Manuex Company Nigeria Limited · Masoneilan Authorized Repair Centre · Onne, Rivers State

Minimize plant downtime with certified valve services — in our shop, or in-situ.

Baker Hughes OEM-spec maintenance, in-situ PCV repair, and EVT calibration & testing for PSVs, delivered from our fully commissioned MARC workshop and dispatched to your line anywhere in Nigeria.

Where & How We Operate

Strategic regional support, built on international quality frameworks.

Factory-level valve care, positioned exactly where oil, gas, and power operations need it.

LOC

Strategic Onne Hub

Based in Rivers State, our workshop gives oil, gas, and power plants across the region fast, reliable turnaround.

QMS

ISO 9001 Quality System

Every job runs inside an ISO 9001 quality management framework, so repairs stay traceable, repeatable, and safe.

OEM

Baker Hughes Channel Partner

Manuex Company Nigeria Limited is audited and commissioned directly by the OEM, so every repair meets genuine factory-spec standards.

Core Service Offerings

Every phase of maintenance, under one quality control system.

Multi-brand fleets, handled in our workshop or directly on your line — same standard, either way.

SVC-01 — WORKSHOP

Diagnostic & Workshop Maintenance

Complete inspection, teardown, cleaning, and rebuild of control and safety valves at our MARC facility.

SVC-02 — IN-SITU

In-Situ PCV Repair

Troubleshooting, component replacement, and repair of pressure control valves directly on the line — no piping teardown required.

SVC-03 — EVT / PSV

EVT Calibration & PSV Testing

Electronic valve testing for pressure safety valves, giving you precise calibration data under live operating conditions.

SVC-04 — FINISH

Precision Calibration & Painting

Fine-tuning of digital valve positioners, including Masoneilan SVI units, finished with industrial-grade anti-corrosive coating.

Supported Brands & Models

Baker Hughes specialists. Universal-fleet capable.

Our tooling and technicians cover flagship Baker Hughes lines plus every major third-party manufacturer in your fleet.

Masoneilan

  • Control valves
  • Camflex rotary valves
  • Severe service valves
  • Smart digital positioners

Consolidated

  • Safety relief valves
  • Pilot-operated safety valves
  • Boiler valves

Other Major Brands

  • Full maintenance & rebuild
  • Calibration & EVT testing
  • Multi-brand fleet servicing
Asset Lifecycle

Five steps, start to certified finish.

A transparent workflow for every valve that comes through our shop, or every field team we mobilize.

01

Intake / Mobilization

Secure logging at our Onne hub, or immediate deployment of our field team for in-situ and EVT work.

02

Decontamination & Inspection

Safe cleaning and thorough analysis to identify wear or calibration drift.

03

Reporting & Approval

Precision diagnostics and an upfront repair recommendation before any work begins.

04

OEM Rebuild & Calibration

Assembly with genuine parts, or live instrument tuning with EVT systems for safety valves.

05

Testing & Certification

Strict pressure testing and painting, closed out with formal test certificates to international standards.