Description
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