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.
Mechanical strength tests
These tests are designed to check the mechanical strength and consist of Proof Pressure, Hydraulic Burst, Mechanical Impact, and Valving torque.
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.
Chemical tests
These tests are designed to check the cylinder valve's resistance to corrosive atmosphere and stress corrosion cracking.
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

6th July 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...
23rd Jun 2021
Stainless Steel Cylinder Valves in Diaphragm Design for Speciality Gases (SSWN-32/V)
Stainless Steel Cylinder Valves in Diaphragm Design for Speciality Gases. Certified to EN ISO 10297:2017 and CG V-9:2019 by BAM, Berlin...
21st June 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...
6th June 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...
24th May 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...
17th 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...
28th Apr 2021
Update: 2nd COVID Wave & Medical Oxygen Demand
With India kicking off the world’s most extensive vaccination program on 16th January 2021 and the total number of active COVID-19 cases around hundred and fifty thousand and daily cases...
11th April 2021
History of High-Pressure testing of gas cylinder valves
Portable metal cylinders have been used to store and transport compressed and liquefied gases from as far back as 1810...
16th Mar 2021
SWN-12/O receives CGA V-9:2019 certification
Tekno Valves is pleased to announce the approval of SWN-12/O design to CGA V-9-2019 by BAM. SWN-12/O is wheel operated valves in O-ring seal design...
13th March 2021
Lubricants and Cylinder valves
The action of applying a substance such as oil or grease to an engine or component so as to minimize friction and allow smooth movement...
5th March 2021
PTFE tape vs. Paste as Thread Sealant for Taper threads
Taper threads require a thread sealant for lubrication to prevent damage from galling and seizing during assembly. Thread sealants also fill any voids between the two threads that could cause a spiral leak...
10th Feb 2021
Tekno Valves introduces RBA-10/I series
Tekno Valves is pleased to introduce Handwheel operated Right-angled valves for Breathable air for Self Contained Breathing Apparatus (SCBA) in RBA-10/I...
10th Feb 2020
Series HBA-10/I for SCBA application now available with EN 144-1:2018 and EN 144-2:2018 certification and with inbuilt Pressure Gauge
Tekno Valves is pleased to announce compliance of HBA-10/I design valves...
19th Nov 2019
Tekno Valves introduces BOWN-12/O, BOWN-12/N and BOWN-12/C series
Tekno Valves is pleased to offer new generation Offline Residual Pressure Valve (RPV) with Non-Return Valve in BOWN-12 series...
05th Sep 2019
Gases and Welding Distributors Association (GAWDA) Annual Convention 2019 in Washington DC
Tekno Valves is pleased to announce its participation in '2019 GAWDA Annual Convention...
13rd Aug 2019
Gas Industries Association (GIA) Seminar 2019 on Oxygen Safety in Hyderabad
Tekno Valves is pleased to announce its participation in GIA as a platinum sponsor for the event...
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