VALFTEK Pneumatic Proportional Control Valve DN50 PN16
Millimeter-precise modulation for steam, thermal oil and LPG lines.
VALFTEK Pneumatic Proportional Control Valve is engineered to manage flow and pressure parameters with millimeter precision in industrial plants. In addition, its DN50 nominal diameter and PN16 pressure rating deliver excellent modulation capability in steam, thermal oil and LPG lines. Therefore, it maintains stable operation at high temperatures up to 300 °C.
The body is made of EN 5.1301 cast iron, while the stem, disc and trim surface are AISI 420 stainless steel. As a result, this construction provides outstanding resistance to corrosion and wear. Moreover, PTFE and graphite packing bring the sealing class to Class IV – VI, so system safety increases. The Kvs value is 45 m³/h and the maximum differential pressure is 9 bar. The stroke is 25 mm with a seat diameter of 50 mm.
VALFTEK Pneumatic Proportional Control Valve — Technical Specifications
This valve is preferred across a wide range from power plants to chemical facilities. Furthermore, it plays an active role in automation solutions in food and textile factories. In particular, it monitors flow instantly, preserves process stability and extends equipment life. It also suits industrial steam systems and condensate return lines. Additionally, it handles thermal oil and high-temperature fluid management systems, plus fuel oil, LPG and sensitive chemical process lines.
Key Advantages
- Fully equipped structure: shipped ready to use with positioner and regulator included.
- High temperature resistance: safe operation in thermal oil and steam lines up to 300 °C.
- Precise modulation: equal percentage characteristic ensures accurate flow adjustment.
Applications
- Industrial steam systems and condensate return lines
- Thermal oil and high-temperature fluid management systems
- Fuel oil, LPG and sensitive chemical process lines
As a result, the VALFTEK Pneumatic Proportional Control Valve takes fluid management in your facility to the next level. ORFA Industrial has been your reliable solution partner in industrial flow technologies since 1985. In addition, ORFA supplies worldwide and provides technical support, so contact our expert team for technical support and a detailed catalog.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies


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