Parker – VFQ43/131105 – VFQ43-A-S-5 Soft‑Start Dump Valve, ½″ NPT, 10 bar

The Parker VFQ43-A-S-5 (variant VFQ43/131105) is a pneumatically actuated soft-start dump valve designed for controlled depressurization in pneumatic systems. With a ½″ NPT port and spring return, it enables smooth pressure relief to protect downstream components and pipelines.

Key Features:

• Part Number: VFQ43-A-S-5 (VFQ43/131105 variant)  

• Valve Type: Soft-start dump valve, pneumatically actuated with spring return

• Port Size: ½″ NPT ports (inlet/outlet)

• Pressure Rating: Maximum operating pressure of 10 bar (~145 psi)

• Flow Capacity: Approx. 17.2 L/s (~3.6 scfm)  

• Temperature Range: –20 °C to +70 °C  

• Construction: Robust cast body with internal solenoid or pneumatic control (e.g., includes variant with VE03-ESD012C2 coil)  

• Typical Uses: Ideal for controlled venting in air systems, machine safety shut-off, and pressure regulation applications.