Valve Repair, Maintenance, Calibration & Field Services

Safety Angola delivers professional valve repair, maintenance, calibration, and field services for industrial process equipment. Serving oil & gas, petrochemical, power, water/wastewater, manufacturing, and marine industries, we ensure operational reliability, safety, and compliance.

Our team of experienced technicians provides services on-site and in controlled workshops, using industry-standard procedures, testing, and documentation.

At Safety Angola, we offer comprehensive valve services to support optimal performance, high reliability, and safety in your critical operations. We service a wide range of valve types used across FPSOs, production rigs, LNG plants, refineries, petrochemical units, and mining facilities.

Our Services

On-Site Valve Maintenance & Repair Services

TechReliant’s field service team ensures valves operate reliably, minimizing downtime and preventing failures.

Our on-site services include:

  • Preventive Maintenance – Scheduled service to prevent failures and extend valve life.
  • Periodic Maintenance – Regular inspections and functional checks.
  • Start-up Assistance – Commissioning support to ensure valves perform as designed.
  • Diagnostic Services – Troubleshooting and condition monitoring using advanced tools.
  • Technical Assistance & Service – Hands-on field support and problem resolution.
  • Valve Function Testing – Operational testing to verify valve performance.
  • Valve Repairs – Mechanical and actuated valve repairs on-site.
  • Field Retrofits to Existing Valves – Upgrades or modifications for improved performance.
  • Emergency Services – Rapid response for unexpected failures and critical breakdowns.

Valve Repair & Overhaul (Workshop & Field)

We repair a wide range of valve types and sizes, including:

  • Control valves
  • Gate, globe, ball, butterfly, check valves
  • Safety and relief valves
  • Manual and actuated valves

Repair capabilities include:

  • Disassembly, inspection, and failure analysis
  • Replacement of worn parts, seals, and trim
  • Seat lapping and surface restoration
  • Actuator rebuild and calibration
  • Full performance testing before return to service

Valve Calibration Services

Precision calibration ensures accurate control and reliable performance.

Calibration services include:

  • Control valve calibration
  • Positioner & actuator calibration
  • I/P and E/P converter calibration
  • Stroke, travel, and response calibration
  • On-site or bench calibration with traceable certificates
  • Compliance with ISO, IEC, and ASME standards

Field Services & Project Support

Our mobile field teams deliver expert support directly at your facility:

  • On-site valve repair and maintenance
  • Turnaround, outage, and shutdown support
  • Plant commissioning and start-up assistance
  • Valve installation and removal
  • In-line valve testing and diagnostics
  • Field retrofits and upgrades

Safety & Pressure Relief Valve (PSV / SRV) Services

PSVs are critical safety devices. TechReliant provides full lifecycle services to ensure reliable pressure protection.

Services include:

  • Inspection & condition assessment
  • Set pressure testing & adjustment
  • Seat tightness testing
  • Overhaul & refurbishment
  • Certification & documentation
  • On-site and workshop support

Why this matters: Proper PSV maintenance protects personnel, equipment, and operations, while ensuring regulatory compliance.

Testing & Certification Services

Verification and performance testing to meet operational and regulatory requirements:

  • Hydrostatic testing
  • Pneumatic testing
  • Seat leakage & functional testing
  • Calibration certificates and traceable documentation

Technical Support & Consultancy

Expert advice to optimize valve reliability and performance:

  • Valve selection and application support
  • Failure analysis & root cause investigation
  • Maintenance planning & reliability strategy
  • Asset lifecycle management

Valve Types Serviced

We support most valve technologies in industrial applications, including but not limited to:

Gate, Globe, and Check (NRV) Valves

Ball and Plug Valves

Butterfly Valves

Safety Relief & Pressure Relief Valves

Control and Actuated Valves

Choke and Specialty Process Valves

Our team is experienced with valves installed in high-pressure, high-temperature, corrosive, and offshore environments typical of oil & gas and heavy industries.

Service Delivery: Onsite & Workshop

We deliver services both in-field (onsite) and in our fully-equipped workshop:

Scheduled maintenance & shutdown support
Emergency breakdown repair response
Valve recertification & testing before redeployment

Industries We Serve

We specialize in valve service solutions for

Oil & Gas Production Facilities (Onshore & Offshore)
LNG Processing & Liquefaction Plants
Mining and Heavy Industrial Operations
Refineries & Petrochemical Facilities
FPSOs and Floating Assets
Marine & Power Generation Facilities

Why Choose Safety Angola

  • Highly trained and experienced technicians

  • Highly trained and experienced technicians

  • Comprehensive service portfolio: repair, maintenance, calibration, testing, PSV/SRV services

  • Fast response and flexible deployment

  • Safety and compliance-first approach

  • Complete documentation and traceability