Festo GRLA-M5-RS-B Series Pressure Relief Valve, Threaded Metric M5 Threaded Metric M5

RS Stock No.:: 202-2937
Mfr. Part No.:: GRLA-M5-RS-B
Brand:: Festo

Festo GRLA-M5-RS-B Series Pressure Relief Valve, Threaded Metric M5 Threaded Metric M5

Subtotal (1 unit)*

£28.46

(exc. VAT)

£34.15

(inc. VAT)

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Ready to ship from 25 May 2026

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Units	Per unit
1 +	£28.46

*price indicative

RS Stock No.:: 202-2937
Mfr. Part No.:: GRLA-M5-RS-B
Brand:: Festo

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Festo
	Outlet Connection Type	Threaded
	Product Type	Pressure Relief Valve
	Inlet Connection Type	Threaded
	Inlet Connection Size	M5
	Outlet Connection Size	M5
	Series	GRLA-M5-RS-B
	Inlet Thread Standard	Metric
	Maximum Operating Pressure	10 bar
	Minimum Operating Temperature	-10°C
	Outlet Thread Standard	Metric
	Maximum Operating Temperature	60°C
	Standards/Approvals	RoHS, ISO8573-1:2010 (7:4:4)
	Hazardous Area Certification	ATEX
	Minimum Operating Pressure	0.2bar

	Select all
	Brand Festo
	Outlet Connection Type Threaded
	Product Type Pressure Relief Valve
	Inlet Connection Type Threaded
	Inlet Connection Size M5
	Outlet Connection Size M5
	Series GRLA-M5-RS-B
	Inlet Thread Standard Metric
	Maximum Operating Pressure 10 bar
	Minimum Operating Temperature -10°C
	Outlet Thread Standard Metric
	Maximum Operating Temperature 60°C
	Standards/Approvals RoHS, ISO8573-1:2010 (7:4:4)
	Hazardous Area Certification ATEX
	Minimum Operating Pressure 0.2bar

COO (Country of Origin):: DE

Festo GRLA Series Pressure Relief Valve, Die Cast Zinc Body, ATEX Hazardous Area Certification - GRLA-M5-RS-B, Numeric Part Number: 151163

This pressure relief valve is designed for pneumatic systems, efficiently controlling exhaust air flow. The valve is constructed from durable die cast zinc, ensuring robust performance in industrial applications. With an operational pressure range of 0.2 bar to 10 bar, it effectively manages safety in hazardous areas, certified for Zones 1, 2, 21, and 22 under ATEX standards.

Features & Benefits

• Exhausts air in a one-way flow, preventing back pressure

• M5 pneumatic connections simplify installation and integration

• Adjustable knurled screw allows precise flow control

• Versatile mounting position options enhance usability

• Lubricated operation is supported for improved longevity

• RoHS-compliant materials ensure environmental safety

Applications

• Utilised in automated machinery for air flow management

• Implemented in pneumatic systems to ensure operational safety

• Suitable for use in electronic and mechanical assemblies

• Commonly found in environments requiring explosion protection

What is the maximum flow rate achievable in the control direction?

The standard nominal flow rate in the flow control direction is up to 169 l/min when the pressure is adjusted from 0.6 to 0 MPa.

Can the valve operate in various environmental conditions?

Yes, it functions effectively between -10 °C and 60 °C, making it suitable for a range of ambient temperatures.

What materials are used in the valve's construction?

The valve comprises a nickel-plated screwed plug, seals made from NBR, and an adjusting screw crafted from brass, ensuring durability and reliability.

Is lubrication necessary for the operation of this valve?

Lubricated operation is possible and is recommended to maintain optimal performance and longevity of the valve components.