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Quick Actuating Closure QOC

Our Quick Actuating Closure represents the pinnacle of engineering excellence in pressure vessel access technology. Designed to meet the most rigorous industrial standards, this innovative closure system provides rapid, secure access to pressure vessels while maintaining the highest levels of safety and reliability.

Categories: , Product ID: 26420

Description

Product Overview

Our Quick Actuating Closure represents the pinnacle of engineering excellence in pressure vessel access technology. Designed to meet the most rigorous industrial standards, this innovative closure system provides rapid, secure access to pressure vessels while maintaining the highest levels of safety and reliability. With an impressive size range from 4″ to 78″ and pressure capabilities up to 100MPa, it sets new benchmarks in operational efficiency across multiple industries.

Technical Specifications

Design & Certification
  • Compliance: ASME VIII Div. 1 certified

  • Pressure Rating: Up to 100MPa (14,500 PSI)

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

  • Size Range: 4″ to 78″ nominal diameter

rapid open closure

Material Selection
  • Primary Materials: Carbon Steel, Stainless Steel, Duplex, Super Duplex

  • Gasket Options: NBR, HNBR, VITON

  • Hinge/Davit: Carbon Steel or Stainless Steel

  • Custom material configurations available for specific service conditions

Design Features
  • Orientation: Horizontal or vertical installation

  • Safety Certification: Full ASME code stamping

  • Operation: Quick-actuating mechanism for rapid access

  • Sealing: Advanced lip seal and O-ring technology

Key Advantages of Quick Actuating Closure 

Operational Efficiency
pig launcher and receiver

The Quick Actuating Closure is designed to improve workflow efficiency in industrial settings. Its quick-actuating mechanism allows for faster vessel access compared to traditional closure systems, helping to reduce downtime during maintenance and inspection procedures. The closure is available in sizes from 4 to 78 inches, making it suitable for various applications across different scales of operation. Additionally, it can be installed in either horizontal or vertical orientation, providing flexibility for different plant layouts.

Reliable Performance

This Quick Actuating Closure is engineered to perform consistently under demanding conditions. It can handle pressures up to 100MPa and temperatures ranging from -46°C to +350°C, making it suitable for both high-pressure applications and extreme temperature environments. The availability of different material options, including corrosion-resistant alloys, ensures compatibility with various process media and operating conditions.

Safety Features

Safety considerations are integral to quick actuating closure’s design. It incorporates mechanical safety interlocks that help prevent accidental opening when the vessel is under pressure. The sealing system includes multiple seal options that work to maintain containment and help prevent leaks. The closure meets ASME standards and carries appropriate certification, providing assurance of its compliance with industry regulations.

Practical Benefits

The design focuses on providing practical advantages in daily operations. The time-saving access mechanism contributes to more efficient maintenance schedules, while the flexible sizing and orientation options simplify integration into existing systems. The robust construction and safety features aim to provide reliable performance while helping to minimize operational risks.

Parameters of QOC

Design Conditions
1 Pipeline Size From 6″ up to 56″
2 Design Code ASME VIII Div 1; ASME B31.3; ASME B31.4; ASME B31.8, etc.
3 Design Factor 0.5, 0.6, 0.7, etc.
4 Corrosion Allowance 0-5mm or more
5 Design Pressure CL150, CL300, CL600, CL900, CL1500, CL2500, or as required.
6 Design Temperature (Min/Max) -50℃ / 200℃
7 Closure Type Clamp Ring Type Quick Opening Closure
8 Installation Orientation Horizontal, Vertical, Inclined
9 Applicable Medium Gas, Oil, Petroleum, Chemical Materials, Water, etc.
Structure and Main Materials
1 Major Barrel/Min Barrel ASTM A106, ASTM A516 Gr.70, or as required.
2 ASTM A515 Gr.70, ASTM A516 Gr.70,
Quick Opening Closure And ASTM A105, ASTM A350 LF2 Class1,
(with Interlock System) ASTM A694 F42 F46 F48 F50 F52 F56 F60 F65 F70,
or as required.
3 Sealing Ring for the Closure Viton, Nitrile
4 Saddle Support Q235, or as required.
5 Flange ASTM A105, ASTM A694 F70, or as required.
6 Lifting Lug/Eyes Q235, or as required.
7 Grounding Yes
8 Name Plate Stainless Steel, or as required.
Certificates
1 ASME U Stamp Certificate Applicable
2 Third-Party Inspection BV, SGS, ABS, DNV, or as required.