PACRA · ZRA · ZPPA Registered & Compliant · Zambia

Engineering Solutions. Stronger Tomorrow.

TMBSL delivers end-to-end valve supply, electrical & PLC automation, mechanical & civil works, and fire-fighting systems — engineered to ANSI, API, DIN and ISO standards for power, steel, water, mining, manufacturing and infrastructure.

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Years Experience

Successful Projects

Skilled Professionals

Countries Served

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Engineering to international standards

ANSI 16.10 / 16.11API 6DAPI 608ISO 5208ISO 17292ASME B16.34DIN · JIS · BSRegistered & Compliant

TMBSL engineers reviewing plant drawings on site

2021

Incorporated in Lusaka, Zambia — building a modern supply standard ever since

About TMBSL

Modern suppliers, modern services — engineered without compromise.

Three Modern Business Services Limited (TMBSL) is a professional valve core manufacturer's supplier and engineering solutions provider, delivering full-range ball, gate, globe, check, butterfly, cryogenic and forged steel valves alongside electrical equipment supply and mechanical & civil solutions for global markets.

Headquartered in the heart of Mapepe, Chilanga, Lusaka Province, our products are engineered to ANSI 16.10/16.11, IS/BS/DIN/JIS and ASME/ANSI B16.34 standards, with material selection matched to pressure, temperature and corrosion-resistance requirements — tested to API/BS/DIN protocols.

Our aim — supply ANSI/DIN-certified valves and deliver automation, electrical and civil solutions built on the latest technology.
Our quality — zero leakage. We produce the best valve, every time.
Our vision — grow with global partners toward our own manufacturing units for mineral water, silica sand and steel projects.

"Integrity management, quality first, service creation value." — TMBSL Philosophy

Our Capabilities

Years Experience

Successful Projects

Skilled Professionals

Countries Served

Industries We Serve

Built for the sectors that build everything else.

From power generation to steel, mining, manufacturing and municipal water systems — TMBSL delivers integrated engineering, equipment supply and technical solutions that keep critical infrastructure running.

Power & Utilities

Powering Progress

Power plant solutions, HT/LT electrical systems, SCADA & control automation, maintenance and renewable integration.

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Steel

Built on Strength

Steel equipment supply, process & plant solutions, automation & control, and full project execution.

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Water & Environment

Pure Solutions

Water & wastewater treatment, desalination, RO/UF/ETP plants, civil works, and resource-conscious engineering.

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Mining

Powering Mining. Empowering Futures.

Mining equipment supply, process & plant solutions for crushing, conveying and mineral processing, maintenance & reliability, and sustainable mining practices.

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Manufacturing

Engineering Excellence. Manufacturing Success.

Automation & control with PLC/SCADA, process optimisation, proactive maintenance, equipment supply and end-to-end project execution.

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What We Do

Five disciplines. One accountable supplier.

TMBSL specializes in valve solutions for the flow-control industry, backed by machining, assembly, testing and inspection capability — extended across electrical, automation, civil and fire-safety works.

Ball Valve

Top-Entry Ball Valve

Model SQ*47F/HSize NPS 2 – 56Class 150 – 2500Std. API 6D · API 608 · ISO 17292

Ball Valve

2-PCS Ball Valve

Model Q*41F/HSize NPS 1/2 – 10Class 150 – 2500Std. API 6D · BS5351

Ball Valve

3-PCS Ball Valve

Model Q*47F/HSize NPS 2 – 60Class 150 – 4500Std. API 6D · ISO 17292

Ball Valve

Fully Welded Ball Valve

Model QH*67FSize NPS 2 – 60 / DN50 – DN1500Class 150 – 2500Use Water, petroleum, gas, CNG

Ball Valve

Lock Hopper Ball Valve

Model Q*49HSize NPS 3 – 24Class 150 – 900Use Water-coal slurry service

Ball Valve

Water & Electricity Ball Valve

Model YQ47FSize NPS 20 – 80Class 150 – 600Op. Hydraulic, mis-operation lock

Gate Valve

Wedge Gate Valve

Model Z40HSize NPS 2 – 60 / DN50 – DN1500Class 150 – 2500Std. API 600 · ASME B16.34

Gate Valve

Non-Rising Flat Gate Valve

Model Z47H(F)Size NPS 2 – 60 / DN50 – DN1500Class 150 – 2500 / 2 – 42 MPaUse Oil & natural gas

Gate Valve

Pressure Self-Sealing Gate Valve

Model Z541YSize NPS 2 – 48 / DN50 – DN1200Class 600 – 2500Use Power plant, oil, chemistry

Gate Valve

Flat Gate Valve

Size NPS 2 – 48 / DN50 – DN1200Class 600 – 2500 / 10 – 42 MPaSeal Soft seal & metal-to-metalStd. ASME B16.34 · API 6D

Gate Valve

Main Steam Gate Valve

Model Z942YSize NPS 2 – 48 / DN50 – DN1200Temp. −29°C to 610°CUse Power plant main steam

Globe Valve

Globe / Switch Valve

Model J41HSize NPS 2" – 24" (DN50 – DN600)Class 150 – 2500 (PN20 – PN420)Std. API 623 · BS 1873

Check Valve

Swing Check Valve

Model H44H/XSize 2" – 60" (50 – 1500 mm)Class 150 – 2500Std. API 6D · API 594 · BS 1868

Check Valve

Dual Plate Check Valve

Model H46H/XSize NPS 2" – 48" (DN50 – DN1200)Class 150 – 2500 (PN20 – PN420)Op. Automatic

Butterfly Valve

Centerline Butterfly Valve

Model D41X/FSize NPS 2" – 48" (DN50 – DN1200)Class 150 – 300 (PN20 – PN50)Use Water, sewage, steam, food

