Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
The Festo part number 528955 is a mini D-series directly controlled diaphragm regulator featuring a continuous compressed air supply, a rotary knob with detent for actuator locking, and set up for a G1/8 pressure gauge. It operates within a pressure range of 0.1 MPa to 1.6 MPa, providing a regulated pressure span of 0.05 MPa to 1.2 MPa with a normal nominal flow rate of 1600 l/min and a maximum pressure hysteresis of 0.02 MPa. This component functions with primary pressure compensation and secondary exhausting for compressed air media conforming to ISO 8573-1:2010 [7:4:4] across a medium and ambient temperature range of -10 °C to 60 °C. Weighing 760 g with VDMA24364-B1/B2-L LABS conformity, it supports any mounting position using appropriate accessories. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 528955. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.