Coimbatore, India

Precision Valve Components, Actuator Assemblies & Pump Solutions

A 4-decade old manufacturing partner serving global OEMs, Fortune 500 leaders and defence-sector clients including Hindustan Aeronautics Limited (HAL), with frugal process engineering and repeatable quality. Exporting directly to USA, France, Austria, China, Japan, Singapore and South America.

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Years Experience

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Pumps Annually

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Skilled Operators

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Diverse Valve Components

Trusted By Global OEMs & Defence-Sector Leaders

3 Fortune 500 OEMs Hindustan Aeronautics Limited (HAL) Global Valve Conglomerates Domestic Pump OEMs

About SKS Accessories

Our Story

SKS Accessories is a premier manufacturing firm based in Coimbatore, India, with over four decades of excellence. The firm prides itself on uncompromising quality, on-time delivery, end-to-end “Art to Part” development, and specialized frugal manufacturing processes. Founded originally to manufacture electrical motors and pumps for the domestic sector, SKS has strategically diversified into specialized hand wheel actuator assemblies and precision valve components.

We operate across two specialized manufacturing units in Coimbatore, powered by 130+ highly skilled personnel who possess a cumulative experience exceeding a century. SKS is a certified self-supplier to multi-national corporations on the Fortune 500 list and to defence-sector organisations such as Hindustan Aeronautics Limited (HAL), maintaining long-standing client partnerships that span from 3 to 30 years.

SKS Accessories CNC machining floor in Coimbatore

CNC & VMC machining floor — SKS Accessories, Coimbatore facility

Core Vision

“SKS focuses on sustainable and profitable growth by earning our customers’ enthusiasm and trust through continuous improvement driven by integrity, teamwork, innovation, and the absolute best customer experience.”

ESG Impact

We are committed to reducing our carbon footprint by transitioning facilities to energy-efficient setups and supporting our local community by sponsoring education and healthcare initiatives via our dedicated family trust.

See our Quality systems →

Two Product Lines, One Precision Standard

Explore our expanded valve component and pump ranges in detail.

Valve Components & Actuator Assemblies

300+ diverse component types across hand wheel actuators, stems, yokes, bonnets and gland assemblies — machined from SS304/SS316, 17-4PH, FG200/FG220, EN8 and more.

View valve components →

Pumps & Motors

120,000+ domestic monobloc pumps built annually from 0.25–1.5 HP, plus in-house motor winding. We do not manufacture submersible pumps.

View pump range →

Serving Every Critical Industry

From flow control to oil & gas and aerospace-grade defence supply, SKS components keep critical systems running.

See all industries we serve

Flow Control

Residential Systems

Defence & Aerospace

Oil & Gas

Ready to source your next component?

Talk to our engineering sales team about drawings, materials and lead times.

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Product Line

Valve Components & Actuator Assemblies

Over 300 diverse valve component types across 10+ product families, engineered from certified raw material and finished to hardness and dimensional tolerances specified by international valve OEMs. Hand wheel actuator assemblies are built primarily for the oil & gas sector, with capability to serve other process industries on request.

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Component Types

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Product Families

DN15–DN1200

Valve Size Range

30–35 HRC

Engineered Hardness

Component Range

A sample of the 300+ valve component variants we manufacture — filter by family below.

Actuators

Hand Wheel Manual Actuators

Fabricated using CNC cut plates, ACME screws, and EN8 machined blocks. Hardening engineered carefully up to 30–35 HRC.

25–30 sub-parts | Hardness 30–35 HRC

Actuators

Side Mounted Gear Assemblies

Models Size 25, 50, 100, IG 253, IG 503 and IG 701. Custom configurations in FG200/FG220 cast elements or sheet-metal tube design.

Size 25 – IG 701 | Custom housing

Actuators

Worm Gear Reduction Boxes

Enclosed gear-reduction actuator housings for high-torque, low-effort valve operation on larger bore sizes.

Ratio 12:1 – 60:1

Stems & Shafts

Actuator Stems & Drive Shafts

Engineered from SS304, SS316, or specialized 17-4PH blocks. Precision outer-diameter grinding integrated across execution runs.

Length 260–540mm | Thread 200–350mm

Stems & Shafts

Extension Spindles

Buried & above-ground extension spindles connecting operator to valve stem, with coupling adaptors for misalignment tolerance.

