End-to-End Valve & Fabrication Solutions for Oil, Gas & Energy

DIS is an Oman-based partner for industrial valve services, supply & trading, and custom fabrication. We keep your assets online—safely, compliantly, and on schedule.

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> 1,000

Valves Repaired

> 50

Manifolds & Skids Built

> 97%

On-Time Delivery

What we do

Three Verticals. One Reliable Partner.

From urgent turnarounds to long-term maintenance and new builds, DIS provides integrated services across the asset lifecycle.

🔧 Valve Repair, Overhaul & Testing

Complete refurbishment of industrial valves and manifolds including inspection, machining, lapping, hydro/pressure testing and documentation.

Gate, Globe, Check, Ball, Butterfly, Control, Choke
Pressure Relief Valves (PRVs) – set, test & seal
Manifold re-certification & leak testing
On-site troubleshooting & turnaround support
Test reports & traceability packs

📦 Supply & Trading

Sourcing, stocking and delivery of spares and consumables for maintenance and projects with competitive lead times.

Valve repair kits & trim
New valves (API/ASME classes)
Seals, gaskets & packing
CS/SS/Alloy piping & fittings
Flanges & high-pressure fittings

🏭 Fabrication & Manufacture

Custom metal works—from manifolds and sand management systems to process skids and separators—built to spec with full documentation.

Pressure piping, manifolds & headers
Skids, frames & platforms
Sand Management Systems & separators
WPS/PQR-qualified welding (CS, SS, 4130, etc.)
In-house machining & industrial coatings

Capabilities

Built for Reliability, Speed & Compliance

Our workshop in Rusayl Industrial Area is equipped for high-mix, fast-turn jobs with robust QA and documentation.

📋 Standards

Repairs & testing to API 6A/6D/598, ASME B16.34, NACE MR0175 as applicable.

⏱ Testing

Hydrostatic, pneumatic & functional testing with calibrated gauges.

🧪 Calibration

PRV calibration certificates via ISO/IEC 17025–accredited partner.

Supply & Trading

Products We Source & Stock

Competitive lead times and vetted OEMs to keep your shutdowns on schedule.

🧰 Valve Spares & Kits

Seats, seals, stems, packing
PRV repair kits & springs
Actuators & positioners

🔩 Piping & Fittings

CS/SS/Alloy pipes & bends
Flanges (RF/RTJ), gaskets
High-pressure fittings

⚙️ New Valves

API/ASME gate, globe, check
Ball, butterfly & control
Choke & severe-service

Our Clients

Trusted by operators, EPCs & service companies

Quality & HSE

Assurance You Can Audit

We operate to documented procedures with qualified personnel and calibrated equipment.

Documents we provide

Job card & as-found/as-left reports
Inspection & test plans (ITP)
Hydro/pressure test certificates
Material & heat-number traceability
Manufacturer Data Records (MDR)

We maintain a safety-first workshop with risk assessments, toolbox talks and housekeeping as daily rituals. PPE compliance is mandatory for all personnel and visitors.

Recent Work