Norgren P68F-6GL-NNN Valves & Flow Control - Olympian Plus soft start dump valve, G3/4
Part Number: P68F-6GL-NNN
Quick Summary
P68F-6GL-NNN is a soft start dump valve that controls startup pressure in compressed-air systems. Start-up surges and compliance demands challenge machine builders; this valve delivers a predictable ramp and protects downstream equipment. Designed for European Machineries Directive and PUWER compliance, it helps satisfy safety and risk-reduction requirements during commissioning. With a robust aluminium body and straightforward installation, it supports efficient OEM integration and reliable maintenance of pneumatic control systems.
Product Information
Extended Description
P68F-6GL-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
G3/4
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
Dimensions - Height
165 mm
Dimensions - Length
190 mm
Dimensions - Width
108 mm
Weight
3.05 kg
Country of Origin
Czechia
Range
P68F
Series
Olympian Plus
Brand
IMI Norgren
T68H-6GB-B2N
Olympian Plus 3/2 plug-in system shut-off valve, G3/4
Y68A-6GN-N1N
Yoke assemblies
18-001-979
Wall Bracket
Y68A-6GN-N2N
Yoke assemblies
MB008B
Quietaire heavy duty silencer male, R1
Feature: Robust aluminium body with nitrile elastomer seals → Business Impact: Enhanced durability and reduced maintenance costs in harsh factory environments → Application: Suitable for rugged packaging, manufacturing automation, and material handling where consistent seal integrity matters. Feature: G3/4 port size and 3/2 valve operation → Business Impact: Facilitates modular manifold integration and efficient pressure control → Application: Fits standard pneumatic blocks and OEM assemblies with minimized leak paths. Feature: Operating range −20 to 50 °C and 3–10 bar → Business Impact: Wide operating envelope reduces the need for reconfiguration across shifts and locations → Application: Industrial air systems in varied climates and production lines. Feature: Solenoid pilot with spring return → Business Impact: Fail-safe actuation and PLC-friendly control simplify integration and safety interlocks → Application: OEM machines requiring reliable startup sequencing. Feature: High flow capacity 147 dm3/sec (312 scfm) → Business Impact: Faster ramp, reduced cycle times, and improved throughput in high-demand lines → Application: Start-up of larger actuators and rapid-downstream venting. Feature: Compact footprint and Rc1/8 gauge port → Business Impact: Easier panel fit and faster installation with existing fittings → Application: Retrofit and new-build projects with space constraints. Compliance and compatibility: Built to support European directives and PUWER, compatible with Olympian Plus ecosystem and 18-001-979 mounting options, enabling seamless system upgrades with minimal downtime.
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FAQs
This valve uses a G3/4 port with Rc1/8 gauge port for sensing and pilot connections, and a 3/2 valve configuration suitable for common pneumatic manifolds. It fits standard mounting arrangements such as Yoke assemblies and wall brackets (e.g., Y68A-6GN-N1N or 18-001-979). Ensure panel space (~165 mm height, 190 mm length, 108 mm width) and electrical control compatibility with a solenoid pilot. The unit’s aluminium body and nitrile elastomer seals support durable operation in typical manufacturing environments.
Key specs include a 3–10 bar operating range, flow capacity of 147 dm3/sec (312 scfm), and 3/2 valve operation with solenoid pilot and spring return. These features enable a controlled pressure ramp and rapid venting, reducing startup surges and cycle times. The device is designed for compressed air systems with a 20 to 50 °C operating window, making it suitable for most shop-floor environments.
Yes, thanks to its high forward flow capacity and robust Olympian Plus design. The G3/4 port sizing and 3/2 valve operation support quick, repeatable start-up sequences, which improves overall line uptime and throughput. For retrofit projects, ensure compatibility with existing manifolds and mounting hardware, and verify that supply pressure remains within 3–10 bar during operation.
The valve is described as assisting compliance with the European Machineries Directive and PUWER, helping to meet risk reduction and safe-operation requirements during startup and commissioning. While not labeled with a formal CE or SIL certificate in the data provided, its design aligns with regulatory expectations for safe pneumatic startup in industrial machinery.
The aluminium body with nitrile elastomer seals offers durability with reduced corrosion risk and predictable sealing performance, lowering maintenance frequency. The fail-safe actuation and compatibility with standard mounting options speed installation, reducing commissioning time. The combination of controlled startup, high flow, and robust construction translates to lower downtime and improved production uptime, delivering a favorable return on investment over the asset lifecycle.