Norgren P64F-NNC-NFA Dump Valve - 3-10 bar, Sol/Spring Operated
Part Number: P64F-NNC-NFA
Quick Summary
Norgren P64F-NNC-NFA dump valve provides controlled pressure relief for pneumatic systems during startup, enabling smoother machine operation in assembly lines and packaging equipment. For engineers facing downstream pressure spikes that stall lines or wear seals, this valve delivers a predictable ramp with a soft-start that protects components. The design supports CE conformity under the European Machinery Directive and can help satisfy PUWER requirements, reducing regulatory risk for new installs and modernizations. With Olympian Plus reliability, the valve offers high forward flow, 3/2 operation, and solenoid pilot with spring return, simplifying integration with standard controls. Availability of compatible yoke assemblies and mounting accessories helps streamline installation and lifecycle cost planning.
Product Information
Extended Description
P64F-NNC-NFA 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
Without Yoke
Actuation
Solenoid pilot / Spring return
Valve operation
3/2
Flow
57 dm3/sec, 121 scfm
Materials - Body
Zinc alloy
Materials - Elastomers
Nitrile rubber
Range
P64F
Series
Olympian Plus
Brand
IMI Norgren
Y64A-4GA-N1N
Yoke assemblies
Y64A-4GA-N2N
Yoke assemblies
Y64A-4GA-N3N
Yoke assemblies
74504-50
Wall Bracket
MB004B
Quietaire heavy duty silencer male, R1/2
QM/48/13J/21
Spare Coils
Feature: Soft-start pressure ramp reduces downstream shock. Business Impact: Extends actuator life, lowers maintenance costs, and improves line uptime. Application: Start-up sequences on packaging and automation lines. The Norgren P64F-NNC-NFA delivers a controlled pressure increase to minimize surge, enabling smoother operation and reduced downtime. Feature: Solenoid pilot with spring return offers dependable actuation. Business Impact: Simplifies control wiring, provides reliable cycling, and enhances retrofit compatibility. Application: Integrations with PLCs and existing control logic across manufacturing cells. Feature: High forward flow capacity supports rapid venting during start-up. Business Impact: Improves cycle times and improves throughput on conveyors and tool machines. Application: High-demand automation environments where fast, controlled venting is critical. Feature: Operating range 3–10 bar and 57 dm3/s flow (121 scfm). Business Impact: Compatibility with a wide range of compressed air systems and scalable performance. Application: General automation, packaging lines, and machine tools. Feature: Without yoke port size with optional yoke assemblies (Y64A-4GA-N1N/N2N/N3N). Business Impact: Flexible mounting options and straightforward upgrades, reducing installation time. Application: Space-constrained installations and systems requiring modular mounting. Feature: Zinc alloy body and nitrile elastomer seals for durability. Business Impact: Long service life in demanding environments with good chemical resistance. Application: Industrial floors, workshop environments, and process lines. Feature: Part of Olympian Plus range with compatible mounting, silencers, and coils. Business Impact: Streamlined procurement and maintenance planning; easier spares strategy. Application: Integrated systems using Norgren components for reliability and supply chain coherence.
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FAQs
The P64F-NNC-NFA is shipped without a yoke by design. For mounting without a yoke, use compatible wall/bracket fittings such as the 74504-50 Wall Bracket and consider the Y64A-4GA-N1N, N2N, or N3N yoke assemblies if you later decide to add a mounting fixture. The result is a compact, flexible installation suitable for tight spaces in automation cells.
Operating pressure ranges from 3 to 10 bar (43 to 145 psi), and operating temperature spans -20 to 50 °C (-4 to 149 °F). This makes the valve suitable for standard factory compressed air systems and typical workshop environments while maintaining reliable actuation across the stated conditions.
Applications with sensitive downstream actuators, like automated packaging lines, assembly stations, and conveyors, benefit most. The soft-start reduces shock on cylinders and valves, improving lifecycle and uptime, while the 3/2 configuration aligns with common pneumatic control schemes and PLC logic.
Yes. The valve is designed to support CE conformity under the European Machinery Directive and to assist PUWER compliance for equipment in the workplace. This helps reduce project risk during commissioning and modernization projects across European facilities.
Spare coils are available under QM/48/13J/21, and Yoke assemblies are offered as Y64A-4GA-N1N/N2N/N3N. Optional mounting and silencers, such as the 74504-50 Wall Bracket and MB004B Quietaire silencer, can simplify installation and reduce downtime when performing routine maintenance.