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DQSV Ball Valve
DQSV · Shutoff & isolation

Ball Valve

A ball valve for pipeline isolation in liquid and gas service. Body, sealing materials, connections and actuation are selected according to the medium and operating range.

SIZE RANGEDN15 ~ DN600
PRESSURE RATINGPN16 ~ PN40 / Class150 ~ Class300
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Ball Valve specifications
Size RangeDN15 ~ DN600
Pressure RatingPN16 ~ PN40 / Class150 ~ Class300
Temperature Range-29°C ~ 180°C(-20°F ~ 356°F)
Body MaterialWCB / CF8 / CF8M / CF3M etc.
Lining MaterialFEP / PFA / PTFE / nylon / stainless steel etc.
Connectionflanged / wafer / threaded / welded
Applicable Mediumwater, steam, oil products, gas, chemical media etc.
Actuationmanual / worm gear / pneumatic / electric

Body and construction

Ball Valve — Full-bore ball · A bore matching the pipeline diameter reduces flow resistance and supports rapid shutoff.
Full-bore ball · A bore matching the pipeline diameter reduces flow resistance and supports rapid shutoff.
Ball Valve — Floating or trunnion-mounted ball · PTFE, PPL or metal seat options with bidirectional sealing and a blowout-resistant stem.
Floating or trunnion-mounted ball · PTFE, PPL or metal seat options with bidirectional sealing and a blowout-resistant stem.

Drive options

Ball Valve — Manual or worm gear drive (standard)
Manual or worm gear drive (standard)
Ball Valve — Pneumatic actuator (rapid cycling)
Pneumatic actuator (rapid cycling)
Ball Valve — Electric actuator (remote control)
Electric actuator (remote control)

Product features

  • Rapid opening and closing

    Stable sealing for frequent cycling or continuous regulation.

  • Full bore

    Critical areas can receive treatments for wear, corrosion and high temperature service.

  • Reliable sealing

    Selection calculations and custom configurations are available for the specified operating conditions.

  • Low flow resistance

    Compact construction supports site installation and subsequent maintenance.

  • Application flexibility

    Stable sealing for frequent cycling or continuous regulation.

  • Accessible maintenance

    Critical areas can receive treatments for wear, corrosion and high temperature service.

Construction features

Rapid opening and closing
Modular body, bonnet and sealing assemblies support maintenance and spare part replacement.
Full bore
Wetted parts can be selected for the medium, including stainless steel, alloy steel, fluoropolymer or rubber linings, and hard alloys.
Reliable sealing
Actuation configurations include manual, electric, pneumatic, diaphragm and self-operated options, subject to the selected valve configuration.
Low flow resistance
Modular body, bonnet and sealing assemblies support maintenance and spare part replacement.
Application flexibility
Wetted parts can be selected for the medium, including stainless steel, alloy steel, fluoropolymer or rubber linings, and hard alloys.
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