ORFA Industrial

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ARI® SAFE 25.902 Full Lift Safety Valve PN40 DN20/32

Original price was: $940.07.Current price is: $761.46.

A full lift safety valve for steam and gas lines, with a ductile iron body and stainless steel trim. It opens automatically when system pressure exceeds the set value and reseats once excess pressure is discharged. Flanged connections simplify installation and ensure tight sealing.

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SKU: 708A110100602 Category: Brand:
Industrial Safety Valves / Pressure Control

ARI® SAFE 25.902 Full Lift Safety Valve PN40 DN20/32

Automatic overpressure protection for demanding steam and gas systems.

The ARI SAFE 25.902 Safety Valve delivers high-security protection against excess pressure rises in your systems. Moreover, it provides automatic protection against sudden pressure surges in steam and gas lines. In addition, a ductile iron body and stainless steel trim deliver long-lasting performance under demanding industrial conditions.

This valve operates with a spring-loaded disc that opens when system pressure exceeds the set value. Consequently, once excess pressure is discharged, the spring reseats the disc and the system returns to safe operation. The body and bonnet are made of EN-JS1049 ductile iron, while the trim is 1.4021+QT stainless steel. As a result, high resistance to corrosion and wear is achieved. It is rated PN40 with a maximum operating temperature of 350°C, and flanged connections simplify installation and ensure sealing.

ARI SAFE 25.902 Safety Valve — Technical Specifications

Nominal Diameter (DN)
DN20/32
Pressure Rating (PN)
PN40
Maximum Operating Temperature
350°C
Body Material
EN-JS1049 ductile iron
Trim Material
1.4021+QT stainless steel (AISI 420)
Spring Material
FDSiCr/51CrV4, 1.8159
Connection
Flanged

This safety valve protects steam lines in power plants and boiler rooms. In particular, it is used in high-pressure gas lines in petrochemical and refinery facilities. Furthermore, it is preferred in process lines in the food and beverage industry, chemical plants, and water treatment systems. Moreover, it provides reliable pressure control in heating and cooling circuits.

Key Advantages

  • Stainless steel trim (1.4021+QT, AISI 420) with high corrosion resistance
  • Flanged connection enables fast and secure installation
  • Operating temperature up to 350°C for demanding process conditions

Applications

  • Safe pressure control in steam, gas and liquid lines
  • Overpressure protection in power plants and boiler rooms
  • Safety valve service in petrochemical, refinery and chemical process plants

In conclusion, the ARI SAFE 25.902 Safety Valve raises the safety standard in industrial systems. ORFA Industrial has supplied this valve as an authorized ARI-Armaturen distributor since 1985. ORFA supplies worldwide and provides technical support for your selection and pricing needs.

ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.

Your Reliable Partner in Industrial Flow Technologies

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