“FLOW-ON” offers  threaded seat 3-way Pneumatic Diaphragm control valve is designed for general service applications up to the limits of the ANSI 150 / 300 pressure class rating. These general service applications include both the mixing and diverting of process fluids found in most process control industries. Our 3-way Pneumatic Diaphragm control valve has several standard options such as temperature extensions, metal bellows seals, and heating jacket. In addition to these options the valves can be specialized to meet the exact process needs such as NACE version for sour gas service and cleaned for specific service (e.g. Oxygen, Chlorine, High Purity, etc.).

This Valve can be assembled with a pneumatic, electric, hydraulic, or electro-hydraulic actuator also offered by the “FLOW-ON” to complete the control valve construction. These control valves are designed according to the modular assembly principle, can be equipped with “FLOW-ON” actuators and valve accessories such as positioners, limit switches, and solenoid valves.

Feature & Benefits

• Modular design with fewer parts required as well as commonality of parts for different sizes.
• Only four parts required to rebuild the valve: seat, plug, body gasket and packing.
• TA-Luft / EPA Low Emissions self-adjusting PTFE V-ring packing as standard.
• Bonnet, yoke and body made of the same material.