Non-Rising Stem Knife Gate Valve

Key Specifications:

Sizes: 2″ – 48″ or DN 50 – DN 1200

Pressure Rating: Class150 or PN6 – PN16

Materials of valve body: WCB, LCB, WC6, CF8, CF3, CF8M, CF3M, 4A, etc.

Operation: Manual, Gear, Pneumatic, hydraulic and Electric actuator

Features

Wafer lug-type body

Beveled knife on metal or resilient seats

Self-cleaning mechanism

Bi-direction design

Non-rising stem

Pillar type yoke, more room for stem nut

Design & Manufacture:

MSS SP-61, ASME 16.34
Face to Face: MSS SP-81, ASME B16.10, EN 558
Connection End: ASME B16.5, EN 1092, JIS B2220
Test : MSS SP-81

Key Features:

1. Non-Rising Stem Design:

   • Space-Saving: The stem does not rise during operation, making it ideal for installations with limited vertical space.

   • Compact Design: The non-rising stem allows for a more compact valve construction, reducing the overall footprint.

2. Knife Gate Mechanism:

   • Efficient Cutting: The sharp-edged gate is designed to cut through thick, viscous, and abrasive media, such as slurries, sludge, and solids.

   • Minimal Clogging: The knife gate design reduces the risk of clogging, ensuring smooth operation even in challenging applications.

3. Robust Construction:

   • Durable Materials: Typically constructed from materials such as stainless steel, carbon steel, or cast iron, providing excellent resistance to wear, corrosion, and abrasion.

   • Heavy-Duty Design: Built to withstand high-pressure and high-temperature conditions, ensuring reliable performance in harsh environments.

4. Bidirectional Sealing:

   • Versatility: The valve is designed to provide effective sealing in both flow directions, making it suitable for applications where flow direction may change.

5. Manual or Automated Operation:

   • Manual Operation: Equipped with a handwheel or lever for easy manual control.

   • Automated Operation: Can be fitted with electric, pneumatic, or hydraulic actuators for remote and automated control.

6. Resilient or Metal Seats:

   • Resilient Seats: Suitable for general-purpose applications, providing a tight seal with minimal leakage.

   • Metal Seats: Ideal for high-temperature and high-pressure applications, offering enhanced durability and sealing performance.