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DQSV Cage-Guided Control Valve
DQSV · Flow control

Cage-Guided Control Valve

A cage-guided control valve for process flow regulation. Define flow characteristic, pressure differential, medium and required leakage class to select the trim and actuation.

SIZE RANGEDN15 ~ DN250
PRESSURE RATINGPN16 / PN25 / PN40 / PN64 / Class 150 / 300 / 600
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Cage-Guided Control Valve specifications
Size RangeDN15 ~ DN250
Pressure RatingPN16 / PN25 / PN40 / PN64 / Class 150 / 300 / 600
Working Temperature-196°C ~ 550°C(depending on material)
Body MaterialWCB / CF8 / CF8M / CF3 / CF3M
Trim Material304 / 316 / 316L / hardfaced alloy
Connectionflanged
Flow Characteristicequal percentage / linear / quick opening
Leakage ClassANSI Class IV ~ VI(optional)

Body and trim

Cage-Guided Control Valve — Balanced cage-guided trim · Pressure balancing addresses erosion, noise and vibration in high differential pressure duties.
Balanced cage-guided trim · Pressure balancing addresses erosion, noise and vibration in high differential pressure duties.
Cage-Guided Control Valve — Hardened seat and trim · 304, 316, 316L or hardfaced alloy options for wear and corrosion resistance.
Hardened seat and trim · 304, 316, 316L or hardfaced alloy options for wear and corrosion resistance.

Actuation

Cage-Guided Control Valve — Pneumatic diaphragm actuator (standard, 4–20 mA DC control signal)
Pneumatic diaphragm actuator (standard, 4–20 mA DC control signal)
Cage-Guided Control Valve — Pneumatic piston actuator (high differential pressure, air supply 0.14–0.7 MPa)
Pneumatic piston actuator (high differential pressure, air supply 0.14–0.7 MPa)

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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