Duncan Engineering

What Duncan Engineering does

Duncan Engineering Limited (formerly Schrader Duncan Limited, renamed in December 2016) is a publicly listed Indian industrial company (BSE: 504908) headquartered and manufacturing at Ranjangaon MIDC, Pune, Maharashtra. It operates as the primary industrial subsidiary of AG Ventures, with one wholly-owned regional subsidiary, DEL Arabia, covering Middle East markets. The company designs and manufactures industrial valves (ball, butterfly, knife gate, bulk solids handling), pneumatic and electric actuators (rack & pinion, scotch yoke, linear, electrical), integrated valve automation systems (VAS), directional control valves, pneumatic cylinders, and customised engineered products, alongside off-highway (OTR) tyre valves and accessories for automotive and earthmoving equipment.

The company's technology stack is built around certified mechanical engineering rather than software: products carry AS9100D aerospace certification, SIL 3 safety integrity rating, ATEX explosion protection, PED pressure equipment directive, IECEx, PESO, and ISO 27001 accreditations, supporting qualification in oil & gas, petrochemical, nuclear, power, steel, defence, and aerospace applications. Manufacturing is conducted at a state-of-the-art dust-free, temperature-controlled assembly plant in Pune. The product portfolio spans standard catalogue items to bespoke engineered solutions (control panels, positioner cylinders, BTPC, SADC), with documented wins across marquee Indian enterprises including BPCL, BHEL, NPCIL, JSW Steel, NALCO, NMDC Steel, BEL, BEML, L&T, Thermax, and the Indian Army.

Duncan Engineering generates revenue primarily through one-time industrial product sales (valves, actuators, automation systems) supplemented by aftermarket spares, service, and maintenance contracts, plus customised engineered solutions. GTM is enterprise B2B field sales via a pan-India direct sales office network and channel partner ecosystem targeting both OEM and aftermarket segments. Pricing is quote-based and not publicly disclosed. Leadership comprises Managing Director Akshat Goenka, CFO Kamal Saria, and Head of Sales Gagandeep Singh, with 101–250 employees and approximately Rs 80–110 crore (~$10–13 million) in annual revenue based on recent quarterly disclosures.

Name

Duncan Engineering

Legal name

Duncan Engineering Limited

Website

https://duncanengg.com

Company type

Public

Founded year

1961

Operating status

Operating

Headcount range

101–250 employees

Short description

Duncan Engineering Limited is a publicly listed Indian manufacturer of industrial valves, pneumatic and electric actuators, valve automation systems, and off-highway tyre valves, serving oil & gas, petrochemical, power, steel, defence, and aerospace customers across India and the Middle East (via DEL Arabia).

Ownership category

akta.pro rank

Product category

Industrial Valves and Actuators

NAICS

Industrial Valve Manufacturing (332911), Fluid Power Valve and Hose Fitting Manufacturing (332912), Fluid Power Cylinder and Actuator Manufacturing (333995)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), General Industrial Machinery & Equipment, Nec (3569), General Industrial Machinery & Equipment (3560)

akta.pro primary industry

Pneumatic Components (FRLs, Cylinders, Valves) (IMAHAGAC)

Keywords

• Industrial valve manufacturing
• Pneumatic actuator systems
• Valve automation solutions
• Off-highway tyre valves
• Industrial process automation

Headquarters

HQ city

Mumbai

HQ country

India

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Industrial Valves and Actuators Sales: One-time product sales of industrial valves (ball, butterfly, knife gate, bulk solids handling), pneumatic actuators (rack & pinion, scotch yoke), linear actuators, electrical actuators, and accessories. Products range from standard catalogue items to bespoke engineered solutions.
2. Aftermarket and Spare Parts: Strong focus on spares, service, and maintenance supporting the installed base of products across Indian industry.
3. Customized and Engineered Solutions: Bespoke engineered solutions tailored for demanding applications including custom control panels, positioner cylinders, and specialized valve automation systems.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Duncan Engineering Limited manufactures and supplies industrial valves (ball, butterfly, knife gate, bulk solids handling), pneumatic and electrical actuators, valve automation systems (VAS), pneumatic cylinders, and off-highway tyre valves. The company serves OEM and aftermarket customers in oil & gas, petrochemical, power, steel, water, textile, pharmaceutical, mining, aerospace, and defense industries through engineered standard products and bespoke solutions from its Ranjangaon, Pune facility.

Product overview

Duncan Engineering offers a comprehensive portfolio of industrial valves, pneumatic and electrical actuators, and valve automation systems. The product range centers on Ball Valves (Trunnion Mounted and Floating types), Butterfly Valves (Triple Offset, Centric Design, Double Offset), Knife Gate Valves, and Bulk Solids Handling Valves. These are complemented by Pneumatic Actuators (Rack and Pinion and Scotch & Yoke types), Linear Actuators (ISO Cylinders, Inch Cylinders, Hydraulic Cylinders), Electrical Actuators (QEA/ODL and EQT/OHQ series), and Directional Control Valves. The portfolio also includes VAS (Valve Automation Systems) for integrated automation, Customized Products (Control Panels, Positioner Cylinders, BTPC, SADC), and a complete Accessories line (AFR units, Limit Switch Boxes, Quick Exhaust Valves, Flow Control Valves). The company also serves the automotive segment with Off-Highway Tyre Valves (OTR) including valve extensions, tubeless spuds, and O-rings. All products are supported by the company's state-of-the-art manufacturing facility at Ranjangaon, Pune.

