EMT’s Quick Opening Closure is a device designed for fast and easy access to pipelines during maintenance and inspection tasks. It is built to ensure safety and efficiency. It allows operators to open and close pipeline sections quickly without using special tools. This closure is compatible with various pipeline designs and is made from durable materials that withstand harsh conditions.
The Quick Opening Closure features a simple locking mechanism that ensures a tight and secure seal, and it can be operated manually or with automated systems, depending on the installation. It includes safety features to prevent accidental openings during operations. Also, maintenance on this device is straightforward, requiring minimal downtime. This helps to keep operations running smoothly.
EMT’s Quick Opening Closure is suitable for a wide range of industrial applications, including oil, gas, and water systems. The quick and regular access is necessary for effective management and maintenance of the pipeline infrastructure.
Parameters of EMT Quick Opening Closure
| 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. |
Different Types
| Lock Ring Type | Band Type | Plug Buckle Type | |
| Installation | Vertical/Horizontal | Vertical/Horizontal | Vertical |
| Size | DN 200 to DN 1200 | DN 150 to DN 1000 | DN 150 to DN 1000 |
| Pressure | ASME #150 to #1500 | ASME #150 & #300 | ASME #150 to #600 |
| Materials | SA 350 LF2 | SA 350 LF2 | SA 516 70N/SA 105N |
| Sealing | Viton™ | Viton™ | Viton™ |
Production Features of Quick Opening Closure
The Locking-ring Quick Opening Closure is equipped with an integral scalable locking ring structure. This innovative design significantly shortens the time required for opening and closing compared to other quick opening closures. This makes operation more efficient.
Reliable Sealing:
Furthermore, it features a unique self-tightening lip seal structure. This design enhancement greatly improves the safety and reliability of the sealing process. This ensures that the closure maintains a tight seal under various operational conditions.
Safety Lock System:
Additionally, the closure incorporates a self-locking safety system. Before the process of pressurization (“boosting”) can begin, the fast-opening closure and the locking structure on the operating parts must be securely locked.
Moreover, after the process of depressurization (“unloading”), and before the quick opening closure cover can be opened, the internal pressure of the container must be fully released. This crucial mechanism ensures secondary pressure relief. It is designed to prevent any safety issues that might arise from incorrect operation.
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