Pneumatic Control Valve Manufacturer in Europe – Valvesonly Europe

Valvesonly Europe is a Pneumatic Control Valve Manufacturer in Europe that designs and supplies precision-engineered valves for efficient and responsive flow regulation. Built for demanding industrial environments, our pneumatic control valves deliver consistent modulation for pressure, temperature, and flow in steam, gas, and liquid systems. Manufactured under PED 2014/68/EU compliance, they meet international standards including DIN EN 1349, IEC 60534, and ASME B16.34.

Function & Working

A pneumatic control valve operates by converting air pressure into mechanical motion using a diaphragm or piston actuator. The actuator adjusts the plug position within the valve seat, varying the flow passage to achieve precise control. Signal inputs (0.2–1.0 bar or 4–20 mA through positioners) regulate the movement of the valve, ensuring stable operation even under fluctuating pressure and temperature conditions. The valve trims are designed to deliver linear or equal percentage flow characteristics for improved accuracy and performance in continuous process control.

Advantages

Accurate modulation with fast response time
Low operating torque and minimal hysteresis
Customizable trim for noise and cavitation control
Reliable performance under varying process loads
Compatible with electro-pneumatic positioners for smart automation

Types of Pneumatic Control Valves

Single-Seat Globe Control Valve
Double-Seat Globe Control Valve
Angle Type Control Valve
Cage-Guided Control Valve

Industries Served

Oil and Gas Processing
Power Generation and Steam Networks
Marine and Offshore Installations
LNG and Cryogenic Facilities
District Heating Systems
Water and Wastewater Treatment Plants

Materials (Body, Bonnet, and Trim)

Component Material Standard / Grade Typical Application
Body Carbon Steel ASTM A216 WCB General industrial and power service
Body Low Temperature Carbon Steel ASTM A352 LCB Cryogenic and sub-zero applications
Body Stainless Steel CF8, CF8M, CF3, CF3M (ASTM A351) Corrosive and chemical service
Body Duplex and Super Duplex ASTM A890 F51 / F53 / F55 Offshore and high-chloride environments
Body Alloy Steel ASTM A217 WC6 / WC9 High-pressure steam service
Body Alloy 20 ASTM B462 / B564 Acidic and chemical process lines
Trim SS410 / SS316 / Stellite / Tungsten Carbide ASTM A276 / AWS Erosion and wear resistance

Technical Specifications

Design Standards: DIN EN 1349, IEC 60534, ASME B16.34, PED 2014/68/EU
Testing Standards: API 598, EN 12266-1 (Leak and Pressure Tests)
Size Range: DN15 – DN600 (½″ – 24″)
Pressure Ratings: PN10 – PN400 / Class 150 – 2500
Temperature Range: –46 °C to +600 °C (depending on material and trim)
End Connections: Flanged (EN 1092 / ASME B16.5), Butt Weld (BW), Socket Weld (SW)
Actuation: Pneumatic diaphragm or piston actuator, spring-return or double-acting, with electro-pneumatic positioner and manual override
Flow Characteristics: Linear, Equal Percentage, Quick Opening
Special Features: Low-emission packing (ISO 15848-1), fire-safe design, noise and cavitation control trims, high-temperature bonnet extensions

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