FESTO - Pneumatic valve VUWS-L25-P53 - 5/3-way valve - Pneumatic connection G 1/4 - Valve size 26.5 mm - Mechanical spring

Product Description

The pneumatic valve is suitable for pneumatic control systems with high flow rates, medium nominal diameters and stable construction.

Description

The VUWS-L25-P53 series is a directly controlled 5/3-way piston slide valve with a valve size of 26.5 mm and G1/4 connections.
All variants operate with switching times of 13 ms (on), 65 ms (off) and 30 ms (changeover), have a mechanical spring for reset, internal control air supply and reversible flow direction.
The valves are RoHS-compliant, suitable for clean room class 6 (ISO 14644-1) and have ATEX specifications.

Technical Data

Valve function – 5/3 (closed / vented / aerated)
Valve size - 26.5 mm
Nominal diameter – 6.3–6.5 mm
Normal nominal flow rate (DIN 1343) – 1000–1200 l/min
Pneumatic connection 1-5 - G1/4
Pneumatic working connection - G1/4
Control air supply – internal
Manual override - none
Control type – direct
Actuation type - pneumatic
Exhaust air function – throttleable
Seal material – HNBR, NBR
Housing material – painted
Piston slide material – wrought aluminium alloy
Material of screws - steel, galvanised
LABS compliance – VDMA24364-B1/B2-L
Mounting type – with through hole
Sealing principle – soft
Corrosion resistance class KBK - 2 – moderate corrosion exposure
Control pressure – 2.5 to 10 bar
Operating pressure - −0.9 to 10 bar
Note on operating/control medium - Gel operation possible (required for further operation)
Control medium/operating medium – compressed air according to ISO 8573-1:2010 [7:4:4]
Switching time on - 13 ms
Switch-off time - 65 ms
Switching time approx. 30 ms
Medium and ambient temperature - −10 °C to 60 °C
overlap – positive overlap
Product weight - 310 g
Design structure – piston slide valve
Cleanroom class – Class 6 according to ISO 14644-1
Explosion protection – note the information in the certificate; Zone 1 (ATEX), Zone 2 (ATEX), Zone 21 (ATEX), Zone 22 (ATEX)
Approval - c UL us – Recognised (OL)
Shock resistance – shock test severity level 2 according to FN 942017-5 / EN 60068-2-27
Vibration resistance – transport test, severity level 2 according to FN 942017-4 / EN 60068-2-6
Installation position – any
Price per item

FESTO - Pneumatic valve VUWS-L25-P53 - 5/3-way valve - Pneumatic connection G 1/4 - Valve size 26.5 mm - Mechanical spring - Price per piece