Norgren P64F-4GC-PFN Olympian Plus Dump Valve - IP65
Part Number: P64F-4GC-PFN
Quick Summary
Norgren P64F-4GC-PFN Olympian Plus soft start dump valve is designed to constrain downstream pressure during startup in pneumatic systems. Engineers often confront startup surges that cause wear, reduced cycle life, and unplanned downtime. The unit supports IP65 sealing and is positioned to help meet the European Machineries Directive while supporting PUWER compliance. With a zinc alloy body, nitrile elastomer seals, and a G1/2 port, it combines rugged durability with precise flow control. Its solenoid pilot and spring return actuation enable reliable startup sequencing, while the 57 dm3/s flow capacity accommodates many common actuator sizes. This valve integrates with accessories such as Quietaire silencers and plug-in shut-off valves for streamlined installation and reduced integration effort.
Product Information
Extended Description
P64F-4GC-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, 43 ... 145 psi
Port Size
G1/2
Actuation
Solenoid pilot / Spring return
Gauge Port
Rc1/8
Valve operation
3/2
Flow
57 dm3/sec, 121 scfm
Materials - Body
Zinc alloy
Materials - Elastomers
Nitrile rubber
Certification - IP Rating
IP65 (with sealed plug)
Dimensions - Height
113 mm
Dimensions - Length
220 mm
Dimensions - Width
105 mm
Weight
2.02 kg
Country of Origin
Czechia
Range
P64F
Series
Olympian Plus
Brand
IMI Norgren
MB004B
Quietaire heavy duty silencer male, R1/2
T64T-6GB-P1N
Olympian Plus 3/2 plug-in system shut-off valve, G3/4
T64T-4GB-P1N
Olympian Plus 3/2 plug-in system shut-off valve, G1/2
T40B1800
Quietaire sintered bronze silencer, R1/8
M/P24121/1
Spare 22mm Electrical Coil connector
M/P24121/2
Spare 22mm Electrical Coil connector
74504-50
Wall Bracket
MB004B
Quietaire heavy duty silencer male, R1/2
T40B1800
Quietaire sintered bronze silencer, R1/8
Feature: Soft-start and dump functionality controls the rate of downstream pressure rise. Business Impact: Reduces shock loads on cylinders and piping, extending equipment life and cutting maintenance costs. Application: Start-up sequencing on pneumatic presses and pick-and-place lines to avoid performance fluctuations. Feature: High forward flow capacity of 57 dm3/s (121 scfm). Business Impact: Enables faster actuation of larger actuators without sacrificing control, boosting overall cycle times. Application: Systems with multiple cylinders or high-volume actuation where response time matters. Feature: G1/2 port size with Rc1/8 gauge port. Business Impact: Simplifies integration with standard compressed air fittings and instrumentation, reducing installation time. Application: Retrofit projects or new lines using common manifold configurations. Feature: Materials - zinc alloy body with nitrile elastomer seals. Business Impact: Delivers durable, chemically resistant construction suitable for harsh factory environments, lowering replacement frequency. Application: Heavy-duty automation in manufacturing environments. Feature: IP65 rating with sealed plug. Business Impact: Ensures reliable operation in dusty or wash-down environments, supporting cleanroom-adjacent or outdoor installations. Application: Food & beverage, automotive, and packaging lines where ingress protection is essential. Feature: Actuation via solenoid pilot / spring return. Business Impact: Provides reliable fail-safe operation and predictable startup behavior, improving machine uptime. Application: Control panels and remote starts where safety interlocks are required. Feature: Compact dimensions (Length 220 mm, Width 105 mm, Height 113 mm) and weight 2.02 kg. Business Impact: Facilitates installation in constrained spaces and simplifies mounting with wall brackets or standard mounting plates. Application: Retrofit into existing machines or integration into compact automation enclosures. Feature: Compatibility with accessories (MB004B silencer, T64T plug-in shut-off valve, M/P24121 coil connectors, wall bracket 74504-50). Business Impact: Reduces BOM complexity and installation effort by offering a complete accessory ecosystem. Application: Packaging lines and automation cells that require noise reduction and quick-valve exchange.
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FAQs
Install the valve with the G1/2 port connected to the primary compressed air line and use the Rc1/8 gauge port for instrumentation. Mount the unit using a compatible wall bracket or fixture, and consider adding the MB004B silencer for noise reduction. Ensure the sealed plug is retained to maintain IP65 protection during operation.
The valve delivers a controlled spring-return and solenoid-pilot actuation that soft-starts the downstream pressure, reducing peak loads, extending actuator life, and improving cycle consistency. With a 57 dm3/s flow capacity, it supports mid-to-large actuator sizes and faster, more predictable startup sequences.
Yes. The P64F-4GC-PFN supports compliant startup control and contributes to meeting the European Machineries Directive and PUWER requirements by regulating startup pressure and ensuring robust IP65 protection in demanding environments.
Recommended accessories include MB004B Quietaire silencer, T64T-4GB-P1N plug-in shut-off valve, T40B1800 bronze silencer, and spare 22 mm electrical coil connectors M/P24121/1 or M/P24121/2. These components simplify installation, noise management, and maintenance during commissioning.
Verify port size G1/2, operating pressure range 3–10 bar, operating temperature -20 to 50 °C, IP65 rating with sealed plug, gauge port Rc1/8, valve type 3/2, and flow capacity 57 dm3/s. The body is zinc alloy with nitrile elastomer seals, and overall dimensions are 220 mm (L) × 105 mm (W) × 113 mm (H).