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Knife Edge Gate Valve

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MOQ : 1 Unit

Knife Edge Gate Valve Specification

Connection Type
Flanged

Material
Stainless Steel

Valve Size
DN50 to DN600

Valve Type
Knife Edge Gate Valve

Features
Compact design low-pressure drop bidirectional flow

Control System
Manual (Handwheel operation)

Voltage
Not applicable (manual operation)

Sealing
PTFE seal for improved leak resistance

Application
Industrial applications including slurry pulp and chemical processing

Structure
Knife Edge Gate Valve

Type
Knife Gate Valve

Power
Not applicable (manual operation)

Pressure
Up to 10 bar (varies by model)

Media
Liquids slurries and pulp

Port Size
Nominal sizes ranging from DN50 to DN600

Temperature
Up to 200C

Disc
Stainless Steel

Pin
Stainless Steel

About Knife Edge Gate Valve

Application Isolation

Features / Benefit

OS & Y Construction

Renewable Seat Rings

Burnish Finish Stem for Low Operating Torque

Ansi Class / Rating : 150#/PN 10

Design Standard : MSS SP 81

Testing Standard : ISO 5208

F to F Standard : ASME B16.10

Size : 50 MM TO 600 MM

Materials Body : WCB, CF8, CF8M, Hast Alloy,

Super Duplex, Alloy 20 etc

Gate : CF8, CF8M, Hast Alloy, Super Duplex,

Alloy 20 etc

Ends : Wafer Lugged End

Operation : Mannual, Pneumatic, Electric

Durable Stainless Steel Construction

Built with high-grade stainless steel for the disc, pin, and body, this valve is engineered to withstand corrosive and abrasive industrial media. The robust construction ensures longevity and minimal maintenance, making it a cost-effective solution for harsh processing environments.

Efficient Leakage Prevention with PTFE Sealing

Equipped with a PTFE seal, the knife edge gate valve delivers superior leak resistance even in high-pressure situations. This advanced sealing technology enhances operational safety and reduces downtime due to maintenance or leakage issues, supporting continuous industrial throughput.

Versatile Applications Across Industries

Designed for slurry, pulp, and chemical processing, the valve supports a wide temperature range up to 200C and pressures up to 10 bar, depending on model. Its adaptability makes it suitable for various industrial processes where reliable isolation and control are essential.

FAQ's of Knife Edge Gate Valve:

Q: How does the knife edge gate valve operate in slurry or pulp applications?

A: The knife edge gate valve uses a sharp-edged stainless steel disc to cut through thick slurries or pulp, allowing for secure and unobstructed flow or isolation in demanding industrial processes.

Q: What is the benefit of manual (handwheel) operation for this valve?

A: Manual handwheel operation offers straightforward control, eliminating the need for external power sources, and making the valve suitable for remote or hazardous locations where automation is not feasible or desired.

Q: Where can the stainless steel knife edge gate valve be installed?

A: This valve is suited for installation in industrial piping systems handling liquids, slurries, or chemical pulp, commonly found in processing plants, wastewater treatment facilities, and chemical industries.

Q: When is it ideal to use a PTFE seal in a knife edge gate valve?

A: A PTFE seal is ideal when enhanced leak resistance is required, especially in applications involving corrosive chemicals or processes where maintaining tight shutoff is critical for safety and efficiency.

Q: What makes the bidirectional flow feature advantageous?

A: Bidirectional flow capability allows the valve to control flow in both directions, providing flexibility in system design and simplifying installation in pipelines that may require flow reversal without changing valve orientation.

Q: How is maintenance managed for this type of valve?

A: Thanks to its stainless steel construction and PTFE sealing, the knife edge gate valve offers reduced maintenance requirements. Periodic inspection and cleaning are typically sufficient to ensure dependable performance.

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