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Products/Festo/173142
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Festo

173142

Solenoid valve MEH-5/3G-1/8-S-B

This Festo industrial component, part number 173142, is a 5/3 closed electrical valve featuring a 17.8 mm width, an 18 mm grid dimension, and a 5 mm nominal size with a piston slide design structure. It delivers a standard nominal flow rate of 500 l/min across a working pressure range of -0.9 to 10 bar, utilizing mechanical spring reset, soft sealing, positive overlap lap, and throttleable exhaust-air function with external pilot air supply and 3 to 8 bar pilot pressure. The piloted unit includes a c UL us Recognized authorization, IP65 protection class, any assembly position, reversible flow direction, and a detenting manual override operable with accessories. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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Manufacturer
Festo
Part number
173142
Data verification
Manufacturer evidence reviewed

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Verified configuration

Technical Specifications

Valve function
5/3 closed
Type of actuation
electrical
Width
17.8 mm
Standard nominal flow rate
500 l/min
Working pressure
-0.9 ... 10 bar
Design structure
Piston slide
Type of reset
mechanical spring
Authorization
c UL us - Recognized (OL)
Protection class
IP65
Nominal size
5 mm
Grid dimension
18 mm
Exhaust-air function
throttleable
Sealing principle
soft
Assembly position
Any
Manual override
with accessories, detenting
Type of piloting
Piloted
Pilot air supply
external
Flow direction
reversible
Lap
Positive overlap
Pilot pressure
3 ... 8 bar
b value
0.3
C value
2.2 l/sbar
Switching time off
25 ms
Switching time on
12 ms
Duty cycle
100 %
Characteristic coil data
24 V DC: 1.5 W
Operating medium
Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot medium
Lubricated operation possible (subsequently required for further | operation)
Vibration resistance
Transport application test at severity level 1 in accordance with FN | 942017-4 and EN 60068-2-6
Shock resistance
Shock test with severity level 2 in accordance with FN 942017-5 and EN | 60068-2-27
Corrosion resistance classification CRC
2 - Moderate corrosion stress
Storage temperature
-20 ... 40 °C
Medium temperature
-5 ... 50 °C
Sound pressure level
75 dB(A)
Pilot medium
Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Ambient temperature
-5 ... 50 °C
Product weight
153 g
Electrical connection
Connection pattern type C to industry standard, 9.4 mm | Plug

Engineering context

Identification and RFQ Guidance

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.

What to include in your RFQ

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 173142. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.