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Description
Pneumatic Fittings — Professional Grade
8mm Stem to 4mm Tube Push-Fit Reducer
Precision-machined nickel-plated brass. Instant tool-free connection. Engineered for the demands of professional compressed air systems.
Technical Specification
Inlet Connection
8mm stem (push-fit)
Outlet Connection
4mm OD tube (push-to-connect)
Body Material
Nickel-plated brass
Sealing Element
NBR O-ring
Collet Material
Stainless steel
Compatible Tubing
Polyurethane (PU) & Nylon
Working Medium
Compressed air
SKU
air_comp833
Barcode
AC015014875116099
Key Benefits
⚡
Tool-Free Installation Push-to-connect collet grips tubing instantly — no spanners, no thread tape.
🔒
Leak-Proof Seal NBR O-ring and stainless collet maintain an airtight seal under sustained pressure.
🛡️
Corrosion Resistant Premium nickel-plated brass body withstands workshop moisture and oils.
📐
Compact Form Factor Low-profile design fits tight panel assemblies and manifold configurations.
Workshop Applications
Air Tool DownsizingReduce feed lines from 8mm to 4mm for precision air tools.
Pressure Gauge LinesIdeal for gauge tapping points requiring 4mm tube runs.
Control Panel AssemblyClean, compact routing inside pneumatic control enclosures.
Multi-Outlet ManifoldsBranch 4mm secondary circuits from 8mm primary supply lines.
Mobile Service VehiclesReliable performance in vibration-prone mobile air systems.
Automation & RoboticsSuitable for light industrial pneumatic actuator circuits.
Installation Guide
01
PrepareCut 4mm tubing cleanly and squarely using a tube cutter. Deburr the end.
02
InsertPush the 4mm tube firmly into the outlet port until it seats fully against the collet.
03
VerifyGently pull back on the tube to confirm the collet has locked. It should not release.
04
PressuriseIntroduce air pressure gradually and check all joints for leaks before full operation.
Trade & Bulk Pricing Available
Enquire Now →
Fleet maintenance teams, distributors, and trade buyers — contact us for volume pricing and account terms.
UK Stock — Fast Dispatch
In-stock orders placed before 2pm ship the same working day from our Manchester warehouse.
Same-Day Dispatch
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