Overview
The Norgren T72E-3AA-P1N is a 3/2-way manual lockout valve from the Excelon T72 series, specifically designed to meet OSHA lockout regulations in the USA market. This pneumatic valve features 3/8″ NPT female threaded ports and a yellow slide actuator that enables operators to safely isolate downstream pneumatic circuits. The untapped exhaust port allows air to vent from the cylinder or load when the valve is closed, making it ideal for machinery safety and energy isolation applications.
Key Features
- OSHA Compliant Design: T72E series lockout valves help machines conform to USA OSHA lockout/tagout regulations
- Closed-Position Locking: Valves can be locked in the closed position only, preventing accidental actuation during maintenance
- Modular Construction: EXCELON design allows inline or modular installation with other Excelon 72, 73, and 74 series components
- Manual Slide Actuation: Reliable manual operation with clear, tactile feedback
- Untapped Exhaust: Exhaust outlet is not tapped, allowing free venting of downstream pressure
Technical Specifications
- Valve Configuration: 3/2-way, 2-position shut-off/lockout
- Port Size: 3/8″ PTF (female)
- Thread Type: NPT (National Pipe Thread)
- Actuation: Manual slide (yellow actuator)
- Maximum Pressure: 250 psi (17 bar)
- Flow Capacity: Cv 8
- Body Material: Zinc-alloy housing
- Weight: Approximately 0.39 kg per unit
- Media: Compressed air
- Ports: Inlet, outlet, and untapped exhaust
Typical Applications
The Norgren T72E-3AA-P1N is commonly used in:
- Pneumatic cylinder isolation during maintenance and lockout procedures
- Machine safeguarding systems requiring OSHA compliance
- Air tool supply control in manufacturing and assembly environments
- Emergency shut-off points in automated pneumatic circuits
- Bulk packaging and distribution applications
- Industrial automation requiring manual isolation capability
Compatibility & Replacements
Compatible With
- Norgren Excelon T72, T73, and T74 series modular valve systems
- 3/8″ NPT female-threaded pneumatic systems
- Standard pneumatic cylinders and actuators rated for 250 psi or less
- Industrial pneumatic circuits and tool systems
- OSHA-regulated machinery safety isolation applications
Replaces / Drop-In Replacement For
- Norgren T72E-3AA-P1N (original specification)
- Verify compatibility with your system integrator or pneumatics specialist before ordering alternate models
Works With
- ISO 1219 pneumatic schematic symbols
- Standard pneumatic tubing and hose (NPT threaded connections)
- Manual lockout devices and safety clips
- Norgren mounting kits (Item: 4214-51, 4214-52, 4215-03)
- Any OSHA-compliant lockout/tagout (LOTO) procedure
