Our Safety Valves

Welcome to Coi Technology, We design and produce industrial safety valves for the discharge of gaseous and liquid fluids.

Fields of application

Chemical, Pharmaceutical, Naval, Boilers, Petrochemical, Cryogenic, Methane Gas Compressors, Metering Pumps, Autoclaves, Compressed Air, LPG/LNG, Paper making

Approval and Certifications

UNI EN ISO 9001 (TUV Rheinland) Quality System, CE PED (TUV Rheinland), CE ATEX (TUV Rheinland), EAC product certifications. Upon request, we offer full support for testing by major organisations at our headquarters: INAIL, RINA, DNV, LR, TUV, BV, AB, ASME

Intervals of use

calibration pressure: from a minimum of 0.2 bar to a maximum of 1200 bar, temperature: from a minimum of –196°C to a maximum of 750°C

Construction materials

stainless steel, carbon steel, brass, plastic (PVC, PP, PVDF). Special versions in Bronze, Titanium, Duplex, Hastelloy®, Inconel®, Alloy 20, Monel®


threaded from ¼” to 2”, flanged from ½” to 2”


Cylindrical and tapered threaded GAS connections, tapered NPT in accordance with EN/ANSI/AME standards. Connections to be “welded” in accordance with ANSI/ASME standards.

Flanged connections in accordance with EN/ANSI/ASME standards

Company history

COI TECHNOLOGY, for over 40 years, the company has specialised in the design, construction and marketing of safety valves built from bar material.

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