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 537979 is a 20 mm piston gate valve featuring a 2x3/2 open/closed monostable valve function, electrical actuation, and a normal nominal flow rate of 550 l/min normalized to DIN 1343. This piloted component operates at 24V DC within an operating pressure range of 0.3 MPa to 1 MPa utilizing G1/8 pneumatic working ports, an external pilot air supply port, and a pneumatic spring reset method. Designed with soft sealing principles, an adjustable exhaust air function, and both detenting and non-detenting manual override options, it achieves an IP65 degree of protection in the mounted state according to IEC 60529. Certified as c UL us - recognized (OL) with CE and UKCA markings per EU and UK EMC and RoHS directives, it supports any mounting position with a non-reversible flow direction. Submit the exact part number, quantity, and application requirements to receive a formal 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 537979. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.