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ARI® SAFE P 35.921 Proportional Lift Safety Valve PN40 DN100

Original price was: $4,244.90.Current price is: $3,693.06.

A high-capacity safety valve with proportional lift for steam and gas lines. The PN40 body and DN100 flange connection handle up to 450°C. It combines cast steel, ductile iron and stainless steel trim for reliable protection.

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SKU: 708A110300509 Category: Brand:
Industrial Safety Valves / Steam Systems

ARI® SAFE P 35.921 Proportional Lift Safety Valve PN40 DN100

Staged pressure relief protects high-pressure steam and gas systems from sudden pressure shocks.

The ARI SAFE P 35.921 Safety Valve provides staged overpressure protection in steam and gas lines. In addition, its PN40 pressure class and DN100 flange connection ensure reliable operation in high-capacity systems. Moreover, a maximum temperature tolerance of 450°C makes it suitable for power plants and chemical facilities. Furthermore, the proportional lift principle prevents sudden pressure shocks in the system.

The body is made of 1.0619+N cast steel, while the bonnet is EN-JS1049 ductile iron. In addition, the internal parts are 1.4021+QT stainless steel for high strength. The spring material FDSiCr/51CrV4 (1.8159) provides a long-lasting and stable spring characteristic. Therefore, the valve maintains precise opening and closing sensitivity under all conditions. The seat is 1.4571 (AISI 316Ti) stainless steel and the disc is 1.4122 (AISI 420) stainless steel.

ARI SAFE P 35.921 Safety Valve — Technical Specifications

Nominal Diameter (DN)
DN100
Pressure Class
PN40
Max. Temperature
450°C
Body Material
1.0619+N cast steel
Bonnet Material
EN-JS1049 ductile iron
Internal Parts
1.4021+QT stainless steel
Spring Material
FDSiCr/51CrV4 (1.8159)
Seat
1.4571 (AISI 316Ti) stainless steel
Disc
1.4122 (AISI 420) stainless steel
Connection
Flanged

This safety valve provides pressure safety in steam installations, boilers and condensate lines. In particular, it offers safety control in high-temperature and high-pressure lines at power plants. Furthermore, it ensures protection in process lines with aggressive fluids in the chemical and petrochemical industries. Moreover, it is ideal for pressure control in hot water and steam circuits in HVAC systems.

Key Advantages

  • Proportional lift prevents sudden pressure shocks in the system
  • 1.4571 stainless steel seat offers superior corrosion resistance
  • PN40 pressure class and 450°C temperature tolerance ensure reliability in harsh conditions

Applications

  • Pressure safety in steam installations, boilers and condensate systems
  • Safety control in power plants and high-temperature process lines
  • Protection in aggressive fluid lines in the chemical and petrochemical industries

In conclusion, the ARI SAFE P 35.921 Safety Valve is an indispensable safety device for industrial facilities with its high safety standards and durable material structure. ORFA supplies worldwide and provides technical support.

ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.

Your Reliable Partner in Industrial Flow Technologies

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