A multi-spring pneumatic control valve is a type of valve that uses multiple springs to regulate the flow of fluid through the valve. These valves are commonly used in process control applications to control the flow of liquids such as water, steam or gases in pipelines.

The valve consists of a stem, valve plug and a set of springs. The valve plug is connected to a stem that protrudes from the valve body and is used to operate the valve. Springs are located around the stem and are used to apply a force that holds the valve plug in a specific position.

The valve plug position is controlled by the pressure of the fluid on the valve plug and the force of the springs. When the fluid pressure is greater than the spring force, the valve plug is pushed open and fluid is allowed to flow through the valve. When the fluid pressure is less than the spring force, the valve plug is pushed closed, preventing fluid from flowing through the valve

Basic (Standard) Features

• Product: Multi Spring 2 Way Pneumatic Control Valve (with metal bellows addition)
• Dimensions: DN25 / DN40 / DN50 / DN80 / DN100
• Usage Area: Pressurized Steam and Hot Oil Lines
• Connection Norm: Flange connection(DIN1092-2)
• Optional: Class IV ( Metal – Metal Sealing )
• Function: Dispenser Mixer
• Pressure Class: PN16 – PN25
• Safety Position: Normally Closed – Normally Open
• Sealing Class: CLASS VI (PTFE Soft Sealing)
• Max. Operating Temperature: 220 °C
• Neck Sealing: V – Pack PTFE – Graphite
• Characteristic: On – Off