Bayonet Quick Opening Closure
The Bayonet Quick Opening Closure (QOC) is a high-performance industrial closure system designed for pressure vessels, reactors, filters, and process equipment.
It enables fast, safe, and reliable access while significantly reducing maintenance downtime.
This closure operates using a rotational bayonet locking mechanism, allowing quick opening and closing without multiple bolted connections. It is suitable for high-pressure and vacuum applications and is engineered in compliance with recognized pressure vessel standards.
The bayonet mechanism uses interlocking lugs on the door and vessel flange that engage through a controlled rotational movement, providing uniform load distribution and reliable sealing across the entire opening.
Applications
- Chemical and petrochemical industries
- Pharmaceutical processing equipment
- Food and beverage processing
- Oil and gas facilities
Catalyst reactors and regeneration units
Advantages
- Rapid opening and closing operation
- Enhanced safety for hazardous and pressurized media
- Operator-friendly and ergonomic design
- High mechanical strength and long service life
- Available in a wide range of sizes and pressure ratings
- Cost-effective alternative to conventional bolted closures
Related Product
Technical Specifications
| Specification | Description |
|---|---|
| Closure Type | Bayonet Quick Opening Closure (QOC) |
| Operating Mechanism | Rotational bayonet locking |
| Design Standard | ASME Section VIII Div.1 / Div.2 |
| Design Pressure | Vacuum to 250 bar |
| Design Temperature | −20 °C to +400 °C |
| Nominal Diameter | DN 150 to DN 2000 |
| Sealing Type | O-ring, Metal Gasket, Composite |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel |
| Safety System | Pressure interlock, mechanical lock |
| Actuation | Manual, Pneumatic, Hydraulic |
