Norgren P72F-2GC-PNN Excelon dump valve - 3-10 bar
Part Number: P72F-2GC-PNN
Quick Summary
Norgren P72F-2GC-PNN Excelon dump valve is a solenoid-operated device that provides a precise, controlled pressure ramp for pneumatic systems during start-up, helping machines reach full performance quickly. Without proper soft-start control, systems risk pressure spikes, slower startup, and non-compliance with machinery directives. The valve supports European Machineries Directive and PUWER by ensuring a safe, gradual pressurization sequence at start. With a G1/4 port and the Excelon platform, engineers gain predictable startup, reduced energy use, and faster commissioning across OEM and retrofit environments. The rugged zinc alloy body and synthetic elastomer seals deliver durability in demanding plants, while straightforward installation improves maintenance cycles and total cost of ownership.
Product Information
Extended Description
P72F-2GC-PNN 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 ... 122 °F
Operating Pressure
3 ... 10 bar, 44 ... 145 psi
Port Size
G1/4
Actuation
Solenoid pilot / Spring return
Valve operation
3/2
Flow
21 dm3/sec, 45 scfm
Materials - Body
Zinc alloy
Materials - Elastomers
Synthetic material
Range
P72F
Series
Excelon
Brand
IMI Norgren
T72T-2GA-P1N
Excelon 3/2 modular system shut-off valve, G1/4
4216-52
Porting Block - Excelon 72 Series, Connection G1/4"
4215-08
Excelon Plus Pipe Adaptor, G1/4"
4214-51
Quikclamp
4224-50
'Universal' Bracket
4214-52
Quikclamp with wall mounting bracket
MB002B
Quietaire heavy duty silencer male, R1/4
QM/48/18J/21
Spare Coils
QM/48/12J/21
Spare Coils
QM/48/13J/21
Spare Coils
QM/48/19J/21
Spare Coils
Feature: Precise soft-start and dump control provides a controlled ramp of downstream pressure. Business Impact: Minimizes peak loads and vibration, protecting downstream components and reducing energy spikes. Application: Ideal for start-up of cylinders, clamps, and actuator trains in packaging lines and automated assembly. Feature: High flow capacity of 21 dm3/sec (45 scfm) enables rapid venting and robust downstream performance. Business Impact: Supports faster cycle times and consistent actuator retraction, improving line throughput and reducing dwell time on start. Application: Suitable for high-demand start-ups on multi-cavity tooling and high-speed feeders. Feature: Port size G1/4 and 3/2 valve operation plus solenoid pilot with spring return. Business Impact: Simplifies electrical control and ensures reliable default states, easing panel wiring and fault handling. Application: Fits standard automation cabinets and modular manifolds. Feature: Durable zinc alloy body with synthetic elastomer seals. Business Impact: Delivers lasting reliability in harsh industrial environments across -20 to 50 C. Application: Ideal for machine halls, workshops, and retrofit projects where long service life matters. Feature: Excelon modular compatibility with accessories and add-ons. Business Impact: Enables smooth integration with existing Excelon components and fast retrofits. Application: Works with T72T-2GA-P1N shut-off valves, porting blocks, and quikclamp options for clean installations.
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FAQs
The P72F-2GC-PNN uses a standard G1/4 port and a 3/2 valve arrangement with solenoid pilot and spring return, allowing straightforward integration into most standard manifolds and actuator assemblies. It pairs well with Excelon 72-series components and compatible accessories such as porting blocks and shut-off valves, enabling seamless upgrades or retrofits without extensive rewiring.
Key specifications include G1/4 port size, 3/2 valve operation, solenoid pilot actuation with spring return, and a flow of 21 dm3/sec (45 scfm). The operating pressure range is 3 to 10 bar, and the body is constructed from zinc alloy with synthetic elastomer seals, designed for -20 to 50 C environments and compressed-air media.
Yes. The valve delivers a controlled pressure ramp with high forward flow capacity, enabling rapid, smooth startup of cylinders and tooling. Its 3/2 configuration and solenoid pilot allow quick actuation, while the Excelon platform supports reliable cycling in high-speed lines, reducing cycle times and improving line throughput.
The Excelon P72F-2GC-PNN assists compliance with the European Machineries Directive and PUWER by delivering a safe, controlled pressurization sequence during startup, minimizing startup shocks and associated operator risk. This helps meet risk assessment requirements and supports safer integration of pneumatic systems in machinery under European guidelines.
For reliability, consider spare solenoid coils (e.g., QM/48/18J/21; QM/48/12J/21; QM/48/13J/21; QM/48/19J/21) and compatible silencers (MB002B). Keep Quikclamp and porting accessories on hand for rapid field retrofits, and monitor elastomer seals for wear in demanding environments. Regular inspections of porting blocks and manifolds help maintain peak performance.