IMI Norgren C0KB00428 Pneufit C Push-in Fitting - 4mm G1/4
Part Number: C0KB00428
Quick Summary
The Pneufit C Push-in fitting delivers tool-free, secure connections for compressed air lines in automated systems. In busy plants, installers struggle with time-consuming assemblies and inconsistent seals; this fitting design minimizes downtime by enabling quick, reliable connections without tools. As a result, maintenance cycles become shorter and leak risk is reduced. Built for durability, the components use nickel-plated brass and a releasable stainless-steel grab-ring, with silicone-free U-packing to protect against contamination. The product aligns with CE-compliant practices and supports SIL-related safety considerations in appropriate configurations, while maintaining long-term performance in demanding environments. For engineers and procurement teams, this means predictable installation, reduced part variety, and improved total cost of ownership for pneumatic circuits.
Product Information
Extended Description
C0KB00428 Norgren: Norgren Pneufit® C fittings are ready to use, offering fast assembly with no need for tools and providing optimum flow | Releasable stainless-steel grab-ring to grip nylon or polyurethane tube (85 or 95 durometer) | Nickel plated brass components provide corrosion and contamination resistance and an extended life | Immediate quality sealing using silicone free U-packing
Medium
Compressed air
Operating Temperature
-20 ... 60 °C, -4 ... 140 °F
Operating Pressure
0 ... 10 bar, 0 ... 145 psi
Port Size
G1/4, 4mm
O/D Tube
4 mm
Thread
G1/4
Shape
Banjo
Materials - Body
Plastic PBT
Materials - Seals
NBR (silicone free)
Dimensions - Height
18 mm
Dimensions - Length
34.5 mm
Dimensions - Width
37 mm
Weight
0.02 kg
Country of Origin
South Korea
Range
C0KB0
Series
Pneufit C
Brand
IMI Norgren
PA2-0004100
Polyamide tube, Natural, 100m, 4mm/2.5mm
PA2-0004025C
Polyamide tube, Natural, 25m, 4mm/2.5mm
Tool-free installation accelerates setup and reduces field downtime, enabling faster line commissioning and less training overhead. Business impact: lower labor costs, quicker time-to-first-run, and improved project throughput. Application: panel-mounted or compact manifolds in automated cells where space is tight and precision is critical. The releasable stainless-steel grab-ring provides reliable tube engagement for nylon or polyurethane tubes (85 or 95 durometer), with immediate release when maintenance is needed. Business impact: simpler maintenance routines and reduced risk of accidental leakage during disassembly. Application: field service and reconfiguration of pneumatic circuits without tools. Nickel-plated brass components offer corrosion and contamination resistance, extending service life in harsh environments. Business impact: lower replacement frequency and better total cost of ownership. Application: production floors with cleaning cycles or exposure to moisture. Silicone-free U-packing ensures clean, fast sealing without silicone contamination. Business impact: reduces particle contamination risk and supports compliance in cleanliness-sensitive assemblies. Application: medical/commercial automation where seal integrity matters. The compact PBT body with 34.5 mm length, 18 mm height, and 37 mm width fits tight spaces while maintaining robust performance. Business impact: small form factor enables distribution across compact manifolds and space-constrained machines. Application: retrofits or new builds using 4 mm O/D tubing and G1/4 threads. Tubing compatibility includes PA2-0004100 and PA2-0004025C polyamide tubes, ensuring seamless integration with existing pneumatic networks. Business impact: minimizes inventory variety and accelerates procurement. Application: standard pneumatic systems relying on shielded banjo connections.
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FAQs
To install, ensure the tube end is cut square and fully deburred. Push the tube into the fitting until the releasable grab-ring engages with a firm click. Removal is achieved by depressing the grab-ring and pulling the tube straight out. No tools are required, reducing assembly time and potential damage from improper tool use.
The fitting is designed for compressed air with an operating pressure range of 0 to 10 bar and a temperature range of -20 to 60 °C (-4 to 140 °F). These limits suit typical factory air systems, ensuring reliable performance across standard automation environments.
Yes. The Pneufit C C0KB00428 supports 4 mm O/D nylon or polyurethane tubing with a 85–95 duro range. The stainless-steel grab-ring provides secure engagement and straightforward removal, facilitating quick field maintenance and circuit reconfiguration.
The body is made of plastic PBT with nickel-plated brass components for corrosion resistance. Seals use NBR that is silicone-free, reducing potential silicone contamination in sensitive pneumatic applications. These materials balance durability with low contamination risk in automated systems.
Key benefits include reduced assembly time due to tool-free connections, lower maintenance downtime, and enhanced longevity from corrosion-resistant materials. The silicone-free sealing reduces contamination risk, while compact dimensions enable dense manifold designs, contributing to lower total cost of ownership and smoother production throughput.