grla-1/4-pk-4-b

Name: grla-1/4-pk-4-b
Brand: FESTO
SKU: grla-1/4-pk-4-b

The Festo GRLA-1/4-PK-4-B one-way flow control valve is designed for precise exhaust air flow control in pneumatic systems. Made from RoHS-compliant materials, it ensures reliable operation and efficient system performance.

Product Modelgrla-1/4-pk-4-b

Material Number151173

Product ID2767

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Efficient Air Flow ControlThe GRLA-1/4-PK-4-B valve provides precise control over exhaust air flow, ensuring optimal system performance and efficiency.
2
Durable ConstructionMade from a RoHS-compliant wrought aluminum alloy, this valve is built to last, offering high durability and resistance to corrosion.
3
Easy InstallationThe valve features a barbed fitting with an inside diameter of 4 mm, making it easy to integrate into your pneumatic system.
4
High-Quality SealsEquipped with NBR seals, the GRLA-1/4-PK-4-B valve ensures reliable sealing and minimal leakage, maintaining system integrity.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Valve function

Exhaust air flow control non-return function

Pneumatic connection 1

For barbed fitting, inside diameter 4 mm, with union nut

Pneumatic connection 2

External thread G1/4

Adjusting element

Slotted screw

Type of mounting

Screw-in

Standard nominal flow rate in flow control direction

260l/min

Compact DesignThe compact design of the valve allows for efficient use of space, making it ideal for applications where space is limited.

Standard nominal flow rate in non-return direction

220l/min 260l/min

Ambient temperature

-10°C 60°C

Maritime classification

See certificate

Explosion prevention and protection

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

Mounting position

Any

Symbol

00991452

Operating pressure for entire temperature range

0.3bar 10bar

Standard flow rate in flow control direction 6 -> 0 bar

370l/min

Standard flow rate in non-return direction at 6 -> 0 bar

315l/min 370l/min

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)

LABS (PWIS) conformity

VDMA24364-B1/B2-L

Cleanroom class

Class 4 according to ISO 14644-1

Temperature of medium

-10°C 60°C

Nominal width

6mm

Max. tightening torque

11Nm

Product weight

44g

Material of screwed plug

Wrought aluminum alloy

Note on materials

RoHS-compliant

Seals material

NBR

Material of adjusting screw

Brass

Swivel joint material

Die-cast zinc

Manufacturer ID

151173