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Trunnion-mounted ball valve

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