Duncan Engineering
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).
- Company typePublic
- Founded1961
- HeadquartersMumbai, India
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
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.
Duncan Engineering firmographics
Firmographics- 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
Duncan Engineering industry classification
Industry- 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
Where Duncan Engineering is headquartered
LocationHeadquarters
- HQ city
- Mumbai
- HQ country
- India
- HQ region
- Asia
Offices2 records
Markets served
Duncan Engineering business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Supply Chain, Personnel, Technology or R&D, Marketing or Sales
Revenue model
- 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.
- Aftermarket and Spare Parts: Strong focus on spares, service, and maintenance supporting the installed base of products across Indian industry.
- 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
Duncan Engineering product offering
Product offeringCore 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
Companies that use Duncan Engineering
Customer profileNamed customers11 records
Segments8 records
Ideal customer profiles5 records
Duncan Engineering technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Duncan Engineering partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- DEL ArabiasubsidiaryDEL 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
Duncan Engineering competitors and assessment
Company assessmentDirect 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
Duncan Engineering social profiles
Digital presenceDuncan Engineering compliance and trust
Trust signalCompliance9 records
Duncan Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
Duncan Engineering leadership team
Management profileNumber of profiles
Profiles4 records
Duncan Engineering subsidiaries and ownership
Company hierarchySubsidiaries1 record
Duncan Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Duncan Engineering M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Duncan Engineering
What does Duncan Engineering do?
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.
Is Duncan Engineering a public or private company?
Duncan Engineering is a public company. It is classified as public and is currently operating.
When was Duncan Engineering founded?
Duncan Engineering was founded in 1961. It employs 101 to 250 people.
Where is Duncan Engineering based?
Duncan Engineering is headquartered in Mumbai, India, in the Asia region.
How does Duncan Engineering make money?
Three revenue lines are on record. Industrial Valves and Actuators Sales are the primary driver. The others are aftermarket and Spare Parts and customized and Engineered Solutions.
Who are Duncan Engineering's main competitors?
Direct peers on record are Velan Inc., Kirloskar Brothers Limited, L&T Valves (Larsen & Toubro) and KSB Limited (India). Broad incumbents are Pentair, Flowserve Corporation, Samson Controls, IMI plc and Emerson Electric (Fisher Controls). Ham-Let Group is listed as an emerging player.
Does Duncan Engineering have an API?
No public API is recorded for Duncan Engineering.
What industry is Duncan Engineering in?
Duncan Engineering's product category is Industrial Valves and Actuators. Its primary akta.pro industry code is IMAHAGAC, Pneumatic Components (FRLs, Cylinders, Valves). Its NAICS code is 332911 and its SIC code is 3050.