MEI Precision Flow Tech LLP logo
Precision industrial valve gearbox by MEI Precision Flow Tech
An MEI Group Enterprise

Precision Engineering
in Motion.

Manufacturers of valve actuators, valve gearboxes, manual override actuators and VCB gearboxes — alongside precision-engineered components for industrial, energy and process applications worldwide. Six decades of metallurgy, machining and assembly built into every drive we ship.

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Years of MEI group heritage
0 Lakh+
Gearboxes delivered
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Countries served
ISO 9001
Certified by TÜV NORD
0.0%
Rejection rate
Who We Are

Six decades of precision, engineered for the world.

MEI Precision Flow Tech LLP is a precision-engineered components manufacturer specializing in gears for transmission, gearboxes for valve manufacturing, and custom manufacturing components. A sister concern of Manjunatha Engineering Industries, we are proud to be part of the wider MEI Group — built on 60+ years of MEI group engineering heritage, established in Bangalore, Karnataka, India.

We deliver innovative, reliable products tailored to diverse industry needs.

MEI Precision manufacturing facility in Bangalore

Our Mission

To deliver superior-quality engineering solutions that drive efficiency and performance for our clients, maintaining precision, durability, and innovation in all our products.

Our Vision

To become a globally recognized leader in industrial components manufacturing by continuously evolving with cutting-edge technology and sustainable practices.

What We Do

Engineering capabilities that scale globally.

Valve Actuators, Valve Gearboxes & VCB Drives

High-performance gears and precision-engineered gearboxes for vacuum circuit breakers, industrial valves, oil & gas, petrochemicals, pharmaceuticals, marine, mining and fluid-control applications.

Aerospace & Defence Components

High-precision components meeting the most stringent quality and tolerance requirements of aerospace and defence applications.

Custom Manufacturing Components

Engineered solutions tailored to specific client requirements for specialized industrial applications.

Products · Catalogue

Engineered families,
delivered at scale.

Three product families. Hundreds of variants. Every part designed, machined and audited inside our Bangalore facility.

Alloy-steel input shafts, axial bearings, epoxy primer & powder-coated handwheels. Stroke 0°–90° (±5°), declutch mechanism. Torque range 250 – 350,000 Nm.

MO Series · Full Range — Valve gearbox – all sizes from MEI Precision Flow Tech
MEI · Valve Gears

MO Series · Full Range

Valve gearbox – all sizes

MT Series Valve Operation — Quarter-turn gears & actuators from MEI Precision Flow Tech
MEI · Valve Gears

MT Series Valve Operation

Quarter-turn gears & actuators

MO Series · Gearbox Ranges — Compact to high-torque from MEI Precision Flow Tech
MEI · Valve Gears

MO Series · Gearbox Ranges

Compact to high-torque

MO Series · Handwheel Models — Manual override drives from MEI Precision Flow Tech
MEI · Valve Gears

MO Series · Handwheel Models

Manual override drives

Actuator Gear Box Assembly — Quarter-turn drive from MEI Precision Flow Tech
MEI · Valve Gears

Actuator Gear Box Assembly

Quarter-turn drive

Actuator Gearbox for Gate Valves — High-torque envelope from MEI Precision Flow Tech
MEI · Valve Gears

Actuator Gearbox for Gate Valves

High-torque envelope

Rack & Pinion Shafts — Pneumatic actuators from MEI Precision Flow Tech
MEI · Valve Gears

Rack & Pinion Shafts

Pneumatic actuators

Face Gear & Sprocket Assembly — Made-to-spec drives from MEI Precision Flow Tech
MEI · Valve Gears

Face Gear & Sprocket Assembly

Made-to-spec drives

Agricultural Tiller Shafts — Tractor gearbox shafts from MEI Precision Flow Tech
MEI · Valve Gears

Agricultural Tiller Shafts

Tractor gearbox shafts

M-TORK · Valve Automation

One stop solution for flow, pressure control and valve automation.

Four engineered series cover the full duty spectrum — from compact manual quarter-turn operators to multi-turn bevel gearboxes with electric-actuator interfaces. Every unit is cast-iron-housed, grease-filled for life and IP-65/67 sealed for the harshest plant environments.

Product Applications
Oil & GasPetrochemicalPower — Coal · Gas · NuclearSolar PowerSteelPaper & PulpChemicalAgrochemicalFertiliserEdible OilPharmaPaintTyreWater Treatment PlantsEffluent Treatment PlantsUtilities
MT Series — Quarter-Turn Worm Gear Operators from MEI Precision Flow Tech
MT SERIES

MT Series — Quarter-Turn Worm Gear Operators

Manual operation · 24 models · up to 1,00,000 Nm

Quarter-turn devices to operate butterfly, ball, plug valves and dampers. Robust industrial-grade with cast-iron housing, compact envelope, epoxy-primer coated and high-performance axial bearings. Well suited for chemical, power, oil & gas, waterworks, sewage, HVAC and general industrial applications.

