Norgren P68F-NGM-NNN Valve - CE-compliant, high flow
Part Number: P68F-NGM-NNN
Quick Summary
The P68F-NGM-NNN soft-start dump valve controls downstream pressure during startup in pneumatic machinery. Uncontrolled startup often causes pressure surges, line hammer, and downtime. It supports CE compliance and aligns with the European Machinery Directive, helps satisfy PUWER requirements, and provides safety documentation benefits. Implementing this solution improves system reliability, reduces maintenance costs, and supports fast line changeovers in automated environments. Suitable for packaging, automated assembly, and process equipment, it complements common control schemes and leverages existing Norgren Yoke assemblies and mounting accessories for straightforward integration.
Product Information
Extended Description
P68F-NGM-NNN 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
Dimensions - Height
165 mm
Dimensions - Length
110 mm
Dimensions - Width
108 mm
Weight
2.05 kg
Country of Origin
Czechia
Range
P68F
Series
Olympian Plus
Brand
IMI Norgren
Y68A-6GN-N1N
Yoke assemblies
Y68A-6GN-N2N
Yoke assemblies
18-001-979
Wall Bracket
Feature → Business Impact → Application: The soft-start dump function provides a controlled pressure ramp during startup, reducing downstream shocks, extending actuator life, and lowering maintenance costs; ideal for high-cycle packaging lines and automated assembly where start-up transients drive wear. Feature → Business Impact → Application: High flow capacity of 147 dm3/sec / 312 scfm maintains downstream pressure at startup, preserving throughput and avoiding bottlenecks in fast-fill operations. Feature → Business Impact → Application: Solenoid pilot with spring return offers reliable, fail-safe control that integrates with standard PLCs and guarantees a known state after power loss; suitable for OEM machines requiring deterministic startup. Feature → Business Impact → Application: Aluminium body with nitrile elastomer seals delivers corrosion resistance and air compatibility, reducing service intervals and part replacements in harsh plant environments. Feature → Business Impact → Application: Compact footprint with no Yoke port (165 mm x 110 mm x 108 mm, 2.05 kg) simplifies mounting, enables retrofit on space-constrained lines, and lowers installation costs.
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FAQs
Install using the without Yoke port option, secure the valve to a suitable mounting surface or wall bracket, and connect to a clean, dry compressed air supply and control solenoid. If mounting with a yoke is needed, reference the Y68A-6GN-N1N or Y68A-6GN-N2N accessories and ensure proper orientation for a 3/2 configuration.
Operating pressure range is 3 to 10 bar (44 to 145 psi). Medium is compressed air. Flow is 147 dm3/s (312 scfm). Actuation is solenoid pilot with spring return; valve configuration is 3/2. Body is aluminium; seals are nitrile rubber. Weight is 2.05 kg; dimensions are 165 mm height, 110 mm length, and 108 mm width.
This valve uses nitrile elastomer seals and is not specifically rated for food-grade or hygienic service. For such applications, validate material compatibility and consider options with FDA-compliant elastomers or alternative seal materials, plus finishes suitable for washdown environments and cleanroom exposure.
The valve supports CE compliance and aligns with the European Machinery Directive, aiding PUWER compliance and related safety documentation. While the data does not specify SIL or IP ratings, you can plan for these through your risk assessment and select enclosure or protection options if required for your machine design.
With an aluminium body and nitrile seals, the valve offers solid durability in typical plant air lines. Regular inspection of seals and the solenoid, plus cleaning and drying of supply air, reduces downtime. The combination of controlled startup and high flow supports faster line starts, improving overall equipment effectiveness and energy efficiency.