Norgren T74T-4GA-P1N Valve - Excelon 3/2, G1/2, Lockable
Part Number: T74T-4GA-P1N
Quick Summary
The T74T-4GA-P1N valve provides compact, reliable shut-off control for pneumatic automation in manufacturing lines. Engineers often struggle with inline installation constraints, stiction, and difficult maintenance when expanding modular valve networks. Certification considerations for such valves typically include CE marking for Europe, IP protection in harsh environments, and SIL-rated safety logic—verify specifics in the datasheet. The Excelon design supports both in-line and modular installations, enabling quick changeovers and reduced field labor. This combination delivers measurable value for machine builders and maintenance teams, improving uptime while lowering installation costs and spare-part variety across pneumatic control systems.
Product Information
Extended Description
T74T-4GA-P1N Norgren: Excelon design allows in-line installation or modular installation with other Excelon products | 1/8" threaded exhaust port | Easy to operate - low stiction | Lockable in the 'closed' position
Medium
Compressed air
Operating Temperature
-34 ... 65 °C, -30 ... 149 °F
Port Size
G1/2
Actuation
Slide leaver / Slide leaver
Maximum Inlet Pressure
17 bar
Valve operation
3/2
Flow
133 dm3/sec, 282 scfm
Materials - Body
Zinc
Materials - Elastomers
Nitrile rubber
Dimensions - Height
70 mm
Dimensions - Length
74 mm
Dimensions - Width
70 mm
Weight
0.3 kg
Country of Origin
Mexico
Range
T74T
Series
Excelon
Brand
IMI Norgren
T84T-4GA-B1N
Excelon Plus 3/2 modular system shut-off valve, G1/2
Excelon 3/2 modular system design allows inline installation or modular integration with other Excelon products, reducing installation time, inventory complexity, and commissioning risk. This fits well in automated lines and valve banks, delivering faster changeovers and improved system scalability for mid to large-scale projects. The G1/2 port size standardizes connections across multiple manifolds, simplifying procurement while supporting consistent sealing and compact footprints in control panels and equipment enclosures. The 1/8" threaded exhaust port provides flexible exhaust routing, reducing piping complexity in confined layouts and enabling smoother integration with existing plant air systems. Slide lever actuation delivers low stiction, improving repeatability, lowering actuation forces, and extending component life in high-cycle applications. With maximum inlet pressure up to 17 bar and 3/2 valve operation, this valve handles typical factory air networks with reliable cycle times and predictable response. The specified flow of 133 dm3/sec (282 scfm) supports fast actuation in demanding lines, helping to shrink cycle times and boost throughput. Zinc body with nitrile rubber elastomer seals gives robust durability and chemical resistance in mixed manufacturing environments, while the compact 70 x 74 x 70 mm envelope and 0.3 kg weight simplify mounting on crowded panels. The lockable in closed position feature enhances maintenance safety by ensuring the valve remains inert during service or diagnostics, addressing a common operator concern in automated systems. Compatibility with inline configurations and modular Excelon assemblies supports scalable automation architectures, reducing total cost of ownership for pneumatic control systems.
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FAQs
The T74T-4GA-P1N supports both inline installation and modular integration within Excelon assemblies. To install inline, mount the valve directly into a pneumatic line using the G1/2 port and connect upstream and downstream fittings. For modular setups, combine with other Excelon components on a common manifold or frame. The design minimizes alignment issues and simplifies mounting, reducing commissioning time and field wiring complexity.
Key specs include port size G1/2, maximum inlet pressure of 17 bar, valve operation as a 3/2 device, and a flow rate of 133 dm3/sec (282 scfm). The actuation is via a slide lever with low stiction, and the exhaust is accessible through a 1/8" threaded port. These numbers translate to fast actuation, reliable operation in typical plant air pressures, and predictable response in automated sequences.
Yes, the combination of low-stiction slide lever actuation, a 3/2 valve configuration, and a robust zinc body with nitrile elastomer seals supports frequent cycling. The 17 bar maximum inlet pressure and the 133 dm3/sec flow help maintain fast actuation even in demanding sequences, while modular Excelon compatibility simplifies scaling across high-volume lines.
Certification needs vary by region and application. For European operations, verify CE compliance; for harsh environments, consider IP-rated protection; for safety-critical installations, review SIL-related requirements. Always consult the official datasheet and supplier documentation to confirm current certifications specific to your installation and regulatory framework.
Datasheets and installation resources are available via the product downloads: Datasheet (PDF) at the Norgren CDN, Installation Guide (PDF) for Excelon74 parts, and CAD resources. Access CAD, CAD(STEP) files, and installation notes to ensure correct mounting, wiring (where applicable), and maintenance procedures before commissioning.