Features
  • 24 models up to 1,00,000 Nm output torque
  • Alloy-steel input shafts
  • Rugged cast-iron housing
  • High-performance axial bearings
  • Epoxy primer coating
  • Powder-coated handwheels
  • Stroke 0° to 90° (±5°)
Options
  • Locking arrangement
  • Housing: Ductile Iron / Carbon Steel / Stainless Steel
  • Worm wheel: Aluminium Bronze
  • Shaft, hardware & handwheel: Stainless Steel
Specifications
  • Enclosure IP-65 & IP-67
  • High-performance grease filled (NLGI-2)
EA Series — Quarter-Turn Operators for Electrical Actuation from MEI Precision Flow Tech
EA SERIES

EA Series — Quarter-Turn Operators for Electrical Actuation

Electric actuation · 19 models · up to 85,000 Nm

Quarter-turn devices suitable for electrical actuation of butterfly, ball, plug valves and dampers. Similar to the MT series but with higher-grade materials and surface treatment of internals — engineered for continuous electric-actuator duty.

Features
  • 19 models up to 85,000 Nm output torque
  • Heat-treated worm shafts
  • Surface-hardened worm wheels
  • High-performance axial bearings
  • Epoxy primer coating
  • Stroke 0° to 90° (±5°)
  • Compatible with all electrical actuators
Options
  • Housing: Ductile Iron / Carbon Steel / Stainless Steel
  • Worm wheel: Aluminium Bronze
  • Shaft & hardware: Stainless Steel
Specifications
  • Enclosure IP-65 & IP-67
  • High-performance grease filled (NLGI-2)
MOR Series — Quarter-Turn Manual Overrides for Pneumatic Actuation from MEI Precision Flow Tech
MOR SERIES

MOR Series — Quarter-Turn Manual Overrides for Pneumatic Actuation

Manual override · 10 models · up to 5,000 Nm

Manual overrides for pneumatically-actuated valves. Robust industrial-grade cast-iron construction, compact design, optimum ratios for reduced operator effort, with a smooth and easy clutch–declutch mechanism.

Features
  • 10 models up to 5,000 Nm output torque
  • Alloy-steel input shafts
  • High-performance axial bearings
  • Epoxy primer coating
  • Powder-coated handwheels
  • Stroke 0° to 90° (±5°)
  • Smooth clutch–declutch mechanism
Options
  • Locking arrangement
  • Housing: Ductile Iron / Carbon Steel / Stainless Steel
  • Worm wheel: Aluminium Bronze
  • Shaft, hardware & handwheel: Stainless Steel
Specifications
  • Enclosure IP-54 (IP-65 optional)
  • High-performance grease filled (NLGI-2)
BG Series — Multi-Turn Bevel Gear Operators from MEI Precision Flow Tech
BG SERIES

BG Series — Multi-Turn Bevel Gear Operators

Manual & motorised · 15 models · up to 3,800 Nm / 1,100 kN thrust

Multi-turn devices to operate gate, globe, sluice and penstock valves. Every model is suitable for manual as well as motorised operation. Standard ISO 5211 input (actuator-side) and output (valve-side) mounting flanges across the range, with a removable stem adaptor to simplify spindle machining and customer stocking.

Features
  • 15 models up to 3,800 Nm and 1,100 kN thrust
  • Grease-filled for life
  • Fully sealed gearbox & completely enclosed gearing
  • Multiple gear ratios for varied applications
  • Removable stem adaptor
  • Spur & bevel combinations available
  • Epoxy primer coating
  • Powder-coated handwheels
Options
  • Locking arrangement
  • Housing: Ductile Iron / Carbon Steel / Stainless Steel
  • Stem adaptor: Aluminium Bronze
  • Shaft, hardware & handwheel: Stainless Steel
Specifications
  • Enclosure IP-65 & IP-67
  • High-performance grease filled (NLGI-2)
Need custom specs? Drawings, materials and torque envelopes welcome.
Request a quote
Industries · Applications

Built for the world's
critical infrastructure.

Our drives ship into the industries that can't afford downtime — power transmission, hydrocarbons, water treatment and heavy process plants on four continents.

