Flat Gate Valve

Summary:Full bore, fully enclosed Rising stem with bracket, valve stem moves up and down while the handwheel remains stationary Rigid wedge design for compact structure Flow-guide hole design ensures smooth flow path with minimal flow resistance Effort-saving operation for easy opening and closing, coupled with reliable sealing performance Lightweight and flexible to operate, with optional transmission mechanisms available Simple body design, short structural length, excellent manufacturability, and wide-ranging applicability Standard flange connection or butt-welded connection

+86-028-61030291

Product Details

Product Features

Full bore, fully enclosed

Rising stem with bracket—valve stem moves up and down, while the handwheel remains stationary.

Rigid gate plate, compact structure

Flow-guiding hole design ensures smooth channels with minimal flow resistance.

Easy to open and close, with reliable sealing

Easy and flexible to operate, with optional transmission methods.

Simple in shape, short in structural length, easy to manufacture, and suitable for a wide range of applications.

Standard flange connection, butt-welded connection

Product Specifications

Product Name	Design Specifications	Structural length	Connection standard	Testing and Inspection	Pressure-Temperature	Product Identification	Supply Specifications
Flat-plate gate valve	JB/T 5298	JB/T 5298	HG/T 20592	GB/T 13927	GB/T 12224	GB/T 12220	JB/T 7928
Flat-plate gate valve	API 6D	API 6D	ASME B16.5	API 6D	ASME B16.34	MSS SP-25	API 6D

Size range: DN15–1000, NPS 1/2–40

Pressure range: 1.0–42.0 MPa, 150–2500 LB

Connection method: Flanges, butt welding

Drive method: Handwheels, bevel gears, electric, pneumatic, and more

Major component materials

Name	Materials
Name	JB/T 5298		API 6D
Valve Body/Valve Cover	WCB	WCB	A352 LCB	A351 CF8M
Gate valve	2Cr13 + ENP	20CrMoV+STL	ANSI 410+ENP	ANSI 316 + ENP
Valve seat	25+PTFE	20CrMoV+STL	A105+PTFE	A182 F316+PTFE
Valve stem	2Cr13	2Cr13	A182 F6a	A182 F316
Filler	Flexible graphite		PTFE
Gasket	18-8 Flexible Graphite
Bolt	35/35CrMoA	35/35CrMoA	A193 B7M	A193 B8
Applicable Temperature	-29 to 250°C	-29 to 425°C	-40 to 200°C	-40 to 200°C
Applicable Medium	Water, oil products, steam	Water, oil products, steam	Propane, Ethylene	Acetic acid derivatives