550166

Name: Festo 550166 Basic valve CPE18-P1-3OLS-1/4
Brand: Festo

Basic valve CPE18-P1-3OLS-1/4

The Festo 550166 is an 18 mm wide industrial component featuring a 3/2-way monostable open valve function with a piston gate valve structural design and soft sealing principle. Driven by piloted control via an ISO 15218 pilot control interface with external pilot air supply and a non-detenting manual override, it delivers a normal nominal flow rate of 1700 l/min through G1/4 pneumatic working ports across an operating pressure range of -0.09 MPa to 1 MPa. Certified by UL and DNV with CE and UKCA markings conforming to relevant directives, this non-reversible component utilizes a pneumatic spring reset and supports any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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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.

Manufacturer: Festo
Part number: 550166
Data verification: Manufacturer evidence reviewed

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Technical Specifications

Valve function: 3/2-way, monostable, open
Actuation type: Via ISO 15218 pilot control interface
Width: 18 mm
Normal nominal ow rate (normalized to DIN 1343): 1700 l/min
Pneumatic working port: G1/4
Operating pressure: -0.09 MPa...1 MPa | -0.9 bar...10 bar
Structural design: Piston gate valve
Reset method: Pneumatic spring
Certication: c UL us - recognized (OL)
Maritime classication: See certicate
CE marking (see declaration of conformity): As per EU low voltage directive
UKCA marking (see declaration of conformity): To UK instructions for electrical equipment
Certicate issuing authority: DNV-TAA000032X | UL MH19482
Nominal width: 8 mm
Sealing principle: Soft
Mounting position: Any
Manual override: Non-detenting
Type of control: Piloted
Pilot air supply port: External
Flow direction: Non-reversible
Valve position ID: Label holder
Lap: Positive overlap
Pilot pressure MPa: 0.25 MPa...1 MPa
Pilot pressure: 2.5 bar...10 bar
Switching time oﬀ: 30 ms
On switching time: 36 ms
Duty cycle: 100%
Max. positive test pulse with 0 signal: 3300 µs
Max. negative test pulse on 1 signal: 3100 µs
Permissible voltage uctuations: -15% / +10%

Engineering context

Identification and RFQ Guidance

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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.

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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 550166. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.