Driven by Excellence

We are a world reputed and India’s leading manufacturer of high-pressure gas cylinder valves.

Our cylinder valves are designed to meet the most stringent global specifications. For 50 years, our name has been synonymous with superior quality, performance, safety, and trust in handling high pressure.

Our extensive in-house facilities are integrated, giving us flexibility and the capability to manage our production to exceed our customer’s expectations seamlessly.

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Our Cylinder Valves

We design and manufacture cylinder valves for a wide variety of applications. These applications require different operating devices, design of the operating mechanism, materials of construction, flow, and pressure rating. Products are classified under each application as per valve series representing a range of valves that share common statutory approval, design standard, materials, and performance characteristics.

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Customized Products

We take pride in offering customized engineering products to a wide range of industries, including gas control equipment, power, defense, and railways.

Our forging and machining shops are well equipped to forge and machine various materials like Stainless steel, Carbon steel, Brass, Copper, Aluminium, Bronze, and Monel as per customer drawing.

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Design Testing of Cylinder Valves

Compressed gases shipped in cylinders vary in their chemical composition and properties. Some are oxidizers, some flammable, and some inert. Gases vary in degrees of corrosivity, toxicity, and pressure. The cylinder valve's primary requirement is to be suitable for its intended use for public safety.

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Design requirements
The design parameters are specified for storage and operating temperature range, materials, dimensions, and connections.
2
Mechanical strength tests
These tests are designed to check the mechanical strength and consist of Proof Pressure, Hydraulic Burst, Mechanical Impact, and Valving torque.
3
Performance tests
These tests are designed to check the functionality and reliability in service. The tests include Excessive Torque, Leak tightness, Endurance, Flow Capacity, and Flame Impingement.
4
Chemical tests
These tests are designed to check the cylinder valve's resistance to corrosive atmosphere and stress corrosion cracking.
5
Special tests
These tests are designed for cylinder valves used in Oxygen and Acetylene service.

Salient Design Features

What is the difference between meeting and exceeding? Between complying and outstanding? Between satisfactory and high quality?

The difference is in the core values. The difference is in the mindset. The difference is in the details. These differences are perfectly reflected in how we design and build our gas cylinder valves. We are pleased to showcase some design features which make our cylinder valves stand out from others because, Your Safety is valued.

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Latest News & Blogs

Tekno Valves in
02-Jul-2022
Tekno Valves introduces BHN-12/N series soft seated master shut off valves in O-ring seal design...
Tekno Valves is pleased to introduce BHN-12/N soft seated master shut off valves in O-ring seal design for high pressure gas manifold, bundles & piping systems for Industrial gases except for Oxygen.
Newsletter - Oc
17-Jun-2022
Newsletter - October 2021-March 2022 (Special Edition)...
Tekno Valves is pleased to publish a Special Edition half yearly newsletter for the period October 2021-March 2022. To read click here
Featured articl
30-Apr-2022
Featured article published in the Annual Packaged Gases Issue of Gasworld...
We are pleased to share our featured article published in the Annual Packaged Gases Issue of gasworld - "On the eve of its annual Packaged Gases Issue, gasworld caught up with Tekno Valves and CEO Ro
Tekno Valves in
29-Apr-2022
Tekno Valves introduces SWN-12/D & TWN-12/D series for Acetylene service...
Tekno Valves is pleased to launch wheel operated cylinder valves in O-ring seal design, specially designed & tested for Acetylene service as per EN ISO 10297:2017 & production tested as per EN ISO 142
Gasworld covers
01-Apr-2022
Gasworld covers our CEO, Rohit Behani’s perspective on the dawn of a new cylinder valve standard...
On the eve of gasworld magazine’s annual Packaged Gases Issue, gasworld covers our CEO, Rohit Behani’s perspective on the dawn of a new cylinder valve standard that is about to disrupt Ind
New Sliding Hea
29-Mar-2022
New Sliding Head Machining Bay...
We are pleased to showcase our new Sliding Head Machining Bay equipped with 4 state-of-the-art Swiss lathe CNC machines. This latest addition to the existing fleet of 8 sliding head machines has inc
11th Euro Chlor
12-Mar-2022
11th Euro Chlor International Chlorine Technology Conference & Exhibition - Warsaw, Poland...
Tekno Valves is pleased to announce its participation as an exhibitor in the 11th Euro Chlor International Chlorine Technology Conference and Exhibition from 3-5 May 2022 at the DoubleTree by Hilton H
Beware of Incor
02-Mar-2022
Beware of Incorrect & Inappropriate Use of “CE” Mark on Cylinder Valves...
This press release is issued in the interest of safety of those who may use cylinder valves bearing “CE” mark in certain cases under the impression that such valves meet European Directive
Gas Association
21-Feb-2022
Gas Association Memberships – Collaboration Redefined...
The DNA of the gas equipment industry is global. The ability of our customers to transport gases is restricted geographically due to operational efficiency. However, the equipment manufacturers are no
Cylinder valve
07-Oct-2021
Cylinder valve technology – Perfect Playground for a Design Engineer...
In 2009, the 31st annual seminar of the All-India Industrial Gas Manufacturers Association (AIIGMA) in New Delhi was inaugurated by Dr A P J Abul Kalam, former President of India. In his keynote sp
Taking Baby Ste
17-Sep-2021
Taking Baby Steps in Social Media...
In May 2020, when our lives were thoroughly disrupted due to the pandemic, my friend and life coach asked me if I would be open to sharing my experience of leading my company in these challenging time
Pressure Relief
22-Jul-2021
Pressure Relief Device activation – Boon or Curse...
Pressure relief devices (PRD) have been used in cylinder valves since the 1930s to protect full cylinders from rupture in a fire. Further pressure-activated PRD's can also protect a cylinder that is o
Use of CNC tech
06-Jul-2021
Use of CNC technology in Cylinder Valve machining...
My first visit to the UK in 2002 involved a meeting with a UK tool supplier in a small English town about 130 miles South East of London. We used to procure cutting tools like chasers and taps from th
Evolution of to
21-Jun-2021
Evolution of torque technology in Assembly and Testing of Gas Cylinder Valves...
On 16th April 2021, an overseas customer reported leakage through the Pressure Relief Device(PRD) threads in sixteen pin index medical cylinder valve threads. Even before investigating the complaint,
Is imitation th
06-Jun-2021
Is imitation the sincerest form of flattery...
In 2008, we at Tekno Valves introduced key-operated soft seat design cylinder valves, KHO-10, for industrial and medical gases in the Indian market after getting approvals from BAM and PESO.The design
Surface finish
17-May-2021
Surface finish of Brass Cylinder Valves ....All that Glitters is not gold....
I recall my meeting with the factory owner of a reputed tool manufacturer in England 20 years back and our discussion on the quality of taper threads. He informed me that he has come across a made in
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