ARI Armaturen Safety Valves
ARI Armaturen Safety Valves – Overpressure Protection for Steam, Gas, and Liquid Systems
ARI Armaturen safety valves are engineered to provide automatic, fail-safe overpressure protection for steam, gas, air, and liquid systems across industrial environments. Manufactured in Germany to exacting standards, these safety valves are a critical part of any pressure relief system, designed to open instantly when a preset pressure is exceeded and close again once normal conditions are restored. The ARI safety valve range includes a variety of configurations, materials, and set pressure options to ensure suitability across applications in power generation, chemical processing, marine engineering, pharmaceutical plants, and steam distribution networks.
Each ARI Armaturen safety valve is designed in accordance with EN ISO 4126, with many models also conforming to ASME and PED requirements. These valves are essential to protect boilers, pipelines, pressure vessels, and heat exchangers from damage due to overpressure conditions. With body sizes ranging from DN15 to DN150 and pressure settings up to PN40 (and higher for specialised designs), ARI safety valves offer reliable performance under thermal stress, pressure fluctuations, and high-velocity media discharge.
Key Features of the ARI Armaturen Safety Valve Range
ARI Armaturen safety valves are built for high-integrity performance and consistent operation in demanding conditions. Key technical features include:
Fast and reliable response time, with pop-action design to ensure immediate opening once set pressure is exceeded, protecting downstream equipment.
Soft or metal sealing options for different media types and temperature ranges, including saturated steam, superheated steam, air, thermal oils, and inert gases.
Body materials including cast iron, carbon steel, stainless steel, and bronze to match application requirements and corrosion resistance needs.
Compact spring-loaded or pilot-operated designs, with customisable blowdown settings for repeatable reseating without chatter or overblow.
Optional lever testing mechanisms and sealed caps for in-service testing and tamper-proof installation in critical environments.
Compliance with international standards such as EN ISO 4126, TRD 421, ASME VIII, and EU PED 2014/68/EU for pressure equipment.
Popular models such as the ARI SAFE-TC and SAFE-T safety valves are widely used for steam boiler protection, while the SAFE-Compact series is ideal for compact plant installations and low-capacity discharge lines. For corrosive or sterile environments, stainless steel variants are available with high-grade internals and hygienic sealing surfaces.
Where Are ARI Armaturen Safety Valves Used?
ARI Armaturen safety valves are an essential component in any pressurised system where relief protection is required to prevent overpressure and system failure. Typical applications include:
Steam boilers and steam distribution lines in industrial and commercial facilities
Heat exchangers, pressure vessels, and storage tanks in power and process plants
Chemical reactors and processing lines handling volatile or reactive media
Compressed air systems and high-pressure gas lines requiring precise pressure limits
Marine and offshore installations, where robust, corrosion-resistant designs are essential
Pharmaceutical and food-grade systems, using hygienic stainless steel variants for CIP/SIP compatibility
The versatility of the ARI Armaturen safety valve range makes them suitable for both high-flow discharge duties and low-capacity applications, offering peace of mind that systems are protected against dangerous pressure build-up.
About ARI Armaturen
Founded in 1950 in Germany, ARI Armaturen is a leading manufacturer of industrial valves and pressure control equipment. The company specialises in valves for isolation, control, safety, and steam trapping — serving industries where thermal energy management and process safety are mission-critical. With a catalogue of over 20,000 product configurations, ARI offers modular valve solutions that integrate seamlessly with modern energy systems.
ARI Armaturen safety valves are manufactured under ISO 9001-certified systems and supported by in-house research, foundry, machining, and testing facilities. Every valve undergoes strict quality control and is supplied with test certification to ensure compliance and performance reliability. Their valves are trusted in over 70 countries and are used extensively across refineries, chemical plants, energy infrastructure, and shipbuilding.
Get Expert Support on ARI Safety Valve Selection
At steamvalves.co.uk, we supply the complete range of ARI Armaturen safety valves, including high-capacity, compact, and specialist models for steam, gas, and liquid relief. Whether you're replacing an existing safety valve or designing a pressure relief system from the ground up, our technical team can help with valve sizing, material selection, and certification requirements.
Contact us today for expert advice, datasheets, and a fast quotation.
