Norgren M01250418 Pneufit M Push-in Fitting - 4mm / R1/8
Part Number: M01250418
Quick Summary
Pneufit M Push-in fitting enables tool-free, fast connections for compact compressed air systems in automation panels. In tight control panels, traditional fittings complicate routing and increase assembly time. These M Series components are CE-compliant and built for durability, with nickel-plated brass bodies, a releasable stainless-steel grab ring, and silicone-free U-packing to resist leakage. Together with pre-applied thread sealant and compact dimensions, they offer faster installation, lower maintenance, and improved system reliability for automation lines. The design emphasizes space efficiency, with an ultra-compact form factor and mounting holes on all union fittings to simplify panel integration. With compatible 4mm nylon or polyurethane tubing and a reliable seal system, technicians can reduce leak-related rework and extend service life.
Product Information
Extended Description
M01250418 Norgren: Pneufit M fittings are ready to use, offering fast assembly with no need for tools and providing optimum flow | Pneufit M is an ultra compact alternative when space is at a premium | 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 | Pre-applied thread sealant on all taper threads provides optimum rapid sealing | Internal and external hexagons on straight fititngs | Immediate quality sealing using silicone free U-packing | Mounting holes on all union fittings
Medium
Compressed air
Operating Temperature
-20 ... 60 °C, -4 ... 140 °F
Operating Pressure
0 ... 10 bar, 0 ... 145 psi
Port Size
4mm, R1/8
O/D Tube
4 mm
Thread
R1/8
Shape
Straight
Materials - Body
Plastic PBT
Materials - Seals
Nitrile rubber
Dimensions - Height
13.5 mm
Dimensions - Length
19 mm
Dimensions - Width
13.5 mm
Weight
0.005 kg
Country of Origin
South Korea
Range
M0125, M0225
Series
Pneufit M
Brand
IMI Norgren
PA2-0004100
Polyamide tube, Natural, 100m, 4mm/2.5mm
PA2-0004025C
Polyamide tube, Natural, 25m, 4mm/2.5mm
Feature: Tool-free push-in connection with a compact footprint. Business Impact: Speeds up assembly, reduces panel real estate needs, and lowers downtime during line changes. Application: Ideal for space-constrained automation panels and quickly reconfigurable test rigs. In practice, installers experience faster commissioning and easier relocation of lines without compromising seal integrity. Feature: Nickel-plated brass body with a releasable stainless-steel grab ring. Business Impact: Delivers corrosion resistance and repeatable tube grip, extending component life in challenging environments. Application: Suitable for factory floors with exposure to humidity or mild contaminants, where long-term reliability matters. Feature: Silicone-free U-packing and pre-applied thread sealant. Business Impact: Improves seal quality on taper threads and minimizes silicone contamination in the line, reducing maintenance cycles. Application: Supports clean pneumatic circuits in medical, food-grade, or precision tooling contexts. Feature: Internal and external hexes on straight fittings and mounting holes on union fittings. Business Impact: Simplifies mounting, alignment, and torque control, leading to consistent performance and fewer installation errors. Application: Quick field servicing and repeatable assemblies in dense control cabinets. Feature: Tubing compatibility with polyamide (nylon) and polyurethane tubes (85/95 durometer). Business Impact: Broadens supplier options and reduces replacement costs while maintaining reliable seals. Application: Connects PA2-0004100 and PA2-0004025C tubing variants for diverse automation configurations.
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FAQs
To install the M01250418 with 4 mm tubing in a tight enclosure, begin by cutting the tube square and deburring. Push the tube into the push-in fitting until it seats, then ensure the stainless-steel grab ring engages the tube for a secure grip. Apply the taper-thread sealant on the R1/8 thread, thread the adaptor fully, and tighten by hand plus a quarter turn. Finally, pressurize the line and inspect for leaks.
Yes. The M01250418 Pneufit M push-in adaptor is designed to seal on 4 mm OD polyamide tubes such as PA2-0004100, and it also accommodates 4 mm/2.5 mm variants. The system supports nylon (polyamide) and polyurethane tubing with 85 or 95 durometer hardness; ensure proper tube preparation for leak-free performance.
The fitting operates from -20 to 60 °C (-4 to 140 °F) and supports pressures from 0 to 10 bar (0 to 145 psi). Performance depends on tube material and system cleanliness; for best results maintain clean fittings, proper deburring, and correct seating of the tube in the push-in connection.
Silicone-free U-packing reduces silicone migration into the downstream pneumatic circuit, minimizing contamination risk and potential adhesive or coating interference. It provides reliable, immediate sealing and helps maintain long-term system integrity, which translates to lower maintenance intervals, fewer leak-related disruptions, and improved overall uptime for automated lines.
The straight M01250418 variant includes both internal and external hex engagement options for secure tightening, plus mounting holes on all union fittings to simplify alignment and mounting. These features enable faster, more repeatable installations in dense control cabinets, reducing setup time and improving consistency across multiple stations.