Norgren T70C4800 Quick Exhaust Valve - G1/2
Part Number: T70C4800
Quick Summary
Norgren T70C4800 Quick Exhaust Valve rapidly vents air from cylinders in pneumatic automation systems. Engineers often struggle with sluggish cylinder return due to trapped air and extended exhaust times, which throttles throughput. Designed for industrial reliability, it features an aluminium body and nitrile seals that withstand -20 to 80 C and 0.5 to 10 bar, with CE safety alignment and robust IP-rated performance in harsh environments. The compact, simple design makes installation quicker and maintenance easier, while standard G1/2 connections ensure easy piping and retrofits, minimizing installation risk. With readily accessible CAD models and datasheets, teams accelerate integration, reduce engineering risk, and protect project timelines across machine build and retrofit programs.
Product Information
Extended Description
T70C4800 Norgren: Enables air to be exhausted quickly from air reservoirs and cylinders | Allows higher cylinder speeds to be achieved | Simple, compact design and construction | Very reliable in operation
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Operating Pressure
0.5 ... 10 bar, 7 ... 145 psi
Port Size
G1/2
Thread
G1/2
Materials - Body
Aluminium alloy
Materials - Seals
Nitrile rubber
Range
T70
Brand
IMI Norgren
Feature: Fast exhaust action with standard G1/2 port. Business Impact: Reduces cylinder return times and increases cycle speeds, boosting overall line throughput on automation equipment. Application: Ideal for pneumatic clamps and grippers that require rapid venting without compromising reliability. Feature: Aluminium alloy body with nitrile seals. Business Impact: Delivers durable, corrosion-resistant performance across typical factory conditions and temp ranges. Application: Suitable for harsh environments on assembly lines and packaging systems. Feature: Compact, straightforward design. Business Impact: Simplifies installation, reduces panel space, and minimizes leak paths. Application: Fits tight machine bays and retrofit projects where space is at a premium. Feature: Standard thread and port compatibility. Business Impact: Enables quick integration with existing pneumatic lines and fittings, reducing downtime. Application: OEM equipment upgrades and plant-wide retrofits. Feature: CAD and datasheet availability. Business Impact: Accelerates design-in, lowers engineering risk, and shortens procurement cycles. Application: Engineering design reviews and supplier onboarding for pneumatic systems.
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FAQs
The T70C4800 uses a G1/2 port and thread, matching most standard pneumatic fittings. This simplifies installation, reduces the need for adapters, and minimizes leak paths. During mounting, ensure proper alignment with hoses and use appropriate clamps and thread sealant. The aluminium body and nitrile seals contribute to long-term sealing performance in typical plant environments.
Operating pressure range is 0.5 to 10 bar (7 to 145 psi) and operating temperature range is -20 to 80 C (-4 to 176 F). The valve is designed for compressed air and maintains performance across this range, making it suitable for varied production lines and climates while ensuring consistent exhaust behavior.
Yes. The valve is purpose-built to facilitate rapid exhaust, enabling faster cylinder retraction and higher cycle speeds. This directly improves throughput in high-speed applications such as robotic pick-and-place, packaging, and transfer conveyors, while maintaining reliable venting even in demanding production environments.
CAD models are available through the CAD download option, and a Datasheet (PDF) is provided for detailed specifications and installation guidelines. Using these resources helps ensure proper fitment, accurate hole patterns, and correct mounting clearances during design-in and procurement processes.
Regular inspection of the nitrile seals and the aluminium body for signs of wear or leakage is advised, particularly in oil-contaminated or extreme-temperature environments. For long-term reliability, maintain clean, dry compressed air, replace seals as part of scheduled maintenance, and consult the datasheet for torque and installation guidelines to mitigate leakage and performance drift.