Butterfly Valve

Triple Eccentric Butterfly Valve

Model D343H/XSize NPS 2" – 72" (DN50 – DN1800)Class 150 – 900 (PN20 – PN150)Use Water works, power, steel

Cryogenic

Cryogenic Ball Valve

Model DQ41/7FSize NPS 1/2 – 24Temp. −196°C to 121°CUse LNG, liquid nitrogen

Cryogenic

Cryogenic Gate Valve

Model DZ40HSize NPS 2 – 48 / DN50 – DN1200Class 150 – 2500Std. API 600 · API 6D · BS 6364

Cryogenic

Cryogenic Globe Valve

Model DJ41HSize NPS 2 – 24 / DN50 – DN600Class 150 – 2500Std. BS 1873 · BS 6364

Forged Steel

Forged Gate / Globe / Check

Models Z11/41H · J11/41H · H11/41HSize NPS 1/4" – 2" (DN8 – DN50)Class 150 – 2500 (PN20 – PN420)Use Oil, gas, power station

Water System

Pressure Balance Plug Valve

Model X47W-150LB (RF)Size NPS 2 – 24Class 150 – 2500Use Water, oil, natural gas

Materials include WCB, A105, LCB, LF2, CF8, F304, CF8M, F316, F11, F51, F53 and Inconel 625 — selected to your pressure/temperature limits and corrosion requirements. Full technical datasheets available on request via sales@tmbsl.com.

Power Solutions

Diesel/gas gensets 7.5–3000 KVA, oil & dry-type transformers, package substations up to 2000KVA/33KV.

HT/LT Switch Boards

PCC, MCC, AMF panels, synchronization/load-sharing panels, capacitor panels & main distribution boards.

PLC / DCS / HMI Automation

Automation solutions with ABB, Siemens, Schneider Electric, Mitsubishi, Rockwell, Honeywell, Omron, L&T & Wonderware.

Turnkey Electro-Mechanical

All electro-mechanical services with customer choice of protection, metering, control & SCADA interface.

Bus Ducts & Rising Mains

AC/DC drives, VFDs, thermal overload relays, contactors, MCCBs and instrument transmitters.

Robust Remotes & Sensors

Full range of sensors and remote instrumentation for real-time monitoring & process optimisation.

Civil Engineering Works

General building contracting: new builds, renovations & extensions with reinforced-concrete construction.

Finished Steel Supply

Plate, strip, rod, profile, wire & tube — supplied for construction and fabrication projects.

Project Management

Construction project management and building maintenance services from concept to handover.

Skilled Trades

In-house bricklaying, roofing, painting, plumbing, plastering, tiling and paving crews.

Quality Assurance

Intensive training programmes and a defined quality-management system for every engagement.

Labor-Only Contracts

Main-contractor role for small-to-medium projects, or labor-only breakdown on client-supplied materials.

Fire Extinguishers

Portable & high-capacity wheeled extinguishers — water, foam, powder, CO₂ & wet-chemical types.

Suppression Systems

Water-based, gas-based (FM200), foam-based and powder-based fire-suppression systems.

Detection & Alarm

Intelligent addressable fire detection & alarm systems, early-warning networks and monitoring.

Hydrants & Sprinklers

Landing valves, brigade connections, hose reels/cabinets, fire hydrants & sprinkler networks.

Risk & Design Engineering

Hazard analysis, risk assessment, design engineering, installation, commissioning & maintenance.

Surveillance & Alarm

Camera surveillance systems and theft-alarm networks for occupied and new-build premises.

Why TMBSL

Listening to customers, delivering prompt, engineered solutions.

Our manufacturing supplier network is equipped with machining, assembling, testing and inspection capabilities — backed by a sound, experienced infrastructure team, applied across power, steel, water, mining and manufacturing.

International-standard engineering

Products designed to meet and exceed market expectations, tested to API/BS/DIN protocols.

Precision investment casting

Our own precision-investment process, built on the latest processing technology.

Safety-first culture

Zero compromise on safety for people, assets, communities and the environment — on every site.

Single accountable partner

From valves to switchboards to civil works — one supplier, one point of accountability.

Precision manufacturing and quality inspection line

Zero Leakage. Best Valve, Every Time.

How We Work

From enquiry to commissioning, delivered end-to-end.

One proven process across every discipline — valves, electrical & automation, mechanical & civil works, fire systems and supplies.

Consult & Assess

We review your scope, site conditions and applicable standards — from flow-control specifications to electrical loads, civil scope or fire-risk assessment.

Materials specified to project requirements

Engineer & Specify

Equipment, materials and designs are matched to your technical requirements, budget and compliance standards across every discipline.

Supply & Install

Certified products supplied and installed by trained technical, safety and EHS teams — valves, panels, civil works or fire systems.

Commission & Support

Testing to the relevant international standards, commissioning and handover — with ongoing monitoring & maintenance support.

TMBSL team collaborating on the workshop floor

We're building the team behind a stronger tomorrow

Careers at TMBSL

Grow your career where industries grow.

Join a team of 150+ skilled professionals working across valves, electrical & automation, civil works and fire systems — with real projects, real responsibility and real growth.

Safety-first workplaces

Structured EHS practices, workers' compensation cover and trained safety teams on every site.

Training & development

Intensive development programmes that raise performance and build careers across trades and engineering.

Multi-industry exposure

Power, steel, water, mining and manufacturing projects across Zambia and beyond.

Submit your CV

Email your CV with your full details — name, contact number, position of interest, qualifications and experience — to careers@tmbsl.com, or use the quick form below.

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