HEVC oil and gas valves cover isolation, selected flow-control duties and reverse-flow prevention across pipeline, refinery, petrochemical, LNG and upstream applications. This collection includes fully welded, side-entry and top-entry trunnion ball valves, floating ball valves, orbit-type rising stem ball valves, metal-seated ball valves, triple-offset butterfly valves, cryogenic valves and API 6A gate, globe and check valves.

Compare individual product specifications to select the valve platform for the process medium, pressure, temperature and operating duty. Available sizes, ratings, materials, actuation and inspection requirements are confirmed for the quoted model and configuration.

Fully welded trunnion ball valves support natural-gas, crude-oil and refined-product pipeline isolation, including buried or above-ground configurations. The TW platform covers NPS 2–56 / DN50–DN1400 and Class 150–1500. Installation access, end connections and actuator requirements should be defined for the pipeline or station.

Side-entry soft-seated trunnion ball valves provide API 6D pipeline options for transmission lines, compressor stations and terminals. The TA / TB platform covers NPS 2–56 and Class 150–2500. Top-entry TEA / TEB trunnion ball valves cover the same published size and pressure ranges, with top-entry access for maintenance planning.

Seat arrangement, required leakage acceptance and any double-block-and-bleed function are confirmed for the selected configuration. Published platform ranges do not mean every size and material is available at the maximum pressure class.

Forged steel floating ball valves provide compact quarter-turn isolation for refinery, chemical and high-pressure piping. FC / FD covers NPS 1/2–8 and Class 150–2500. The FA / FB floating ball valve platform covers NPS 1/2–6 and Class 150–900 for process and utility isolation. Both publish a temperature range of -46 to 200°C, with actual seat and material suitability reviewed for the medium.

TAM / TBM side-entry metal-seated trunnion ball valves address selected high-temperature, abrasive and particulate isolation duties. The published platform covers NPS 2–40, Class 150–2500 and -46 to 450°C. Particle characteristics, differential pressure, thermal cycling and seat-leakage requirements guide the configuration review.

Triple-offset butterfly valves add large-diameter process and utility isolation options. BTT / TTM covers NPS 3–80 / DN80–DN2000 and Class 150–900. Review seating, materials, connection interfaces and actuation against the specific refinery or petrochemical duty.

OB orbit-type rising stem ball valves support frequent-cycling isolation in molecular-sieve switching, gas dehydration, LNG pretreatment and gas-processing packages. Non-rubbing seat engagement is a key selection consideration for critical switching duties.

Specify process and regeneration conditions, cycle frequency, differential pressure, required shutoff and actuator sequence. Size, pressure class and material combinations are confirmed for the quoted OB model. LNG pretreatment application does not itself establish cryogenic suitability.

The cryogenic collection includes side-entry floating and trunnion ball valves, top-entry ball valves and globe valves. Published configurations extend down to -196°C, using austenitic stainless steel construction with model-specific seating and connections.

Cryogenic side-entry ball valve platforms cover NPS 2–24 and Class 150–900. CRYO-TE top-entry ball valves cover NPS 1/2–4 and Class 150–1500; CRYO-GL globe valves cover NPS 1/2–16 and Class 150–1500. Select the design for LNG liquefaction, storage, loading, LPG or air-separation duties using the actual process conditions.

Define minimum temperature, thermal cycling, leakage acceptance, trapped-fluid relief requirements and installation orientation. Fluid-specific compatibility and any oxygen-service cleanliness requirements are reviewed separately.

API 6A wedge gate valves support wellhead and upstream isolation. Forged steel globe valves address selected flow-control and shutoff duties, while forged steel check valves provide automatic reverse-flow prevention in oilfield and high-pressure systems.

The G, GL and CS / CL models are selected against the project API 6A requirements. Specify rated working pressure, temperature conditions, materials, connection interfaces, product specification level and inspection scope. Numerical ranges and qualifications are confirmed in the quotation rather than inferred from another valve series.

Start with the duty: isolation, switching, selected flow control or non-return protection. Provide line size, medium composition, operating and design pressures, minimum and maximum temperatures, differential pressure and required leakage acceptance. Include solids content, operating cycles and installation constraints where relevant.

Confirm body, trim and seat materials, pressure-temperature ratings, end dimensions, actuator type, fail action and control interfaces. Sour-service, hydrogen, cryogenic, fire-safe or fugitive-emissions requirements need configuration-specific support; a broad application label does not establish qualification for every product.

API 6D, API 6A and other design or testing requirements apply according to the selected valve and project specification. Define material verification, shell-pressure tests, seat-leakage acceptance and any operational or performance testing in the inspection plan.

Specify drawings, material certificates, actuator documents, inspection records and required test reports before ordering. Manufacturing-platform qualifications and references describe broader capability; certifications and service ratings are confirmed for the individual quoted valve.