Custom lengths to 3m

Stems & Shafts

Yokes & Yoke Sleeves

Precision-bored yoke bushings and sleeves in bronze and steel, machined to tight thread-fit tolerances.

Bronze & steel variants

Hardware

Bonnets & Adaptor Plates

FG200/FG220 cast iron and fabricated steel bonnets, machined and drilled to OEM bolt patterns.

FG200 / FG220 castings

Hardware

Gland Packing Assemblies

Bronze and brass gland followers and packing sets machined for reliable stem sealing under pressure.

Brass & bronze

Hardware

Position Indicators & Locking Levers

Open/close indicator plates and locking lever mechanisms for tamper-evident valve operation.

Painted & anodized finishes

Showing a representative sample — full drawing-matched catalogue available on request.

From the Shop Floor

Actual hand wheel actuator assemblies, machined stems, and hardware coming off our lines.

Hand wheel manual actuator assembly, red finish — Hand wheel actuator, painted finish, ready for dispatch

Hand wheel actuator assembly, white finish — Hand wheel actuator assembly with ACME screw and neutral-position indicator

Hand wheel actuator assembly, grey finish — Side-mounted gear bracket assembly with hook mounting

Machined gear bracket sub-assembly — Zinc-plated gear bracket sub-assembly with ACME screw

Machined stems and shafts, blue finish — Painted valve stems and precision-threaded shafts

Bronze and steel machined fittings and shafts — Bronze nuts, connectors and precision-machined shafts

Bevel gear and pinion shaft — Machined bevel gear and matching pinion shaft

CNC-cut mounting bracket plates, pre- and post-finish

Machined steel connector blocks — Precision-machined connector blocks with tapped mounting holes

Materials We Work With

Every component is machined from certified raw material selected against the duty, corrosion resistance and hardness the application demands.

Stainless Steel

SS304, SS316, SS410 and 17-4PH precipitation-hardened blocks for corrosion-critical stems and shafts.

Cast Iron

FG200, FG220 and SG iron castings for actuator housings, bonnets and gear boxes.

Carbon & Alloy Steel

EN8, EN9 and EN24 blocks, through-hardened and ground for actuator stems and drive shafts.

Brass & Bronze

Free-machining brass and phosphor bronze for gland followers, bushings and yoke sleeves.

Aluminium Alloys

LM6 and LM25 die-cast alloys for lightweight indicator plates and covers.

Mild Steel & Sheet Metal

Laser/CNC-cut mild steel sheet, used in frugal-engineered housings that replace complex castings.

Valve Component Capability

The process backbone behind 300+ component types and repeatable, drawing-matched quality.

CNC Turning & Milling

Multi-axis CNC turning centres and VMCs machine stems, bonnets and housings to drawing tolerance in a single setup.

In-House Hardening & Grinding

Controlled heat-treatment to 30–35 HRC followed by precision OD grinding for consistent stem fit and wear life.

Industrial Valve Overrides

Manual control and secure override for automated pipeline elements via rigid torque-delivery hand wheel setups.

Frugal Process Re-engineering

Swapping complex traditional casting models for precision sheet-metal variants, driving down product costs by up to 40%.

See full manufacturing capabilities

Need a drawing-matched component?

Send us your drawing or sample and our engineering team will confirm feasibility, material and lead time.

Request a Quote

Request Quote

Product Line

Pumps & Motors

More than 120,000 domestic monobloc pumps built annually from 0.25–1.5 HP, backed by in-house motor winding and hydraulic performance testing. We do not manufacture submersible pumps.

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Pumps / Year

0.25–1.5 HP

Power Range

3

Monobloc Series

100%

Units Test-Run Before Dispatch

Pump Range

Domestic monobloc pumps from 0.25–1.5 HP for residential water-movement duty. We do not manufacture submersible pumps.

Domestic

Mini Monobloc Pumps

High-efficiency single-phase custom domestic water-moving assemblies built for lasting utility loops.

0.25–1.0 HP | 220–240V

Domestic

Overhead Tank Booster Pumps

Compact self-priming booster sets for rooftop tank feed and residential pressure boosting.

Head to 15m | Flow to 2000 L/hr

Domestic

Self-Priming Pump Sets

Reliable self-priming configurations for light commercial and residential water-transfer duty.

0.5–1.5 HP

Motors

In-House Motor Winding

Custom copper-wound single and three-phase motors matched precisely to pump hydraulic curves.

