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