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DQSV Gas Wellhead Control-Shutoff Integrated Valve
DQSV · Flow control

Gas Wellhead Control-Shutoff Integrated Valve

A gas wellhead valve combining flow regulation, emergency shutoff and interlock functions. Define process conditions, pneumatic or intelligent control requirements and the project protection scope.

SIZE RANGEDN25 ~ DN50
PRESSURE RATINGPN16 ~ PN64

Confirm the selected configuration and operating limits with DQSV before ordering.

Gas Wellhead Control-Shutoff Integrated Valve specifications
Nominal DiameterDN25 ~ DN50
Nominal PressurePN16 ~ PN64
Working Temperature-29°C ~ 121°C
Applicable MediumNatural gas, oil gas, water
Control ModePneumatic / intelligent
ConnectionFlanged
Explosion ProtectionEx d IIC T6 Gb
Protection GradeIP66
ApplicationGas wells, gathering pipelines

Product views

Gas Wellhead Control-Shutoff Integrated Valve — Front view
Front view
Gas Wellhead Control-Shutoff Integrated Valve — 45° view
45° view
Gas Wellhead Control-Shutoff Integrated Valve — Side view
Side view
Gas Wellhead Control-Shutoff Integrated Valve — Rear view
Rear view
Gas Wellhead Control-Shutoff Integrated Valve — Top view
Top view
Gas Wellhead Control-Shutoff Integrated Valve — Bottom view
Bottom view

Product features

  • Integrated control and shutoff: combines flow regulation with emergency shutoff.

  • Smart control: supports remote monitoring, interlock and automation.

  • Excellent sealing: optimized critical sealing structure reduces leakage risk.

  • Fast response: suitable for wellhead safety protection.

  • Compact structure: high integration and convenient installation.

  • Easy maintenance: modular design simplifies repair and replacement.

Product section views

Gas Wellhead Control-Shutoff Integrated Valve — Longitudinal section
Longitudinal section
Gas Wellhead Control-Shutoff Integrated Valve — Transverse section
Transverse section
Gas Wellhead Control-Shutoff Integrated Valve — Valve core cutaway
Valve core cutaway
Gas Wellhead Control-Shutoff Integrated Valve — Sealing structure detail
Sealing structure detail
Gas Wellhead Control-Shutoff Integrated Valve — Isometric view
Isometric view

Core components

Gas Wellhead Control-Shutoff Integrated Valve — Handwheel
Handwheel
Gas Wellhead Control-Shutoff Integrated Valve — Adjusting rod
Adjusting rod
Gas Wellhead Control-Shutoff Integrated Valve — Bonnet
Bonnet
Gas Wellhead Control-Shutoff Integrated Valve — Valve body
Valve body
Gas Wellhead Control-Shutoff Integrated Valve — Ball trim
Ball trim
Gas Wellhead Control-Shutoff Integrated Valve — Sealing ring
Sealing ring
Gas Wellhead Control-Shutoff Integrated Valve — Actuator
Actuator
Gas Wellhead Control-Shutoff Integrated Valve — Pneumatic-hydraulic control module
Pneumatic-hydraulic control module
Gas Wellhead Control-Shutoff Integrated Valve — Filter
Filter
Gas Wellhead Control-Shutoff Integrated Valve — Solenoid valve assembly
Solenoid valve assembly
Gas Wellhead Control-Shutoff Integrated Valve — Pressure sensor
Pressure sensor
Gas Wellhead Control-Shutoff Integrated Valve — Limit switch box
Limit switch box
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