Single & three-phase

Motors

Die-Cast Motor Housings

Aluminium die-cast housings and end-shields produced in-house for weight and cost efficiency.

LM6 / LM25 alloy

Pump Manufacturing Capability

Our pump lines are supported by the same precision-machining floor that produces our valve components, giving us tight control over dimensional consistency, motor performance and finished-unit testing.

120,000+ unit annual capacity across our domestic monobloc pump range, 0.25–1.5 HP.
In-house motor winding & die-casting, removing dependency on external motor suppliers.
Hydraulic performance test rigs verify head and flow curves before dispatch.
100% test-run of every finished domestic pump before dispatch. We do not manufacture submersible pumps.

SKS Accessories pump and machining assembly floor

Pump Selection Calculator

Get an instant mechanical engineering model recommendation match.

Looking for a custom pump configuration?

Share your head, flow and application details and our team will recommend a build.

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Where We Operate

Industries We Serve

From flow control to defence-grade precision supply, SKS components are built to the standards each sector demands.

Flow Control

Tier-1 source partner for international valve conglomerates.

Residential Systems

Energy-efficient domestic booster lines optimized for utility loops.

Oil & Gas

Our primary sector for hand wheel actuator assemblies, plus heavy-machined stems and connectors designed for high-stress setups.

Defence & Aerospace

Precision components supplied to Hindustan Aeronautics Limited (HAL) under tight tolerance and traceability requirements.

Other Process Industries

While actuator assemblies are built primarily for oil & gas, our capability extends to other process-equipment sectors on request.

Don't see your industry?

We regularly adapt existing designs to new sectors — tell us your application and specification.

Talk to Engineering Sales

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Inside SKS

Manufacturing Capabilities

Two specialized manufacturing units in Coimbatore, 130+ skilled operators and a fully in-house process chain — from raw material to tested, finished component.

SKS Accessories CNC and VMC machining floor

Our Coimbatore Facility

Our machining floor houses CNC turning centres, VMCs and dedicated hardening & grinding lines laid out for continuous flow across the valve component and pump product lines side by side.

Colour-coded floor zones, in-process inspection stations and tool-crib management keep every one of our 300+ component types traceable from raw bar stock to finished, tested part.

Process Capability

CNC Turning & Milling

Multi-axis CNC lathes and VMCs for stems, bonnets, housings and pump components.

Heat Treatment & Hardening

Controlled hardening up to 30–35 HRC for wear-critical stems and drive shafts.

Precision OD Grinding

Tight tolerance outer-diameter grinding for consistent stem and shaft fit.

Motor Winding & Die-Casting

In-house copper winding and aluminium die-casting supporting the pump line.

Sheet-Metal Fabrication

CNC-cut sheet-metal housings replacing complex castings for frugal cost engineering.

In-Process Inspection

Gauge and CMM-based checks at every stage, keyed to the specific component drawing.

Hydraulic Performance Testing

Test rigs verify head and flow curves for every finished pump before dispatch.

In-House Tooling

Fixture and gauge design kept in-house to support fast changeover across 300+ SKUs.

CNC part-marking machine on the shop floor — CNC part-marking station on the Coimbatore shop floor

Assembled hand wheel actuator with service tools — Finished actuator assembly with in-house service wrenches

Hand wheel actuator assembly on test bench — Actuator assembly on the test bench before dispatch

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Years Experience

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Skilled Operators

2

Manufacturing Units

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Component Types Supported

Want a facility audit or capability statement?

We regularly host client audits and can share process documentation on request.

Request Capability Statement

Request Quote

Proof In Practice

Case Studies

A look at how SKS Accessories partners with Fortune 500 OEMs and defence-sector organisations to solve real manufacturing problems.

Defence & Aerospace

Hindustan Aeronautics Limited (HAL)

SKS Accessories supplies precision-machined components to Hindustan Aeronautics Limited (HAL), meeting the tight dimensional tolerance, material traceability and documentation standards required of defence-sector suppliers.

The engagement draws directly on our CNC turning, hardening and precision-grinding capability — the same process chain that supports our valve component range — adapted to aerospace-grade inspection and reporting requirements.

Flow Control

Fortune 500 Valve Conglomerate

A multi-decade partnership supplying hand wheel actuators and side-mounted gear assemblies, where SKS re-engineered a traditional cast housing into a CNC-cut sheet-metal design — cutting unit cost by up to 40% without sacrificing torque rating or hardness specification.

