Quick Opening Closures with Tooth
Elite UK – Secure, Fast, and Reliable Pipeline Access Solutions
Our Quick Opening Closures with Tooth are engineered to provide a robust, safe, and fast access point for pipeline pig launchers, receivers, and pressure vessels. The unique tooth locking mechanism ensures a secure seal while allowing quick and easy opening and closing, minimizing downtime during maintenance or pigging operations.
Key Features:
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Tooth locking design for enhanced grip and secure closure under high pressure
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Manufactured from carbon steel, stainless steel, or alloys to suit various pipeline conditions
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Complies with international standards such as ASME, API, PED
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Available in multiple sizes and pressure ratings
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Suitable for onshore and offshore pipeline applications
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Easy to operate with minimal tools required
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Provides reliable sealing to prevent leaks under extreme conditions
Applications:
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Pig Launchers and Receivers
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Pressure Vessel Access
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Industrial and Petrochemical Pipelines
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Fast Maintenance and Inspection Points
📩 Contact Us for Technical Details & Quotations:
Email: sales@elitepipelinepigs.com
Website: www.elitepipelinepigs.com
| Product Information | |
| QOC Nominal Size | From 6″ to 46″ |
| QOC Design Code | ASME VIII Div. 1 / Div. 2 / EN 13445 |
| QOC Design Pressure Rating | Up to ANSI 600 |
| QOC Design Temperature (min/max) | -46°C / +350°C |
| Qoc Orientation | Horizontal/Vertical |
| Gasket Seal | Lip seal |
| Design Conditions | |
| Design Code ASME VIII Div. 1 | Yes |
| Code stamped |
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| Vassel Wall Thickness | Acc. to the vessel |
| Vessel PWHT |
 |
| NACE Compliance (MR0175/ISO15156) |
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| Principal Materials | |
| Hub Material | Carbon steel/Stainless Steel/Duplex/Super Duplex |
| Door Material | Carbon steel/Stainless Steel/Duplex/Super Duplex |
| Gasket Seal | NBR/HNBR/VITON/KALREZ |
| Hinge/Davit Material | Carbon Steel / Stainless Steel |
| Pressure Warning Screw Material | Stainless Steel |
| Pressure Warning Screw Seal Material | HNBR |
| Certification | |
| Material Certification | Acc. to EN 10204 2.2/ 3.1/3.2 |
| Non-Destructive Testing | |
| M.P.I. On Weld End Preparation |
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| Dye Penetrant onWeld End Preparation |
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| Ultrasonic Examination | Yes |
| Other Requirements | |
| Inspection Requirements |
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| ASME U/U2 – Stamp Partial |
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| CE Marking |
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| Finish rough machined | |
| Finish (std) | Sandblasted and coated with zinc rich epoxy primer |
| Weld Overlay Material |
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| Nickel plating |
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| Final painting according to specification |
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| Cold galvanizing | N.A. |
| Teflon coating | N.A. |
| Mechanical Key Interlock |
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