vuws-l20-b52-g18

Name: vuws-l20-b52-g18
Brand: FESTO
SKU: vuws-l20-b52-g18

Short Description: The Festo VUWS-L20-B52-G18 is a 5/2 bistable pneumatic valve with a 21 mm valve size, offering a standard nominal flow rate of 700 l/min. It features a piston gate design, soft sealing principle, and operates within -0.9 to 10 bar pressure range. Suitable for compressed air applications and compatible with oil lubrication.

Product Modelvuws-l20-b52-g18

Material Number575684

Product ID14890

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
High Performance and PrecisionThe Festo VUWS-L20-B52-G18 is engineered for precise control, ensuring reliable operation in a variety of pneumatic systems. Its bistable design allows for quick and efficient switching between two positions, making it ideal for applications requiring rapid changes in flow direction.
2
Durability and Corrosion ResistanceConstructed from high-quality materials, this valve offers moderate corrosion resistance (CRC 2) and can withstand harsh environments. The zinc-plated steel screws and aluminum die-casting housing ensure long-lasting performance.
3
Reversible FlowWith reversible flow direction, the VUWS-L20-B52-G18 can handle both forward and backward flow, making it versatile for various applications. This feature is particularly useful in systems where fluid can flow in either direction.
4
Easy Installation and MountingThe valve is designed for easy installation, allowing it to be mounted in any position. It comes with through-hole mounting options and can also be installed on terminal strips, providing flexibility in system design.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Valve function

5/2, bistable

Actuation type

Pneumatic

Valve size

21mm

Standard nominal flow rate

700l/min

Pneumatic working port

G1/8

Operating pressure

-0.9bar 10bar

Certified for SafetyThe Festo VUWS-L20-B52-G18 is certified by c UL us – Recognized (OL), ensuring compliance with safety standards. It also meets ATEX zone requirements for explosion prevention and protection, making it suitable for hazardous environments.

Efficient OperationWith a changeover time of just 6 ms, the VUWS-L20-B52-G18 operates efficiently, minimizing downtime and maximizing system productivity. It is designed to handle compressed air as per ISO 8573-1:2010 [7:4:4] and can operate with oil lubrication, enhancing its performance in demanding applications.

Robust ConstructionThe valve's robust construction, including a piston pusher made from aluminum wrought alloy, ensures it can withstand shock tests with severity level 2 as per FN 942017-5 and EN 60068-2-27. This makes it suitable for transport and other applications where vibration and shock are common.

Compliance with StandardsThe Festo VUWS-L20-B52-G18 complies with RoHs standards, ensuring environmental safety. The seals are made from HNBR and NBR materials, providing reliable sealing performance over a wide temperature range of -10°C to 60°C.

Internal Pilot Air SupplyThe valve features an internal pilot air supply, which simplifies the control system and reduces the need for external connections. This internal control mechanism enhances the overall efficiency of the pneumatic system.

Compact DesignWith a nominal width of 5.7 mm, the VUWS-L20-B52-G18 is designed to be compact, making it suitable for space-constrained applications. Its small size does not compromise on performance, ensuring it fits seamlessly into various pneumatic systems.

Certification

c UL us - Recognized (OL)

Nominal width

5.7mm

Exhaust air function

With flow control option

Sealing principle

Soft

Mounting position

Any

Manual override

None

Type of control

Direct

Pilot air supply port

Internal

Flow direction

Reversible

Symbol

00991037

Lap

Overlap

Pilot pressure MPa

0.15MPa 1MPa

Pilot pressure

1.5bar 10bar

Changeover time

6ms

Explosion prevention and protection

Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX)

Operating medium

Compressed air as per ISO 8573-1:2010 [7:4:4]

Information on operating and pilot media

Operation with oil lubrication possible (required for further use)

Vibration resistance

Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6

Shock resistance

Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27

Corrosion resistance class (CRC)

2 - Moderate corrosion stress

LABS (PWIS) conformity

VDMA24364-B1/B2-L

Cleanroom class

Class 6 according to ISO 14644-1

Temperature of medium

-10°C 60°C

Pilot medium

Compressed air as per ISO 8573-1:2010 [7:4:4]

Ambient temperature

-10°C 60°C

Product weight

211g

Type of mounting

Optionally: On terminal strip With through-hole

Venting hole connection

Not ducted

Pneumatic connection 1

G1/8

Pneumatic connection 2

G1/8

Pneumatic connection 3

G1/8

Pneumatic connection 4

G1/8

Pneumatic connection 5

G1/8

Note on materials

RoHS-compliant

Seals material

HNBR NBR

Housing material

Die-cast aluminum Painted

Piston slide material

Wrought aluminum alloy

Material of screws

Steel, galvanized

Manufacturer ID

575684