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DQSV · Technical service

Valve support.
From selection
to operation.

Technical support for valve selection, project delivery and maintenance. Tell us your operating conditions and the support you need.

Discuss your requirements
DQSV pneumatic single-seat control valve
Configuration review

Start with
the operating duty.

Process
Medium, flow, pressure & temperature
Valve
Body, sealing & materials
Actuation
Drive, control & accessories
Support at each purchasing stage

What do you need to move forward?

Choose your stage to see the support scope and the information to prepare.

Service & support

What do you
need help with?

Open a service area to see what is included and what to send us.

Manufacturing & quality
Technical consultation & selection

Operating condition analysis, valve selection and technical consultation for your application.

To get startedInclude the medium, flow, size, pressure, temperature and required valve function.

Request this support
Solution design & customization

Valve configuration proposals and custom designs based on process requirements.

Explore OEM & ODM engineering

To get startedShare your connection standard, material preferences, actuator needs and any dimensional constraints.

Request this support
Manufacturing & quality control

Quality management and inspection throughout production to support product reliability.

To get startedSpecify inspection points, acceptance criteria and the documents required with the order.

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Delivery & site service

Product delivery, installation guidance and on-site technical support within the agreed project scope.

To get startedProvide the installation layout, actuator information, delivery destination and site support needs.

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Spare parts & maintenance

Original spare parts supply and routine maintenance guidance for supplied valves.

To get startedInclude the valve model, nameplate details, service conditions and the parts required.

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After-sales response

Timely technical assistance and troubleshooting to help resolve operating issues.

To get startedDescribe the symptoms, when they occur and any recent changes to operating conditions.

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Project service process

A clear path through your project.

Agree the requirements, the deliverables and the support scope at each stage.

  1. Define requirements

    Medium, flow, pressure, temperature, materials and applicable standards.

    Stage outputAgreed technical requirements
  2. Select & configure

    Valve structure, sealing, actuation, accessories and custom configuration needs.

    Stage outputSelection and configuration proposal
  3. Manufacture & inspect

    Confirm the inspection scope, acceptance requirements and supporting documents.

    Stage outputInspection and product documentation
  4. Deliver & commission

    Check installation direction, connections, actuator wiring and operating travel as applicable.

    Stage outputDelivery and commissioning support
  5. Maintain & optimize

    Review operating feedback, wearing parts and maintenance needs.

    Stage outputMaintenance and spare parts support

Inspection documents, site services and delivery arrangements are confirmed against the agreed project scope.

Documents & inquiries

A useful technical review
starts with the right details.

Product pages include printable specification summaries. For drawings, inspection records or other documents, tell us what your project requires so we can confirm availability.

Browse product documents

Include with your inquiry

New projects
Medium, size, pressure, temperature, connection standard and valve list.
Existing valves
Model or nameplate details, operating conditions, symptoms and required parts.
Send your service requirements

Prepare before you contact us.

Browse selection checklists, installation preparation guides and product specifications in our technical resource library.


Explore technical resources