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DBB Plug Valves
All Products
Double Block & Bleed Plug Valves
| Size | 2" to 42" (50 mm to 1050 mm) |
| ASME Class | Class 150 to 600 |
| Design Standard | API 6D |
Beyond Standards:
- Design complies to API 6D
- Valves offered with API 6D monogram
- Fugitive emissions – Complies to ISO 15848-1
- Fire safety - Complies to API 607/ ISO 10497
- CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
- PED Module B1 Design examination certificate (certified by DNV) available
- Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
- SIL3 - Safety Integrity Level SIL3 certification complies to IEC 61508
Features that Add Value:
- L&T Valves Double Block & Bleed Plug Valve provides online-verifiable bubble tight sealing and is a safe and reliable replacement to the conventional two-valve system
- High integrity positive shut-off obtained independent of line pressure, without sealants/ lubricants
- Mechanical sealing ensuring online-verifiable positive double isolation for critical services
- Patented operator mechanism enables segments to move towards the seats during valve operation – reduces wear and tear and enhances service life
- Inbuilt cavity pressure relief system
- Inline Maintainable Seats -Seats can be renewed without removing the valve from the pipeline (after draining and isolating the line)
Versatile Solutions:
- Options: High Temperature, Cryogenic, FBE-lined, Steam-jacketed valves
- ValvTrac™ RFID tags for reliable digital traceability
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