Domestic Pumps

Domestic Monobloc Pump Manufacturing

An in-house domestic monobloc pump line spanning 0.25–1.5 HP, contributing to SKS's 120,000+ pumps built annually, with 100% hydraulic performance testing before dispatch.

Have a similar challenge?

Tell us about your application and we'll walk through feasibility together.

Start a Conversation

Request Quote

Repeatable, Verified

Quality

Uncompromising quality and on-time delivery, backed by in-process inspection at every stage of our 300+ component types and 120,000+ pumps built each year.

Dimensional Control

Drawing-matched gauging and CMM checks at incoming, in-process and final stages for every component family.

Material Traceability

Certified raw material (SS304/316, 17-4PH, FG200/220, EN8/EN9) traceable from mill certificate to finished part — a requirement of our defence-sector supply to HAL.

100% Functional Test

Every finished pump is hydraulically tested; hardened components are hardness-checked to the specified HRC band before release.

On-Time Delivery

Long-standing client partnerships spanning 3 to 30 years, built on schedule reliability across export and domestic shipments.

Documentation on Request

Inspection reports, material certificates and test data packaged to match each client's quality system.

ESG & Sustainability

Ongoing transition to energy-efficient facility setups alongside community education and healthcare support via our family trust.

Need our quality documentation?

We can share sample inspection reports and material certificates on request.

Request Quality Documents

Request Quote

Let's Talk

Contact Engineering Sales

Send a drawing, describe your application, or request a quote — our team typically responds within one business day.

Request a Quote

Full Name

Company

Email

Phone

Product Interest

Message / Specification

Facility

Unit 1:
Iyer Thottam, Sundakkamuthur Road,
Kumarapalayam Post, Coimbatore 641026

Unit 2:
Shed No. 5, SIDCO Industrial Estate,
Malumichampatti, Coimbatore 641050

A new 25,000 sq. ft. modern manufacturing facility is currently under construction to expand our capacity.

Email

sksaccessories@gmail.com
sksaccessories2@gmail.com

Phone

2341648
2346460

Export Markets

USA · France · Austria · China · Japan · Singapore · South America

Precision Valve Components, Actuator Assemblies & Pump Solutions

About SKS Accessories

Our Story

Core Vision

ESG Impact

Two Product Lines, One Precision Standard

Valve Components & Actuator Assemblies

Pumps & Motors

Serving Every Critical Industry

Ready to source your next component?

Valve Components & Actuator Assemblies

Component Range

Hand Wheel Manual Actuators

Side Mounted Gear Assemblies

Worm Gear Reduction Boxes

Actuator Stems & Drive Shafts

Extension Spindles

Yokes & Yoke Sleeves

Bonnets & Adaptor Plates

Gland Packing Assemblies

Position Indicators & Locking Levers

From the Shop Floor

Materials We Work With

Stainless Steel

Cast Iron

Carbon & Alloy Steel

Brass & Bronze

Aluminium Alloys

Mild Steel & Sheet Metal

Valve Component Capability

CNC Turning & Milling

In-House Hardening & Grinding

Industrial Valve Overrides

Frugal Process Re-engineering

Need a drawing-matched component?

Pumps & Motors

Pump Range

Mini Monobloc Pumps

Overhead Tank Booster Pumps

Self-Priming Pump Sets

In-House Motor Winding

Die-Cast Motor Housings

Pump Manufacturing Capability

Pump Selection Calculator

Recommended Model Match:

Looking for a custom pump configuration?

Industries We Serve

Flow Control

Residential Systems

Oil & Gas

Defence & Aerospace

Other Process Industries

Don't see your industry?

Manufacturing Capabilities

Our Coimbatore Facility

Process Capability

CNC Turning & Milling

Heat Treatment & Hardening

Precision OD Grinding

Motor Winding & Die-Casting

Sheet-Metal Fabrication

In-Process Inspection

Hydraulic Performance Testing

In-House Tooling

Want a facility audit or capability statement?

Case Studies

Hindustan Aeronautics Limited (HAL)

Fortune 500 Valve Conglomerate

Domestic Monobloc Pump Manufacturing

Have a similar challenge?

Quality

Dimensional Control

Material Traceability

100% Functional Test

On-Time Delivery

Documentation on Request

ESG & Sustainability

Need our quality documentation?

Contact Engineering Sales

Request a Quote