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Red Festo CPE18-M1H-5/3ES-QS-8 air solenoid valve in box

Festo

Festo CPE18-M1H-5/3ES-QS-8 170256 electrician tool

SKU CH-F311-9SB2M MPN CPE18-M1H-5/3ES-QS-8

5/3-way solenoid valve with quick-connect ports for pneumatic control circuits

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • 5/3-way solenoid valve for precise pneumatic control
  • 18 mm compact body fits tight machine spaces
  • Part number 170256 ensures correct ordering
  • Red housing allows quick visual identification
  • Supplied as single unit in protective box

Festo CPE18 Solenoid Valve Overview

The Festo CPE18-M1H-5/3ES-QS-8 is a 5/3-way air solenoid valve designed for pneumatic control systems. It carries the manufacturer part number 170256 and is supplied new in a single-unit box. The valve body features a red finish and is built to Festo industrial standards. This component regulates compressed-air flow in automated machinery.

Suitable Applications and Limitations

This valve suits engineers and maintenance teams who need a 5/3-function solenoid for existing CPE18-series manifolds. It is not for buyers who require a different port size, a 3/2 or 5/2 function, or a valve series outside the CPE18 range. The component is sold individually without manifold or mounting hardware.

Decisive Specification

The critical specification is the 5/3-way valve function with solenoid actuation for the CPE18 series. This defines the flow paths and electrical control method. Verify that your manifold and control voltage match this exact configuration before ordering.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $399.99
Pricier than about 90% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameFESTO
Model nameCPE18-M1H-5/3ES-QS-8
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How do I mount the CPE18-M1H-5/3ES-QS-8 valve and connect the QS-8 ports without cross-threading?

Mount the valve on a flat surface using the two through-holes on the 18 mm wide body, then push 8 mm OD tubing straight into each QS-8 port until the collet clicks — the step most installers miss is forgetting to relieve system pressure before inserting tubing, which can seat the collet incompletely.

Which wearable parts of the 170256 valve will need replacement and on what interval?

The internal spool seals and pilot diaphragms are the only wear items; Festo specifies a three-year parts coverage period, so plan to inspect or replace those seals at the three-year mark or sooner if leakage appears at the exhaust ports.

What performance limit appears first when the valve is cycled continuously at maximum frequency?

The pilot-exhaust flow capacity becomes the bottleneck first; sustained high-speed cycling starves the pilot chamber, causing slower spool shift before the main coil reaches its thermal limit.

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