Compressed air preparation

Condensate drain

Festo condensate drains and water separators remove accumulated condensate from compressed air systems before it damages valves, cylinders, or downstream processes. The PWEA series (PWEA-AC-3D, PWEA-AC-6A, PWEA-AC-7A) comprises electronically controlled condensate drains that discharge condensate on a timed or demand-controlled basis. The WA series (WA-1-B, WA-2) provides pneumatically actuated drain valves for simpler applications. MS-series water separators (MS4-LWS, MS6-LWS, MS9-LWS, MS12-LWS) are additionally available for installation in service block assemblies.

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  1. Water Separator MS6-LWS-1/4-U-V - Festo 564868
    €265.13

Buying guide

How to choose Condensate drain

What matters when choosing: properties, comparison and typical applications.

Technical features

⚙ Electronic drains PWEA - timed or demand-controlled discharge, no manual intervention required
⚡ Pneumatic drains WA - WA-1-B and WA-2 as robust solutions for standard condensate discharge
✓ Water separators MS4/MS6/MS9/MS12-LWS - modular design for Festo service blocks, port G 1/4 to G flange
⬡ Draining under pressure - condensate discharge without pressure drop in the system, no plant shutdown required
✦ Installation upstream of tools and filters - protects downstream conditioning stages from liquid ingress

Product overview

TypeFunctionControlPort
PWEA-AC-3DElectronic condensate draintimedflange
PWEA-AC-6AElectronic condensate draindemand-controlledflange
PWEA-AC-7AElectronic condensate draindemand-controlledflange
WA-1-B / WA-2Pneumatic condensate drainmanual / pneumaticstandard
MS6-LWS-1/4-U-VWater separator, modular MS6 systemmanual (V)G 1/4
MS9-LWS-G-U-VWater separator, MS9 systemmanual (V)G (flange)

Typical applications

Typical applications: Compressed air compressor installations with high condensate accumulation (particularly in summer operation and high ambient humidity), inlet point upstream of compressed air filters and service blocks, pneumatic systems in food and pharmaceutical operations requiring dry process air, and automated production lines where manual maintenance intervention for condensate draining is not practical.