Pneumatic Ceramic Double Disc Gate Valve
This pneumatic ceramic double disc gate valve is designed for feeding and dumping dry powder in transport pipelines. It utilizes toughened ceramic for shut-off and wear resistance, incorporating pressure self-sealing and valve disc auto-rotation to enhance sealing surface durability during frequent operation.




Technical Specifications
Product Overview
High-Performance Ceramic Gate Valve
This pneumatic ceramic double disc gate valve is engineered for demanding industrial environments involving the transport of dry powders. Featuring toughened structural ceramics for superior wear resistance, the valve utilizes a pressure self-sealing design and auto-rotating discs to prevent dust clogging and ensure long-term sealing integrity. It is an ideal solution for power plants, cement facilities, and mineral processing applications requiring reliable shut-off performance.
Technical Specifications
Operating Temperature
Flange Standards
- ASME B16.5
- GB/T9113
- Size Range
- NPS4 - NPS12 / DN100 - DN300
- Pressure Rating
- Class 150PN6PN10
- Connection Type
- Flange
- Sealing Material
- Engineering Ceramics
Design & Features
Operating Modes
Key Design Features
- Structural ceramic sealing pair for wear and flushing resistance
- Double disc structure for two-side sealing
- Spring-loaded bi-directional flexible preload
- Auto-rotating disc to prevent ash deposition
- Optional blow sweep port for cleaning
Compliance & Standards
Standards Compliance
| Standard Type | Reference |
|---|---|
| Pressure Test | GB/T13927, API598 |
| Face to Face | GB/T12221, API609 |
Applications
Primary Applications
- Power plant ash handling systems
- Cement industry (dry powder conveying and dumping)
- Dressing works (dry powder material selection and conveying)



