ARI® SAFE 35.901 Full Lift Safety Valve PN40 DN150/250
Fast, reliable overpressure protection for high-pressure steam, gas and liquid lines.
The ARI® SAFE 35.901 Safety Valve provides rapid, effective protection against sudden pressure surges. In addition, it automatically relieves excess pressure to safeguard equipment in high-pressure systems. Moreover, its full lift design responds quickly when pressure spikes occur.
The body is made of 1.0619+N steel cast, while the bonnet uses EN-JS1049 ductile iron. Furthermore, stainless steel internals and FDSiCr/51CrV4 springs extend service life under harsh conditions. It is rated PN40 with a maximum operating temperature of 450 °C, and the flanged connection simplifies mounting while ensuring a tight seal.
ARI SAFE 35.901 Safety Valve — Technical Specifications
This valve is widely used in steam boilers, power generation plants and the chemical industry. In addition, it provides safety in refineries and process lines. Therefore, it delivers effective protection in water, steam and gas installations, even under high temperature and pressure.
Key Advantages
- Full lift design for rapid relief during sudden pressure surges
- Stainless steel internals for high corrosion resistance
- Flanged connection for easy installation and guaranteed sealing
- Steel cast body and ductile iron bonnet for durability
Applications
- Steam boilers and pressure vessel systems
- Power generation plants and heating distribution lines
- Chemical and petrochemical industry process protection
In conclusion, the ARI® SAFE 35.901 Safety Valve keeps industrial facilities at the highest safety level. ORFA Industrial has supplied it as an authorised distributor since 1985. ORFA supplies worldwide and provides technical support and price quotations on request.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies

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