Pneumatic Unidirectional Knife Gate Valve for Slurry
This pneumatic unidirectional knife gate valve is designed for industrial pipeline on-off operation. The valve's structure and seat design prevent clogging, allowing it to manage flow with fine particles, while its blade-shaped disc cuts through soft materials for effective closure.



Technical Specifications
Product Overview
High-Performance Slurry Control
This pneumatic unidirectional knife gate valve is engineered for demanding industrial environments involving abrasive slurries and suspended solids. Featuring a sharp-edged gate design, it effectively cuts through media to ensure reliable flow control and tight sealing. The valve is built with a reinforced body and specialized hold-down devices to maintain performance under pressure, making it an ideal solution for mining, paper processing, and water purification systems.
Technical Specifications
Operating Temperature
- Size Range
- NPS 2 - NPS 48 / DN 50 - DN 1200
- Pressure Range
- Class 150PN6PN10
- Connection Type
- Wafer
Materials
Body Material
Sealing Material
- Rubber
- PTFE
- Metal seal
- Disc Material
- Stainless Steel
Operational Details
Standards Compliance
| Criteria | Standard |
|---|---|
| Pressure Test | GB/T13927, API598 |
| Face to Face | GB/T12221, API609 |
| Valve Body | GB/T12224, ASME B16.34 |
- Operating Modes
- PneumaticHand wheelBevel GearElectricHydraulic
Applications
Typical Industries
- Mining & Coal Washing
- Iron & Steel Industry
- Water Purification & Sewage
- Paper & Pulp Industry
- Power Station Ash Removal



