4 Inch ANSI Flange Gate Valve, 150LB-600LB Cast Steel, OS&Y, for Oil & Gas

4 Inch ANSI Flange Gate Valve, 150LB-600LB Cast Steel, OS&Y, for Oil & Gas

4 "6" 8 "High Quality ANSI/wedge Rising Gate Valve 150LB/300LB/600LB Cast Steel Flange Gate Valve

Our 4-inch ANSI-class flanged gate valve is engineered for high-performance isolation in oil, gas, steam, and water pipelines. Designed to meet ANSI B16.34 and API 600/6D standards, this valve features a robust cast steel construction, a rising stem (OS&Y) for clear position indication, and an elastic wedge design that ensures reliable sealing under high pressure and temperature fluctuations. Ideal for petrochemical plants, power stations, and heavy industrial applications

Product Feature

ANSI/API Compliance: Manufactured to ANSI B16.34, API 600, and API 6D standards.
Elastic Wedge Design: Compensates for thermal deformation and prevents wedging.
OS&Y (Outside Stem & Yoke): Provides visual indication of valve status.
Flange End Connection: Ensures leak-proof, high-pressure sealing.
Rolling Bearings (on larger sizes): Facilitates smooth operation for high-pressure applications.
Customizable Materials: Body, trim, gaskets, and fasteners can be specified per application requirements.

Specifications

Attribute	Specification
Size Range	4" (Other sizes available: DN 20 - DN 300)
Pressure Rating	150LB, 300LB, 600LB
Design Standard	ANSI B16.34, API 600, API 6D
Connection Type	Flange Ends
Body Material	Cast Steel
Stem Type	Rising Stem (OS&Y)
Seat Type	Metal Seat, Resilient Seated
Operation	Manual Handwheel (with bearings on large sizes)
Media	Oil, Gas, Steam, Water
Temperature Range	High Temperature (Standard)
Customization	OEM/ODM Support Available

Advantages

Advantage	Description
Reliable Sealing	Elastic gate structure ensures tight shut-off even under thermal stress.
Durable Construction	Cast steel body offers high strength and corrosion resistance.
Easy Operation	OS&Y design and optional bearings reduce operating torque.
Versatile Application	Suitable for water, oil, gas, steam, and petrochemical services.
Full Bore Design	Minimizes pressure drop and allows pigging in pipeline systems.
Customizable	Multiple material combinations and trim options available.