Description

Product Overview

The Rapid Opening Closure provides reliable and quick access to pressure vessels across various industrial applications. Available in sizes from 4 to 78 inches, this closure solution meets ASME VIII Div. 1 standards and is designed to handle demanding operating conditions while maintaining safety and efficiency.

Technical Specifications

• Size Range: 4″ to 78″ nominal diameter

• Design Code: ASME VIII Div. 1

• Pressure Rating: Up to 100 MPa

• Temperature Range: -46°C to +350°C (optional extension to 450°C available)

• Installation: Horizontal or vertical orientation

• Hub and Door: Carbon Steel, Stainless Steel, Duplex, Super Duplex

• Seals: NBR, HNBR, VITON materials

• Hinge/Davit: Carbon Steel or Stainless Steel

Design Features of Rapid Opening Closure

Size and Application Flexibility

The closure’s comprehensive size range from 4 to 78 inches makes it suitable for various pressure vessel applications, from small process units to large industrial systems. This versatility allows for broad application across different industries and operational requirements.

Reliable Performance Under Pressure

Designed to withstand pressures up to 100 MPa and temperatures from -46°C to +350°C, the closure maintains its integrity in challenging operating environments. The extended temperature option to 450°C provides additional flexibility for high-temperature applications.

Compliance and Quality

Manufactured in accordance with ASME VIII Div. 1 standards, the closure meets recognized industry requirements for safety and quality. This compliance ensures consistent performance and reliability in pressure vessel applications.

Material and Seal Selection

The availability of different materials, including carbon steel, stainless steel, and duplex alloys, allows selection based on specific service conditions and compatibility requirements. Multiple seal options (NBR, HNBR, VITON) provide effective sealing solutions for different operating environments.

Installation Flexibility

The closure can be installed in either horizontal or vertical orientation, providing adaptability to various system layouts and space constraints.

Safety Features

Safety interlocks help prevent accidental opening during operation, while ASME code compliance ensures the closure meets established safety standards.

Maintenance and Storage of Rapid Opening Closure

Storage Recommendations

For optimal preservation during storage, remove the sealing ring and thoroughly clean the sealing surfaces. After applying anti-rust oil, reinstall the sealing ring and protect the assembly with plastic sheeting. Indoor storage in a packing box is recommended to maintain the closure’s condition.

Inspection and Maintenance

Regular inspection and maintenance help ensure long-term performance and safety:

• Seal Inspection: Check seals periodically for wear, cracks, or hardening. Replace any damaged seals with manufacturer-specified replacements

• Safety Mechanism Check: Regularly verify the condition of safety interlocks and related components

• Operational Testing: Conduct periodic operational checks to ensure smooth opening and closing functionality

• Lubrication: Apply appropriate lubricants to moving parts as recommended by the manufacturer