallel Double Disc Gate Valve

• Type: 150#/300/600#/900#/1500# Parallel Double Disc Gate
• Material: Carbon Steel
• Connection Form: Flange
• Pressure: Medium Pressure
• Seal Surface: Parallel Double Disc Gate Valve
• Thread Position of Valve Rod: Inside Gate Valve
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Std: API6d
• Oper: Handwheel;Electric;Hydraulic;Pneumatic
• Certificates: ABS, BV, Dnv, Gl, Lr API6a, API6d, CE, ISO9001:2008
• Bonnet: Bolted; Pressure Sealed
• Special Request: Locking Device; Posioner Indicator;Limit Switch
• Body: Forged or Casting
• Warranty: 18 Months
• Transport Package: Sea Worthy
• Specification: API, ANSI, ASME, BS, DIN, JIS, GB etc.
• Trademark: Vatac
• Origin: China
• HS Code: 84818010
• Production Capacity: 800ton Per Year

Product Description

Size Range: 1/2" to 42" N. B.

Pressure Classes: ANSI 150, 300, 600, 900, 1500, 2500 & 4500.

End Connections: Flanged, Buttweld, Socket Weld, Hub Connectors, Compact Flange or other proprietary connections.

Materials (Standard)
Standard Constructions
Cast Carbon Steel A216 Gr WCB Body and Bonnet.
13% chrome stem, gate and seats. Stem packing PTFE / graphite composite. Seating surfaces of gate and seats hard faced with tungsten carbide on request.

Manufacturing to NACE MR-01-75 on request.

Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials.
Various trim materials available to suit service conditions.

Operation
Manual, Electric, Hydrau-Pneumatic Actuator

Design Codes
API 6D, ANSI B16.34, ANSI 16.5, ASME VIII, API 6FA.

Quality Assurance
Accredited with ISO 9001 and API Q1 Quality Assurance Programmes.

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