Power & Utilities

VCB & switchgear drives for grid operators

Oil & Gas

Valve actuators and gearboxes for upstream & midstream

Petrochemical

High-torque gearboxes for reactor lines

Water & Wastewater

Manual override actuators for treatment

Steel & Cement

Heavy-duty drives for process plants

Renewables & HVAC

Precision components for OEM systems

Why Choose Us

Eight reasons
buyers stay with MEI.

MEI engineer inspecting a precision gearbox assembly on the shop floor
On the floor
Precision is a daily discipline.

Prototypes & Products

From design to production in one place.

Manufacturing Experts

Decades of shop-floor know-how.

ISO 9001:2015 Certified

Audited by TÜV NORD.

Dun & Bradstreet Listed

Verified business credentials.

Highly Skilled Task Force

Engineers, machinists, QC specialists.

Versatile Manufacturing

Wide range of materials & tolerances.

0.7% Rejection Rate

Industry-leading first-pass yield.

Customer-Centric

Long-term partnerships, not transactions.

Inside the plant

Built on world-class infrastructure.

CNC Turning Cells
Facility
CNC Turning Cells
BFW Agni VMC
Facility
BFW Agni VMC
Torque Testing & Assembly
Facility
Torque Testing & Assembly
Quality · Compliance

Audited. Tested. Documented.

Every gearbox leaving our Bangalore facility carries a documented torque-test report, material traceability and dimensional inspection record.

ISO 9001:2015
Quality management — certified by TÜV NORD
Material traceability
Mill certificates on every batch
100% load tested
Torque-tested before despatch
OEM-approved
Vendor to Siemens, BHEL, GE & tier-1 OEMs
Our Clients

Trusted by global industry leaders

Six decades of precision engineering have earned the confidence of switchgear, valve, energy and process majors across India, Europe and North America.

Our clients — Siemens, BHEL, DelVal Flow Controls, Intershlye Poonawalla, El-O-Matic India, Bray, Oliver Valves, Megawin, SCS, E Square Switchgears, Larsen & Toubro, Bosch, Switch Gear, GEA, Xylem, Costa Levigatrici, MOOG and GE

ISO 9001:2015 certified by TÜV NORD · Dun & Bradstreet listed

Client Voices

Trusted by engineers who run the grid.

Procurement heads, EPC directors and valve OEMs on why they specify MEI gearboxes and actuators.

Verified OEM Partner
"MEI has delivered high-precision VCB gearboxes with less than 1% rejection over the last 30+ years. Their components are known throughout our supply chain for consistent quality, on-time delivery and responsive engineering support."
S
Siemens
Mumbai, India
Verified OEM Partner
"For more than a decade MEI has been our best supplier for critical VCB mechanism components. Their reverse-engineered 3AF motor-operator assemblies and BHEL legacy parts are relied on for quality, reliability and exact dimensional conformance."
B
BHEL
Bhopal, India
Verified OEM Partner
"MEI developed the most critical components for our high-cycle butterfly valve actuators — custom bevel-gear override units that had to survive desert desalination conditions. Prototype to production in six weeks, every torque value within 3% of spec."
DF
DelVal Flow Controls
Pune, India
Verified OEM Partner
"On large-scale EPC power-distribution projects, MEI's stored-energy VCB gearboxes and manual override actuators are specified as standard. Their material traceability, 100% load testing and documentation are best-in-class."
L&
Larsen & Toubro
Chennai, India

Every testimonial references documented purchase orders and torque-test records on file.

Global Presence

Two continents. One standard of precision.

🇺🇸
United States
MEI Gears and Valves

Your local point of contact for North America — US-registered entity for seamless contracting, USD invoicing, and responsive sales and support.

🇮🇳
India
MEI Precision Flow Tech LLP

60+ years of MEI group precision-engineering heritage. ISO 9001:2015 certified, Dun & Bradstreet listed manufacturing in Bangalore.

Our Group

The Manjunatha Engineering Industries Group

This Company

MEI Precision Flow Tech LLP

Gears, valve gearboxes & custom components

Bangalore, India
This Company

MEI Gears and Valves

Sales & distribution for North America

USA

MEIPL

Manufacturing

Hosur, India

Manjunatha Engineering LLP

Engineering group entity

India

Balambikai Industries

Industrial manufacturing

India

Sree Balambikai Industries

Industrial manufacturing

India
Contact

Let's discuss your project.

Send us an enquiry and our team will respond within one business day.

🇺🇸
United States
MEI Gears and Valves
101 Landry Street, Georgetown, Texas, USA
+1 978 429 6061
🇮🇳
India
MEI Precision Flow Tech LLP
# 90/5, 12th Main, Magadi Road, Industrial Town, Bangalore – 560010
+91 951333 1333
contact@meiprecisionflowtech.com
www.meiprecisionflowtech.com