RS Components
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RS PRO Tube-to-Tube Reducer, Push In 8 mm to Push In 4 mm

11 In stock for delivery within 4 working days
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Price 1 Bag of 10


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(inc. GST)



RS Stock No.:
COO (Country of Origin):
Bag(s)Per BagPer unit*
1 +SGD31.39SGD3.139
*price indicative

RS PRO Push In Reducer Fitting, 8mm to 4mm

Introducing metal push in reducer fittings from RS PRO, a range of robust and high performance fittings ideal for connecting different sized tubes together in a wide range of pneumatic industrial applications. The push in reducer fittings feature a nickel plated brass construction with steel AISI 301 clamping washer, offering excellent durability and reliability regardless of the environment. The high-quality seal ensures a secure and air tight connection between the tube and fitting, even with high vacuum and pressure applications. RS PRO metal push in fittings are easy to connect and disconnect quickly and efficiently, offering exceptional quality and performance in a variety of sizes and styles to suit your needs.

Features and Benefits

  • Nickel plated brass construction offering excellent durability

  • Full Flow and Vacuum resistant tank to special shaped seals

  • Robust and resistant design suitable for a variety of environments

  • Connect and disconnect quickly and efficiently

  • Compatible with pressures up to 20 bar

  • Ideal for a wide range of pneumatic industrial applications

  • Wide operating temperature of - 20 °C to + 80 °C

  • Silicon free

  • Available in a variety of sizes


Metal push in reducer connectors are compact yet durable fittings designed to connect tubes together with ease in pneumatic industrial applications. They are perfectly suited to applications that require a fitting with resistance to heavy vibrations and abrasions. The simple push in design allows tubes to be connected and extended with ease, allowing for quick and efficient installation. Push in fittings are available in a wide range of shapes and sizes and are used in areas such as:

  • Robotics

  • Automotive Welding

  • Railway maintenance

  • Compressed air circuits

  • Water cooling systems


1907/2006 REACH, 2011/65/CE RoHS, PED 2014/68/UE, ISO 14743:2004


What is the pressure range?

RS PRO metal push in fittings are compatible with pressures from - 0.99 bar (-0.099 MPa) 20 bar (2.0 MPa).

What tubes are compatible?

RS PRO metal push in fittings are ideal for use with a range of tubes including PA6, PA11, PA12, Polyethylene, Polyurethane, PTFE, FEP.

Tube Connection APush In 8 mm
Tube Connection BPush In 4 mm
Body MaterialNickel Plated Brass
Maximum Operating Pressure20bar
Minimum Operating Temperature-20°C
Tube Connection B - TypePush In
Tube Connection A - Tube Size8mm
Tube Connection A - TypePush In
Tube Connection B - Tube Size4mm
Maximum Operating Temperature+80°C
Connection StyleTube-to-Tube