ARI-STEVI 12.440 Pneumatic Proportional Control Valve DN25 PN16
Precise modulation and high-temperature durability for stable process control.
The ARI-STEVI 12.440 Pneumatic Proportional Control Valve provides professional flow and pressure management for industrial plants. In addition, its DN25 nominal diameter and PN16 pressure class ensure effective operation in steam and hot water lines. Moreover, it is equipped with an ARI-DP 32 pneumatic actuator that modulates within a 0.4–1.2 bar signal range.
The valve body is made of EN-JL1040 cast iron, while the bonnet is EN-JS1049 ductile iron. Furthermore, AISI 420 stainless steel internal parts (stem, disc, seat) offer superior corrosion resistance. A PTFE V-ring seal provides full protection up to 220 °C, and the maximum operating temperature reaches 300 °C. Consequently, its design conforms to DIN IEC 60534-6 for reliable automation.
ARI-STEVI 12.440 Pneumatic Proportional Control Valve — Technical Specifications
This valve is used in power plants, chemical facilities, and many other industries. In particular, it provides precise modulation in steam and hot water control systems. Additionally, it ensures safe fluid control in food, pharmaceutical, and HVAC applications. Flanged connections further allow easy installation and maintenance.
Key Advantages
- PTFE V-ring technology provides zero-leak performance up to 220 °C
- AISI 420 stainless steel internals ensure maximum corrosion resistance
- Class D leakage rate minimizes energy loss for low-cost operation
Applications
- Precise modulation and flow control in steam and hot water lines
- Safe process automation in chemical and petrochemical plants
- Stable flow management in power plants, food, and pharmaceutical facilities
In summary, the ARI-STEVI 12.440 Pneumatic Proportional Control Valve delivers a reliable and precise flow solution for industrial facilities. ORFA Industrial supplies this product worldwide as an authorized distributor since 1985 and provides technical support.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies
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