COI TECHNOLOGY has been operating for over 40 years in the field of pressurized systems and specializes in the design, development and distribution of high and low pressure safety valves for gases, vapors and liquids. COI TECHNOLOGY Safety valves are of a full nozzle design and are available with either threaded or flanged connections.

COI TECHNOLOGY’s technical staff, with its know-how and many years of experience in the field, is always open to all forms of cooperation in the study and research of improved quality solutions which may be more economical for the customer.

The production department COI TECHNOLOGY is equipped with the most modern and sophisticated CNC machines that are able to produce stainless steel parts, brass, bronze and special materials such as duplex, Hastelloy, Incoloy, Monel, etc. always maintaining a constant high standard of quality.

COI TECHNOLOGY’s post sales service offers effective assistance and maintenance and is always available to find a quick and economical solution for any problem that may present itself.

The name COI TECHNOLOGY today, both nationally and internationally stands for quality, innovation, competence and reliability.

Coi Technology

Our Safety Release Valves

COI TECHNOLOGY safety valves are used in the protection of the following plants: chemical, pharmaceutical, boilers and autoclaves, fire, cryogenic systems for natural gas, compressed air, industrial refrigerators, plants for the production of electrical energy, water treatment, dosing and winery, etc.


COI TECHNOLOGY is a market leader in the design, manufacturing and distribution of safety valves that range from pressures of 0.5 to 800 bar (vapour and liquid gases). All of our valves are of a full nozzle design and are available with either threaded or flanged connections.

Product development within COI Technology revolves around the ability to balance the functionality of the product with performance requirements and increasing quality and effective production in terms of volume and cost. In order to be able to develop a product according to the functional specifications, production must pass the phase of product engineering. COI TECHNOLOGY, with its specialized engineering team is always looking for new solutions to fully satisfy the most demanding requirements of the market.
COI TECHNOLOGY offers serious and qualified pre and post sales support by providing its customers with its vast experience in the production of safety valves.

Our Partners

© by Coi Technology S.r.l. - All rights reserved
VAT: IT06359220966 | R.E.A. MI-1887275
Via della Liberazione, 29/d - 20098 San Giuliano - ITALY
Tel. +39 0236689480 - Fax +39 0299767875