Business Division 02 · Integrated Technical Services

One accountable partner, from the workshop to the platform.

Maintenance, testing, fabrication and site works across refineries, petrochemical, gas and chemical plants. Centralised expertise that raises plant reliability and safety while controlling cost, with commissioning, hands-on training and rapid emergency mobilisation included.

Request a Quote How we work

Delivered under strict HSE compliance

Safety · Schedule · Cost

Every scope is planned with a method statement, JSA and permit-to-work, executed with daily progress reporting, and handed over with test reports, certificates and a full data book.

Business Division 02 at a glance

One accountable partner for maintenance, testing, fabrication and site works across refineries, petrochemical, gas and chemical plants.

Plant Maintenance & Valve MRO

Shutdowns, turnarounds, preventive maintenance and full valve repair

PSV Services

Offline and in-situ testing, refurbishment and certification

LPG Services

LPG equipment supply, inspection and maintenance

Fabrication & Piping

Pipe spools, process piping and structural steel

Tanks, Marine & Confined Space

Storage tanks, jetty works and certified entry teams

Group A

Maintenance & Testing

SERVICE 01 · PLANT MAINTENANCE & MRO SERVICES

Plant Maintenance & Turnaround

Planned turnarounds to in-line valve recovery, delivered by one integrated team for refineries, petrochemical, gas and chemical plants.

Planned turnarounds to emergency call-outs, delivered by one integrated team for refineries, petrochemical, gas and chemical plants, with a focus on safety and a timely return to full operation.

Planned & long-term plant care

Plant shutdown and turnaround
Routine and preventive maintenance
Tank cleaning, desludging and repair
Long-term maintenance contracts
Mechanical specialist support
Plant revamp and rejuvenation

Shutdown execution & field support

Shutdown planning and scheduling for maintenance, inspection or upgrades
Pre-turnaround inspection, kitting & spares
24/7 breakdown and emergency mobilisation
Portable flange facing & cold cutting
Bolt torquing & tensioning of flanged joints
Mechanical manpower support

CodesASME PCC-1ASME B16.5ASME B31.3

Large trunnion ball valve under overhaul

SERVICE 02

Valve MRO & Overhaul

Repair, refurbishment and testing of isolation and control valves, returned to service with traceable test records.

Repair, refurbishment & testing · in our workshop

Gate, globe, check, ball, butterfly, plug & control valves
Body repair by welding, machining and coating
Flange repair and resurfacing
Seat and disc refurbishment with OEM-compatible parts
Full servicing, calibration and testing
Pressure and leak testing (ultrasonic, bubble)

On site

In-situ lapping without pipeline removal
Greasing, stem and actuator maintenance
Gland packing replacement & live-loading
Actuator diagnostics: pneumatic, electric & hydraulic
Single-package turnaround solutions

CodesAPI 598API 6DAPI 6AASME B16.34

Pressure safety valves · ATEX Zone 1 & 2

SERVICE 03

Pressure Safety Valve (PSV) Services

Testing and refurbishment that keeps critical pressure relief devices safe, reliable and compliant, giving operators auditable proof of set pressure and seat tightness.

Offline testing · workshop testing

Removal and workshop testing
Verification against manufacturer specifications
Full disassembly and inspection
Pressure testing with detailed reporting
Cold differential set pressure (CDTP) verification
Seat tightness & back-pressure leak testing

In-situ · Preventest Advance

Hot testing at operating conditions, with no shutdown
ATEX certified for Zone 1 and Zone 2
Precision sensors for set pressure, lift and re-seat
Turnaround PSV campaigns with tag-by-tag tracking

PSV refurbishment · complete overhaul

Full strip-down and overhaul
Seat and disc refurbishment
Spring replacement and calibration
Thermal spray coating, reassembly and testing
Full certification and documentation

CodesAPI 520API 526API 527API 576ASME VIII

Hydrostatic · pneumatic · heat exchanger

SERVICE 04

Pressure Testing & Heat Exchanger Services

Strength and leak testing for valves, spools and live plant lines, plus shell-and-tube exchanger servicing from bundle pull to box-up.

Pressure & piping testing

Hydrostatic & pneumatic testing of valves, spools and fabricated items
Hydro & pneumatic testing of piping systems
Calibrated chart recorders & digital pressure logging
Nitrogen–helium leak detection on critical assemblies
Test packs compiled for client & third-party sign-off

Heat exchangers

High-pressure hydro-jetting of tube bundles
Bundle extraction & re-insertion on site
Tube plugging, leak testing & re-tubing
Shell- and tube-side hydrostatic testing
Box-up with controlled bolt torquing

CodesASME B31.3ASME VIIITEMAAPI 598

LPG cylinder manifold and piping installation

SERVICE 05

LPG Services

Commercial and domestic LPG systems, from equipment supply to inspection and upkeep, by certified gas competent persons.

Supply & equipment · one-stop supply

Bulk, mini-bulk and C200, C50 & F14 cylinders
Valves, regulators, gas meters and vaporizers

Inspection & testing · safety & compliance

Cylinder manifolds, bulk tanks and piping
Relief valve, venting and leak detection checks
Regulator, shut-off and emergency valve tests

Preventive maintenance · reliability

Gauge, flow meter and regulator calibration
Gas detector and ESD function testing
Gas detectors, storage tanks and piping accessories
Requalification, inspection reports and licensing support

StandardMS 830

Group B

Construction & Fabrication

Fabrication, mechanical and piping delivery for Oil & Gas, Petrochemical, Energy, Marine and General Industrial clients, onshore and offshore.

