Our safety valves

Welcome to Besa, 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 (ICIM) Quality System, CE PED (Pascal), CE ATEX (ICIM), RINA, EAC, BUREAU VERITAS, DNV-GL product certifications. Upon request, we offer full support for testing by major organisations at our headquarters: INAIL, RINA, DNV-GL, LR, TUV, BV, AB, ASME

Intervals of use

calibration pressure: from a minimum of 0.2 bar to a maximum of 600 bar, temperature: from a minimum of –196°C to a maximum of 750°C

Construction materials

cast iron, carbon steel, alloy steel, stainless steel. For special constructions, thermoplastic material coating is used (PFA, PVDF, ETFE, HALAR) as well as alloys such as Inconel®, Hastelloy®, Monel®, and Duplex.


flanged from DN 15 (1/2”) to DN 250 (10”), threaded from DN ½” to DN 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

BESA is Founded in Milan in 1946 by Engineer Antonio Santangelo as a tap and faucet factory and later specialising in the design and production of safety valves made from castings for all types of use.