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DQSV Three-Way Control Valve
DQSV · Flow control

Three-Way Control Valve

A three-way control valve for process flow regulation. Confirm the required flow path, flow characteristic and actuator configuration for the installation.

SIZE RANGEDN15 ~ DN200
PRESSURE RATINGPN16 / PN25 / PN40 / PN64
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Confirm the selected configuration and operating limits with DQSV before ordering.

Three-Way Control Valve specifications
Size RangeDN15 ~ DN200
Pressure RatingPN16 / PN25 / PN40 / PN64
Working Temperature-29°C ~ 250°C(depending on body material)
Body MaterialWCB / CF8 / CF8M / CF3M etc.
Connectionflanged
Flow Characteristicequal percentage / linear(optional)
Leakage ClassANSI Class IV ~ VI(optional)
Applicable Mediumwater, oil products, gas, acid and alkali solutions etc.

Body and construction

Three-Way Control Valve — Mixing configuration · Two inlets merge into one outlet for proportioning and blending.
Mixing configuration · Two inlets merge into one outlet for proportioning and blending.
Three-Way Control Valve — Diverting configuration · One inlet distributes flow between two outlets for flow splitting and heat exchanger temperature control.
Diverting configuration · One inlet distributes flow between two outlets for flow splitting and heat exchanger temperature control.

Actuation

Three-Way Control Valve — Pneumatic diaphragm actuator (standard)
Pneumatic diaphragm actuator (standard)
Three-Way Control Valve — Electric actuator (where instrument air is unavailable)
Electric actuator (where instrument air is unavailable)
Three-Way Control Valve — Pneumatic piston actuator (high differential pressure)
Pneumatic piston actuator (high differential pressure)

Product features

  • Precise regulation

    Stable sealing for frequent cycling or continuous regulation.

  • Stable response

    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.

  • Optimized construction

    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

Precise regulation
Modular body, bonnet and sealing assemblies support maintenance and spare part replacement.
Stable response
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.
Optimized construction
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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