Differentiator

Problem solved

Functional benefit

Brands

• DEL Arabia: Regional market entity for Middle East operations

Products and services

• Ball Valves Precision-engineered ball valves providing tight shutoff and smooth operation in full and reduced bore configurations, suitable for handling gases and liquids under high pressure and temperature in oil & gas, petrochemical, and process industries.
• Butterfly Valves Triple offset, centric, and double offset butterfly valves in soft and metal seated designs offering leak-proof sealing and control in high-pressure and high-temperature applications.
• Knife Gate Valves Industrial knife gate valves for slurry and bulk solids handling, including uni-directional and bi-directional variants for mining, mineral processing, and pulp & paper applications.
• Bulk Solids Handling Valves (BSHV) Specialized valves for handling bulk solids including slide gate valves, swing gate valves, and double flap gates for dry bulk material handling and isolation.
• Rack and Pinion Pneumatic Actuator Rotary pneumatic actuators that convert pneumatic energy into rotary motion for operating ball valves, butterfly valves, and dampers, available in double acting and single acting options.
• Scotch & Yoke Pneumatic Actuator Heavy-duty scotch yoke pneumatic actuators with torque output up to 50000 Nm for critical on/off valve control, with IP66/67 protection, ATEX, PED, CE, and SIL 3 certifications.
• Valve Automation Systems (VAS) Complete valve automation solutions combining actuators with valves and control systems for integrated process control in industrial plants.
• Linear Actuators (Pneumatic and Hydraulic Cylinders) Pneumatic and hydraulic linear actuators including ISO VDMA standard cylinders, inch cylinders, GC cylinders for knife gate applications, and hydraulic cylinders for linear motion control.
• Electrical Actuators (QEA/ODL and EQT/OHQ) Quarter-turn electric actuators including QEA/ODL open/close duty actuators and EQT/OHQ modulating/on-off electric actuators with torque range 50-2000 Nm and IP67 protection, with self-locking worm gear mechanism.
• Directional Control Valves Pneumatic directional control valves for controlling airflow direction in pneumatic systems, including midget, diaphragm, pulse, modular spool, high flow, and poppet variants.
• Customized Products Bespoke engineered products tailored for specific industrial applications including positioner cylinders, control panels, air motor cylinders, burner tilt power cylinders (BTPC), secondary air damper control cylinders (SADC), and stand mount cylinders.
• Off-Highway Tyre Valves (OTR) Automotive and off-highway tyre valves and accessories for earthmoving equipment, dump trucks, graders, wheel dozers, and front end loaders, including high pressure valves, tubeless valves, spuds, and valve extensions.

Quantifiable outcome

• Revenue growth of 20.83% YoY with standalone net sales of Rs 24.82 crore for March 2026
• +1 more outcomes

Named customers11 records

Segments8 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• DEL ArabiasubsidiaryStrategic or Co-development PartnerDEL Arabia appears to be a subsidiary or associated entity of Duncan Engineering, extending the company's presence in Middle East markets.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Velan Inc. Global manufacturer of industrial valves (ball, butterfly, gate, globe, check, specialty) for severe-service applications in oil & gas, power, chemical and mining — directly comparable product portfolio for critical-service valves.
• Kirloskar Brothers Limited: Major Indian manufacturer of industrial pumps and valves serving similar process industries (power, steel, water, oil & gas) with overlapping OEM and project-customer base.
• L&T Valves (Larsen & Toubro): Largest Indian industrial valve manufacturer (ball, butterfly, gate, globe) serving oil & gas, power, petrochemical and process industries with comparable enterprise customers such as BPCL and BHEL. Most direct competitor in Duncan's core segment.
• KSB Limited (India): Indian arm of KSB SE, manufacturing pumps, valves and related systems for industrial, water and process applications — competing directly for the same industrial customers.

Broad incumbents

• Pentair: Diversified flow and filtration solutions provider with industrial valves for water and process applications; comparable in fluid handling product family though broader portfolio.
• Flowserve Corporation: Global leader in flow control products including industrial valves, pumps and seals for oil & gas, power, chemical and water — direct competitor on large refinery/petrochemical valve specifications.
• Samson Controls: Global specialist in control valves and valve automation for process industries; competes with Duncan's VAS offerings on engineered control-valve solutions.
• IMI plc: Global critical flow control specialist with industrial valves and actuators for power, oil & gas, petrochemical and process industries — comparable actuator+valve automation solutions but at much larger global scale.
• Emerson Electric (Fisher Controls): Global process automation leader with the Fisher valve portfolio, serving the same oil & gas, petrochemical, power and process customers as Duncan but as part of a much broader automation, software, and instrumentation portfolio.

Emerging players

• Ham-Let Group: Specialist in fluid systems components — fittings, valves, hoses — for industrial, oil & gas and instrumentation applications. Niche overlap with Duncan's fittings/accessories business rather than full-portfolio competition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights8 records

Customer concentration

• LinkedInlinkedin.com/company/duncan-engineering-limited

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Duncan Engineering