Offshore

Offshore Maintenance

Modification, upkeep and inspection of offshore facilities.

Offshore

Offshore Construction

Platform installations and complex offshore structures.

Projects

Hook-Up & Commissioning

Connect, test, verify and fine-tune systems to standard.

Turnkey

Plant Relocation

Equipment and facilities moved with minimal downtime.

Protection

Blasting & Painting

Surface preparation and coatings for harsh conditions.

Onshore

Onshore Fabrication

Components, spools and complex assemblies for onshore projects.

Turnaround

Plant Shutdown

Planned shutdowns with a safe, timely return to operation.

Onshore

Onshore Maintenance & Construction

From small upgrades to large onshore projects.

SERVICE 06

Fabrication, Piping & Structural Works

High-quality components, process piping and structural assemblies for onshore projects, fabricated by certified welders to qualified procedures and installed on site.

Pipeline fabrication & installation · process piping systems

Carbon steel, stainless, alloy and specialty piping
Pipe spool fabrication and modular assembly
On-site installation for plants, terminals and refineries
Welding to qualified WPS/PQR by certified welders
NDT, PWHT, hydro and pneumatic testing, flushing and chemical cleaning
Mechanical completion, pre-commissioning and integration
Plant modification, rerouting and brownfield tie-ins

Structural steel fabrication · industrial steelwork

Engineering, fabrication and installation of industrial steel
Skids, platforms, pipe racks, walkways, stairs and shelters
Heavy and modular structural assemblies
Cutting, machining, welding, blasting and protective coatings
Site installation, alignment and structural strengthening

CodesASME B31.3ASME IXAWS D1.1ISO 8501-1

Illustration of scaffolded maintenance at an onshore plant

SERVICE 07

Onshore Maintenance & Construction

Routine maintenance, preventive measures and construction work for onshore facilities, from small upgrades to large projects.

Maintenance

Routine and preventive maintenance of onshore plants and terminals
Mechanical, piping and structural repairs
Long-term maintenance contracts with planned call-outs

Construction

Upgrades, extensions and brownfield modifications
Installation of equipment, piping and steelwork
Mechanical completion and handover documentation

Illustration of offshore platform maintenance

SERVICE 08

Offshore Maintenance, Modification & Construction

Keeping offshore facilities reliable and up to standard, and building the structures that operate in offshore conditions, with a focus on quality and safety.

Modification

Upgrading and optimising offshore facilities and structures
Meeting current industry standards and operational requirements

Construction

Offshore structures designed for offshore conditions
Platform installations and complex offshore structures

Maintenance

Regular inspections and preventive measures
Prompt response to issues to keep facilities reliable
Offshore valve, PSV and piping support

Illustration of pipe spools hooked up and systems commissioned

SERVICE 09

Hook-Up & Commissioning

Bringing a project’s components together and proving they work as designed, so systems function as intended and comply with industry standards.

Hook-up phase

Connecting and assembling the project’s components
Mechanical completion and punch-list close-out
Piping, instrument tubing and equipment tie-ins

Commissioning phase

Testing, verifying and fine-tuning systems
Pre-commissioning, start-up support and integration
Hands-on operator training and documentation

Illustration of a process module relocated by heavy-haul trailer

SERVICE 10

Plant Relocation

Relocating industrial plants, including equipment and facilities, with minimal downtime. A turnkey solution covering every stage from planning through execution.

Planning

Site survey, scope and relocation plan
Method statements, permits and schedule agreed with your team

Execution

Dismantling, tagging and preservation of equipment
Transport coordination to the new site
Re-installation, alignment and re-commissioning

Group C

Specialist Services

Illustration of abrasive blasting and protective coating

SERVICE 11

Blasting & Painting

Surface preparation and coatings suited to harsh oil and gas conditions, for corrosion protection and appearance, onshore, offshore and in the marine splash zone.

Blasting phase

Removing contaminants and promoting coating adhesion
Abrasive blasting to SA 2.5 / SA 3.0
On-site blasting of structures and piping

Painting phase

Epoxy, polyurethane & multi-coat protective systems
Thermal spray coatings
Surface profile, DFT & holiday testing
Coating inspection records to client specification

CodesISO 8501-1NACESSPC

SERVICE 12

Tanks, Marine & Confined Space

Storage tanks, jetty works and certified entry teams.

Tanks & terminals

Tank cleaning, desludging and repair
Tank farm valve and piping works
Storage terminal maintenance support

Marine & confined space

Jetty works and marine facility support
Certified confined space entry teams
Permit-to-work, gas testing and standby rescue arrangements

How we work

From enquiry to certificate

The same disciplined sequence for a single gauge or a full turnaround scope.

Enquiry

Send your scope, tag list or MTO. We confirm receipt with a reference number.

Survey & proposal

Site visit where needed, then a clear technical and commercial offer.

Plan

Method statement, JSA, permits and schedule agreed with your team.

Execute

Work in the workshop or on site, with daily progress reporting.

Test & certify

Test reports, certificates and a full data book at hand-over.

Your trusted partner in flow control and technical services

Planning a shutdown, or need a valve back in service?

From routine maintenance to specialised technical services and integrated supply, we help Oil & Gas, Petrochemical, Power Generation, Water and Construction clients operate safely and reliably, backed by global technology partners.

Send us your tag list, MTO or scope. Every request gets a reference number by email, and we normally reply within two working days, faster for breakdowns.

Request a Quote Our offices

Talk to our team +60 88-750 153 sales@tenovasynergy.com project@tenovasynergy.com Headquarters in Kota Kinabalu, Sabah · Regional sales office in Puchong, Selangor