Forged Trunnion Ball Valve

Description

Trunnion-mounted Ball Valves

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