IMI Norgren P68F-NGH-PFA Dump Valve - IP65 (Sealed)

Part Number: P68F-NGH-PFA
Manufacturer
Norgren
Part number
P68F-NGH-PFA

Quick Summary

P68F-NGH-PFA is a compact Norgren dump valve that provides soft-start protection for pneumatic actuators in automated machinery. Engineers often struggle with startup shocks and long commissioning times; this valve moderates downstream pressure rise. CE conformity supports European Machinery Directive goals, PUWER guidance helps safety and compliance, and IP65 with sealed plug protects equipment in harsh environments. Designed for compressed-air lines, it features a robust aluminium body, nitrile elastomers, and a 3/2 valve configuration that supports high forward flow during start-up. With dimensions and mounting options tailored to compact spaces, installation is straightforward using optional yokes or a wall bracket, speeding integration without compromising safety.

Product Information

Extended Description

P68F-NGH-PFA 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
Without Yoke
Actuation
Solenoid pilot / Spring return
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
110 mm
Dimensions - Width
147 mm
Weight
2.125 kg
Country of Origin
Germany
Range
P68F
Series
Olympian Plus
Brand
IMI Norgren
Y68A-6GN-N1N
Yoke assemblies
Y68A-6GN-N2N
Yoke assemblies
18-001-979
Wall Bracket
Operating pressure is adjustable from 3 to 10 bar, and the valve delivers a high forward flow capacity of 147 dm3/sec (312 scfm). This enables a controlled startup sequence that pushes less load onto downstream actuators while maintaining fast cycle times. In practice, engineers gain smoother pressurization and greater predictability in automation lines. Solenoid pilot with spring return provides reliable fail-safe operation and straightforward electrical wiring. The pilot design minimizes energy use during idle periods and supports quick reset after shut-off, making it ideal for cycle-intensive equipment. This combination reduces electrical noise and simplifies control logic integration. IP65 rating with sealed plug protects the valve from dust and water ingress on open floors or wash-down environments. Rugged construction withstands plant vibration and temperature fluctuations, lowering maintenance frequency. These protections translate into longer service intervals and lower total cost of ownership. Aluminium body with nitrile rubber elastomers delivers durability without excessive weight. Corrosion resistance and sealing performance help sustain performance in harsh environments. The material choice also facilitates compact mounting and easier retrofits in existing lines. Compact footprint and port size without yoke reduce installation height and footprint in tight automation cells. Optional Yoke assemblies Y68A-6GN-N1N/N2N and Wall Bracket 18-001-979 enable quick, repeatable mounting on diverse frames. Technical documentation such as CAD files and installation guides are readily available to streamline integration. This device belongs to the Olympian Plus P68F family and supports high-flow dump functionality for start-up control; its compatibility with standard Norgren accessories simplifies upgrades and spare parts planning across multi-vendor factories.

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FAQs

The P68F-NGH-PFA uses a port design without a yoke, enabling compact mounting. For versatile installation, you can fit Yoke assemblies Y68A-6GN-N1N or Y68A-6GN-N2N, or mount using the 18-001-979 Wall Bracket. All mounting options are supported with available CAD models and installation guides to streamline planning and execution.
Key specs include a 3 to 10 bar operating pressure range, flow of 147 dm3/sec (312 scfm), and a 3/2 valve operation. Actuation is by solenoid pilot with spring return, suitable for compressed air (medium). The body is aluminium with nitrile elastomer seals, and the unit weighs 2.125 kg, designed for wide temperature tolerance (-20 to 50 °C).
Yes. The valve supports CE conformity in line with the European Machinery Directive, aiding general regulatory compliance. It carries an IP65 rating with a sealed plug, providing robust protection against dust and water ingress on demanding factory floors, making it well-suited for wash-down areas and rugged production environments.
The valve delivers a controlled pressure ramp on startup, reducing shocks to downstream equipment and extending component life. Its 3/2 configuration, combined with a solenoid-pilot, enables predictable actuation sequences and safer machine starts, aligning with PUWER expectations for equipment safety and operability in automated lines.
Available accessories include Yoke assemblies Y68A-6GN-N1N and Y68A-6GN-N2N, plus the Wall Bracket 18-001-979 for versatile mounting. CAD, datasheet, and installation guides are accessible, aiding design validation, spare-part planning, and consistent retrofits across existing pneumatic systems.