Philmac Compression Fittings

Philmac Compression Fittings offer a high-quality, tool-assisted solution for connecting MDPE pipe in cold water systems. Manufactured using durable materials and designed around Philmac’s patented Slide & Tighten™ technology, these fittings ensure fast, secure, and leak-free connections without the need for pipe chamfering or force. Fully WRAS-approved and compliant with key international standards, Philmac fittings are ideal for a wide range of installation environments, from domestic water supply to agricultural and industrial systems.

Application

  • Potable Water Supply: WRAS-approved for use in drinking water systems for residential, commercial, and utility networks.
  • Agriculture and Irrigation: Commonly used in field irrigation, stock watering, and greenhouse systems due to their ease of use and rugged design.
  • Construction and Civil Engineering: Ideal for quick and reliable water service installations on construction sites and infrastructure projects.
  • Maintenance & Repairs: A perfect choice for on-site pipework modifications or emergency repairs with minimal disruption.

Technical Specification

  • Materials:
  • Body: High-grade polypropylene
  • Spacer: Nylon
  • Split Ring: Acetal
  • Seal: Nitrile rubber (NBR)
  • Connection Type: Mechanical compression
  • Technology: Slide & Tighten™ – no pipe preparation required
  • Size Range: Compatible with standard MDPE sizes (typically 20mm to 63mm)
  • Working Pressure: Up to 16 bar at 20°C
  • Temperature Range: 0°C to 40°C (cold water only)
  • Standards Compliance: AS/NZS 4129, AS/NZS 4020, BS 6920, ISO 14236
  • Approvals: WRAS Approved
  • Colour: Typically black with blue or grey compression nuts

Installation Overview

  • Insert Pipe

Push the MDPE pipe into the fitting until the first point of resistance—no chamfering required.

  • Tighten Nut

Hand-tighten the compression nut.
Use a strap wrench to complete tightening—avoid excessive force.

  • Verify Joint

Confirm the pipe is properly seated by checking that the nut is fully engaged.
The fitting creates a secure seal using internal compression without needing further adjustment.

  • Testing

Pressure test the system to confirm a watertight seal.
Check joints after testing to verify there is no movement or leakage.

IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.

If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.

 

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