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                        產品中心

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                        產品詳情
                        • Trunnion-mounted ball valve

                        Trunnion-mounted ball valve

                        產品說明

                        /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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