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Valves & piping

Dome valve and pipework modernisation

Isolation-valve replacement, reducers and underground pipework connections. Subsequent electrical actuation forms a separate contractual stage.

Project: 1161Project location: Rybitví, CzechiaPeriod: 2026

Delivery scope & origin

Piping modernisation stage; subsequent electrical actuation

EMKO PROJECT s.r.o.

Valve and connecting pipework in the installation pit.

The project in context

Technology in its operating context.

Modernisation of an isolation node serving an operating dome combined valve replacement with underground pipework modifications. The contracted solution replaces an existing DN700 gate valve with a DN500 double-eccentric butterfly valve, including reducers, a dismantling joint and subsequent electrical actuation. The photographs document the piping and installation stage.

Scope of work

  • Isolation-valve replacement and piping-node modifications
  • DN500 butterfly valve, transition pieces and installation connections
  • Coordination of mechanical work with electrical actuation

Execution

Installation work addressed the underground lines and valve installation within the pit. Mechanical and electrical work are divided into consecutive stages.

Isolation node and piping interfaces

Replacing a DN700 gate valve with a DN500 butterfly valve requires transition pieces and a defined installation space. The assembly includes a dismantling joint and new pipework connections.

  • DN500 double-eccentric isolation butterfly valve
  • Diameter transitions and installation connections

Mechanical and electrical stages

The contract separates pipework reconnection, handover of the manually operated valve and subsequent actuator delivery. The electrical scope covers control, a control cabinet and cabling; the photographs document the piping installation stage.

Outcome

Documented piping stage of the isolation-node modernisation. The actuator supply and final electrical operation belong to the subsequent contractual scope.

Installation work on underground pipework within the dome modernisation project.

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Send your drawings, operating parameters or a short description of the change you need. We will review the technical interfaces and propose the next steps towards a quotation, clarifying any missing information with you.

Discuss your requirements ↗Prepare a technical brief →+420 731 771 147info@emkoproject.cz