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    • Trunnion-mounted ball valve

    Trunnion-mounted ball valve

    產(chǎn)品說(shuō)明

    /instructions

    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


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