Norgren P72F-2GL-NNN Excelon soft start valve - EU directive
Part Number: P72F-2GL-NNN
Quick Summary
The P72F-2GL-NNN Excelon soft start valve precisely controls startup pressure in compressed air systems for automated assembly lines and packaging equipment. This helps engineers avoid sudden pressure spikes that can cause actuator stalling, increased wear, or unsafe cycling. The design supports regulatory compliance with the EU Machinery Directive and PUWER requirements, ensuring safer, compliant machinery installations. By delivering a controlled ramp of downstream pressure, it reduces peak loads and protects downstream cylinders. With a solenoid pilot and spring return and a compact G1/4 footprint, it integrates quickly with existing Excelon modular accessories, delivering reliable operation across varying duty cycles.
Product Information
Extended Description
P72F-2GL-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 ... 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
Solenoid pilot / Spring return: This actuation provides a reliable, fail-safe response and fast reset, enabling precise control of startup pressure while minimizing cycle times in automated lines. Application teams benefit from easier wiring, predictable sequencing, and improved actuator longevity. 3/2 Valve operation: The compact valve geometry delivers clean, defined flow paths, reducing leaks and cross-contamination in pneumatic circuits while simplifying diagnostics during maintenance. Application examples include pick-and-place robots and clamps where repeatable startup is critical. High flow capability: With a flow rating of 21 dm3/sec (45 scfm), the Excelon valve supports rapid pressure ramping, shortening machine startup times and increasing line throughput. This is especially valuable in high-demand packaging and assembly lines that require consistent performance. G1/4 Port and compact form: The G1/4 port size aligns with standard pneumatic plumbing, enabling straightforward installation and integration with Excelon 72 Series accessories like porting blocks and shut-off valves. Durability and materials: A zinc alloy body with synthetic elastomers ensures robust performance in factory environments while resisting typical wear and corrosion. Range and series alignment: Part of the P72F range within the Excelon series, designed for modularity and scalable automation projects, with compatibility to spare coils and accessory ecosystem (e.g., T72T-2GA-P1N) to minimize downtime and stock variety. Compatibility and installation advantages: The valve’s modular design and accessory ecosystem simplify field upgrades, retrofit projects, and maintenance planning, reducing total cost of ownership while maintaining regulatory alignment and predictable performance.
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FAQs
What mounting options and ancillary parts support quick installation? The P72F-2GL-NNN is designed for the Excelon 72 Series modular system, using standard G1/4 ports and a compact footprint. Accessories such as T72T-2GA-P1N shut-off valves, porting blocks (4216-52), and pipe adaptors (4215-08) simplify alignment and reduce piping complexity. This modular approach supports fast field upgrades and minimizes downtime during retrofit projects.
Key specifications include a G1/4 port size, 3 to 10 bar operating pressure, 21 dm3/sec (45 scfm) flow, and a 3/2 valve operation with solenoid pilot and spring return. These figures enable predictable pressure ramping during machine startup, reducing actuator shock, cycle time, and energy waste while maintaining reliable downstream performance across typical automation workloads.
Yes. The valve is designed for automated packaging and assembly lines where controlled startup pressure is critical. Its Excelon series heritage provides high forward flow, quick response, and easy integration with modular accessories. The combination supports faster line startup, improved cycle reliability, and compatibility with standard compressed-air systems used in modern manufacturing environments.
The design emphasizes compliance with European regulatory frameworks such as the EU Machinery Directive and PUWER, aiding machine designers in achieving regulatory alignment. While not a certification, the product’s features—precise pressure ramping, robust construction, and modular integration—support safer operation and easier regulatory demonstrations in European manufacturing environments.
The solenoid pilot / spring return actuation provides predictable, low-wear operation with minimal moving parts exposed to the process, reducing maintenance intervals. The zinc alloy body and synthetic elastomers balance durability with favorable sealing performance. Spare coils (QM/48/12J/21, QM/48/13J/21, QM/48/18J/21, QM/48/19J/21) are readily available to minimize downtime during coil replacement, while the modular accessory ecosystem supports straightforward servicing and lifecycle management.