Norgren T84T-4AA-B1N Valves & Flow Control - 3/2 Rotary

Part Number: T84T-4AA-B1N
Manufacturer
Norgren
Part number
T84T-4AA-B1N

Quick Summary

Norgren T84T-4AA-B1N is a compact, modular shut-off valve designed for compressed air systems. It helps engineers overcome space constraints and installation complexity with its flexible Excelon Plus 3/2 modular design. The Excelon Plus family supports CE marking, IP-rated variants, and SIL-capable configurations to meet common industry standards, with tamper-proof options for safety-critical lines. With a 1/2" PTF port and a 20 bar maximum inlet, it delivers predictable performance in compact layouts. This valve combines lightweight construction with robust materials and integrated mounting options, delivering faster installation, easier maintenance, and reduced lifecycle costs for automation projects.

Product Information

Extended Description

T84T-4AA-B1N Norgren: Reduced weight and size compared with previous series | A flexible modular system | Tamper proof options using built in padlock | Rotating safety shut-off valve
Medium
Compressed air
Operating Temperature
-20 ... 65 °C, -4 ... 149 °F
Port Size
1/2" PTF
Actuation
Rotary knob / Rotary knob return
Maximum Inlet Pressure
20 bar
Valve operation
3/2
Flow
162 dm3/sec, 343 scfm
Materials - Body
Diecast aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
108 mm
Dimensions - Length
72 mm
Dimensions - Width
70 mm
Weight
0.48 kg
Country of Origin
United Kingdom
Range
T84T
Series
Excelon Plus
Brand
IMI Norgren
840055-01KIT
Padlock
840055-02KIT
Padlock Hasp
840024-50KIT
Excelon Plus General Mounting Bracket
840015-03KIT
Excelon Plus Port Adaptors 1/2" PTF
840014-51KIT
Excelon Plus Quikclamp
840014-52KIT
Excelon Plus Quikclamp with Bracket Assembly
C/S2
Porous plastic muffler, C/S2, 1/4" NPT
MS002A
Sintered bronze muffler, 1/4" NPT
Feature → Business Impact → Application: The T84T-4AA-B1N uses a 3/2 valve operation with rotary knob actuation, enabling precise, one-hand control in tight spaces. This translates to higher process reliability and reduced operator fatigue on packaging and assembly lines where space is at a premium. Application: Use in compact automation cells where quick manual override is required without compromising safety. The diecast aluminium body weighs 0.48 kg, delivering a strong strength-to-weight ratio that reduces handling effort and inertia in high-cycle environments. Application: Multi-port manifolds and modular frames where weight savings improve dynamic response and installation efficiency. Port size is 1/2" PTF and maximum inlet pressure is 20 bar, ensuring compatibility with standard compressed air systems while maintaining a safe operating envelope. Application: General automation lines with standard pneumatic fittings. Tamper-proof options using built-in padlock support plant security and prevent unauthorized use, reducing risk of accidental or intentional misoperation. Application: Safety-critical conveyors or pick-and-place tasks where access control is required. The Excelon Plus range provides mounting brackets and port adaptors (840024-50KIT, 840015-03KIT) for fast, vibration-resistant integration. Application: Rapid commissioning in retrofit projects or new lines. Silencers like C/S2 (1/4" NPT) and MS002A options help achieve compliant noise levels in production environments. Application: Noise-sensitive medical, food, or electronics assembly environments. With a flow of 162 dm3/sec (343 scfm), the valve supports consistent supply even during peak demand, addressing common pressure-drop concerns. Application: High-speed actuation on air-driven tooling and cycle-intensive processes.

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FAQs

The T84T-4AA-B1N is designed for quick integration with Excelon Plus mounting hardware. Use the 840024-50KIT General Mounting Bracket and 840015-03KIT Port Adaptors to align the valve with your existing manifold or panel. The compact dimensions (72 mm length, 70 mm width, 108 mm height) support tight assemblies, while the 1/2" PTF port ensures compatibility with standard pneumatic plumbing.
Key specs include 3/2 valve operation, 20 bar maximum inlet pressure, port size 1/2" PTF, flow of 162 dm3/sec (343 scfm), and operating temperature range -20 to 65 °C (-4 to 149 °F). The body is diecast aluminium with nitrile rubber elastomers, offering a balance of strength and resilience in typical industrial environments.
Yes, the valve’s 3/2 operation, rotary knob actuation, and compact 0.48 kg aluminium body support rapid cycling and reliable control in packaging lines. The integrated mounting options and tamper-proof variants reduce downtime and misoperation, contributing to higher line efficiency and lower maintenance time per shift.
The Excelon Plus family commonly aligns with CE marking and IP-rated variants to meet general industry safety and environmental protections. For safety-critical applications, look for SIL-capable configurations within the broader range and confirm the exact model specifications with the supplier or product datasheet to ensure compliance for your specific use case.
Tamper-proof options (padlock capability) help prevent unauthorized operation, reducing the risk of unplanned tool changes or line stoppages. In high-availability lines, this translates to fewer unplanned shutdowns, longer mean time between maintenance, and predictable process uptime—key drivers of overall equipment effectiveness (OEE) and return on investment.