Trunnion-mounted Ball Valves

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Trunnion-mounted Ball Valves


Trunnion-mounted Ball Valves

Size 2" to 56" (50 mm to 1400 mm)
ASME Class Class 150 to 2500
Design Standard API 6D

Beyond Standards:

  • Trunnion-mounted Ball Valve design complies to API 6D
  • Valves offered with API 6D monogram
  • Wide portfolio of Side-entry and Top-entry designs
  • Fugitive emissions - Soft and Metal seated valves complies to ISO 15848-1, Class AH and BH
  • Stem seal configurations tested to API 622 at Yarmouth Research labs, Maine, USA
  • Firesafe design - Tested to API 607 and API 6FA
  • 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 SIL 3 certification to IEC 61508, certified by Exida/ TUV
  • Valves successfully tested to Shell Design Evaluation Test, Procedure 77/300 for temperature -29 to 150 degree C (O rings) and -50 to 150 degree C (Lip seals)
  • Pneumatic shell test conducted at 1.1 times rated pressure to check shell integrity, when required

Features that Add Value:

  • Double block and bleed (DBB) feature - Valves are designed and tested for automatic cavity relief
  • Anti-blowout stem design
  • Coil springs used for consistent seat loading and lower operating torque
  • Lip seals provided for low temperature services
  • 2/3 stage Stem and 2 stage Body Joint sealing system; Primary O ring and Secondary graphite (in 3 stage stem, thrust washer is primary)
  • Where tight shut off is required, Double piston effect (DPE) seats provided for redundancy in sealing

Versatile Solutions:

  • Wide portfolio of Side-entry and Top-entry designs
  • Options: Buried service, Cryogenic
  • Offered with Electric, Pneumatic and Hydraulic Actuators
  • In-house Tests Capabilities - Cryogenic Test, Pipe Bending Test, Vacuum Test and Fast Closure Test
  • ValvTrac™ RFID tagging offered for reliable digital traceability

Trunnion-mounted Ball Valves - Top-entry Design

Special Features:

  • Accessibility to all the valve internals from the top
  • In-line valve maintenance, without disassembling the valve from the pipeline
  • Reduces maintenance downtime
  • Body cover joint not exposed to pipeline stresses