Norgren P72F-3GC-PFA Excelon soft start dump valve - 3-10 bar G3/8
Part Number: P72F-3GC-PFA
Quick Summary
P72F-3GC-PFA is an Excelon soft start dump valve for controlled pneumatic start-up in automated machines. Engineers often contend with dangerous pressure spikes that disrupt uptime, complicate safety audits, and hinder regulatory compliance. The design supports compliance with the European Machineries Directive and PUWER, helping safe commissioning and easier validation of new and existing equipment. With a 3/2 valve operation, G3/8 porting, and high forward flow, it delivers predictable start-up behavior. In practice, it integrates smoothly with Excelon peripherals across the 72 Series, delivering reliable pneumatic control while maintaining cost-efficient maintenance cycles.
Product Information
Extended Description
P72F-3GC-PFA 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
G3/8
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
4215-09
Excelon Plus Pipe Adaptor, G3/8"
4216-52
Porting Block - Excelon 72 Series, Connection G1/4"
4214-51
Quikclamp
T72T-3GA-P1N
Excelon 3/2 modular system shut-off valve, G3/8
4214-52
Quikclamp with wall mounting bracket
4224-50
'Universal' Bracket
MB002B
Quietaire heavy duty silencer male, R1/4
QM/48/13J/21
Spare Coils
Feature → Business Impact → Application: The valve provides a compressed air medium and operates within a 3 to 10 bar range, enabling a controlled pressure ramp that reduces downstream surge while protecting actuators and downstream equipment, increasing line uptime in automated packaging and assembly lines. Feature → Business Impact → Application: Solenoid pilot with spring return offers straightforward integration with standard electrical controls, improving install times and reducing wiring complexity on new builds or retrofits in CNC zones and pick-and-place systems. Feature → Business Impact → Application: Zinc alloy body and synthetic elastomer elastomers deliver robust resistance to typical shop air contaminants, extending service life in harsh manufacturing environments and lowering maintenance costs for continuous operations. Feature → Business Impact → Application: G3/8 port size and 3/2 valve operation provide compatibility with common pneumatic manifolds and piping layouts, enabling quick hardware swaps and reduced system rework during line upgrades. Feature → Business Impact → Application: Availability of Excelon accessories such as pipe adaptors and porting blocks streamlines installation and reduces total cost of ownership by supporting modular configurations across the Excelon 72 Series. Feature → Business Impact → Application: CAD and Datasheet downloads facilitate precise integration and validation in engineering workflows, speeding up approvals and commissioning in regulated facilities.
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FAQs
Install the valve with the G3/8 porting into the upstream manifold, secure mounting with appropriate brackets, and connect the solenoid pilot wiring to a compatible control PLC or relay. Ensure correct orientation for the 3/2 valve operation and verify leak-free seals with standard pneumatic fittings. Use the Excelon installation guide for step-by-step wiring and mounting best practices.
The valve operates between 3 and 10 bar (44 to 145 psi). Flow capacity is specified as 21 dm3/sec (approximately 45 scfm), enabling rapid, controlled pressurization of downstream circuits while minimizing surge during start-up.
Yes. The Excelon P72F-3GC-PFA is designed to assist compliance with the European Machinery Directive and PUWER, supporting safer commissioning and validation of new or retrofitted machinery in European manufacturing environments.
The design aligns with European regulatory expectations for machinery control, including compatibility with typical CE-compliant installation practices and EU safety frameworks. It is built to support safe start-up sequences and regulatory documentation in production environments that rely on recognized electrical and pneumatic safety standards.
Regular inspection of seals and elastomer components, especially in high-cycle or dirty air environments, preserves performance. The zinc alloy body and synthetic elastomers offer robustness, while accessories such as Quikclamp and porting blocks simplify retrofits. Digital CAD datasheets aid in accurate part replacement and documented compliance, reducing downtime during maintenance windows.