The Norgren T74E-4AA-P1N is a 1/2″ PTF ported 3/2 lockout valve from the Excelon T74E Series, designed to enhance safety in pneumatic systems by allowing for secure isolation of air supply during maintenance or emergencies.
Key Features
- Excelon Design: Facilitates both in-line and modular installation, providing flexibility in system integration.
- Lockable in Closed Position: Ensures the valve can be securely locked only when in the closed position, preventing accidental re-energization.
- OSHA Compliance: Aids in adhering to OSHA lockout regulations in the USA, promoting workplace safety.
Technical Specifications
- Port Size: 1/2″ PTF
- Valve Operation: 3/2 (three ports, two positions)
- Actuation: Slide lever
- Maximum Inlet Pressure: 250 psi (17 bar)
- Operating Temperature Range: -30°F to 150°F (-34°C to 65°C)
- Flow Rate (Cv): 8.1
- Body Material: Zinc alloy
- Elastomers: Nitrile rubber (NBR)
Accessories
- Excelon 73 & 74 Series Quikclamp: Item: 4314-51
- Excelon 73 & 74 Series Quikclamp with Wall Mounting Bracket: Item: 4314-52
- Excelon Quikmount Pipe Adapter, 1/2″ NPT Port: Item: 4315-03
The Norgren T74E-4AA-P1N lockout valve is an essential component for ensuring the safety and compliance of pneumatic systems, offering reliable performance and ease of integration.

















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