Norgren P68F-8GH-PFN Valve & Flow Control IP65 Sealed Plug
Part Number: P68F-8GH-PFN
Quick Summary
Norgren P68F-8GH-PFN valves provide a soft-start and pressure dump for pneumatic systems in packaging and automation lines. Sudden startup pressure spikes can stress downstream components and compromise uptime, resulting in costly downtime. The Olympian Plus design delivers IP65 protection with a sealed plug and a robust aluminium body, aiding compliance with the European Machineries Directive and PUWER while withstanding harsh factory environments. The valve integrates seamlessly with standard Norgren fittings and mounting options, enabling reliable startup control and high flow performance. By optimizing pressure ramp and flow, it reduces wear, lowers maintenance needs, and improves overall equipment effectiveness for industrial automation environments.
Product Information
Extended Description
P68F-8GH-PFN Norgren: Assists machine designers in complying with the European Machineries Directive | Can help existing machinery to comply with PUWER (Provision and Use of Work Equipment Regulations) | Controlled increase of downstream pressure on start up | High forward flow capacity | High flow dump facility
Medium
Compressed air
Operating Temperature
-20 ... 50 °C, -4 ... 149 °F
Operating Pressure
3 ... 10 bar, 44 ... 145 psi
Port Size
G1
Actuation
Solenoid pilot / Spring return
Gauge Port
Rc1/8
Valve operation
3/2
Flow
147 dm3/sec, 312 scfm
Materials - Body
Aluminium
Materials - Elastomers
Nitrile rubber
Certification - IP Rating
IP65 (with sealed plug)
Dimensions - Height
241 mm
Dimensions - Length
190 mm
Dimensions - Width
147 mm
Weight
3.125 kg
Country of Origin
Germany
Range
P68F
Series
Olympian Plus
Brand
IMI Norgren
T68H-8GB-B2N
Olympian Plus 3/2 plug-in system shut-off valve, G1
Y68A-8GN-N1N
Yoke assemblies
Y68A-8GN-N2N
Yoke assemblies
18-001-979
Wall Bracket
MB008B
Quietaire heavy duty silencer male, R1
Feature: Soft-start and controlled dump during machine startup. Business Impact: Protects downstream components, reduces peak loads, and extends equipment life in automated lines. Application: Packaging, robotics, and general manufacturing where startup transients threaten sensitive actuators. Feature: 3/2 valve operation with G1 port and solenoid pilot / spring return actuation. Business Impact: Fast, reliable cycling with simple electrical control, enabling compact control panels and straightforward diagnostics. Application: High-speed line startups and integrated line-side controls in OEM machinery. Feature: Flow capacity of 147 dm3/sec (312 scfm) and 3–10 bar operating range. Business Impact: Sufficient downstream throughput while maintaining startup ramp control, reducing bottlenecks and improving cycle times. Application: High-demand pneumatic feeds in press, pick-and-place, and clamping applications. Feature: IP65 rating with sealed plug and aluminium body. Business Impact: Rugged performance in dirty, wash-down, or damp environments; lower protection costs and longer service intervals. Application: Industrial automation in challenging factory floors with exposure to dust and moisture. Feature: Materials and seals—aluminium body, nitrile rubber elastomers. Business Impact: Durable construction with reliable sealing, minimizing maintenance and ensuring consistent downstream pressure profiles. Application: Continuous operation in temperature ranges from -20 to 50 °C. Feature: Comprehensive compatibility—Yoke assemblies, wall brackets, and plug-in options. Business Impact: Fast swap-out and easy integration into existing lines, reducing installation time and commissioning risk. Application: Retrofit projects and new line builds seeking minimal downtime.
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FAQs
When deploying the P68F-8GH-PFN, ensure a solid mechanical mount using optional Yoke assemblies (Y68A-8GN-N1N/N2N) and a compatible wall bracket (18-001-979). Connect the supply to G1, monitor the Rc1/8 gauge port, and wire the solenoid pilot with proper suppression. The IP65 sealed plug aids protection; verify enclosure integrity and install per factory guidelines to maintain compliance and performance.
This valve uses a solenoid pilot to shift a 3/2 configuration, providing a controlled pneumatic sequence on energize and a spring return for de-energize. During startup, energizing the solenoid raises downstream pressure gradually, reducing shocks and extending component life. De-energizing allows a safe, rapid venting, readying the system for normal operation and safer shutdown sequences.
Yes. The Olympian Plus P68F-8GH-PFN supports European Machineries Directive compliance through controlled startup and protective measures. It also aids PUWER compliance by reducing startup risks and ensuring safe equipment operation. The IP65 protection rating further guards against dust and water ingress in variable manufacturing environments typical of packaging lines, improving reliability and conformity.
Regular inspection should focus on the nitrile rubber elastomer seals and the aluminium body for signs of wear or corrosion. Check the gauge port connections, verify the RC1/8 port integrity, and ensure the solenoid and wiring remain free of dirt and moisture. Use the provided accessories, such as the T68H-8GB-B2N shut-off valve and silencer MB008B, to maintain clean, controlled exhaust and reduce contamination ingress.
Optimal ROI comes from using compatible Mountings and Accessories: Yoke assemblies (Y68A-8GN-N1N/N2N) for quick mounting, a Wall Bracket (18-001-979) for stable orientation, and the T68H-8GB-B2N plug-in shut-off valve for modular shut-off capability. Pairing with the MB008B silencer reduces exhaust noise and environmental impact, while keeping maintenance simple and costs predictable.