MDPE Push Fit Reducing Coupling

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Useful Information

Technical Specification

  • Type: Push Fit Reducing Coupling
  • Connection Type: Push fit (compression-style)
  • Size Range: 25mm x 20mm to 63mm x 50mm
  • Material Composition:
  • Body: High-impact polypropylene
  • Seal: Nitrile rubber (NBR) (varies by design)
  • Pressure Rating: Up to 16 bar at 20°C
  • Temperature Range: 0°C to +40°C (cold water use only)
  • Standards Compliance: ISO 14236, Kiwa approved for use in potable water systems
  • Pipe Compatibility: MDPE pipe of corresponding outer diameters

Liner Requirement: Pipe liners (stiffeners) are required and must be ordered separately

Description

The MDPE Push Fit Reducing Coupling is designed to securely join two MDPE pipes of different diameters, offering a quick and effective solution for size transitions within a pressurised water system. Ideal for potable water, irrigation, and utility applications, this coupling requires no disassembly and installs easily with a simple push-fit action. Manufactured from durable polypropylene and Kiwa approved, it ensures reliability in above- and below-ground pipe networks. Pipe liners are not included and must be ordered separately to maintain sealing integrity.

Key Features & Benefits

  • Reduces Between Two Pipe Sizes: Joins MDPE pipes of different diameters to adapt system layouts efficiently.
  • Fast Push-Fit Installation: Tool-free assembly with no disassembly required—ideal for quick repairs and retrofits.
  • Durable and Corrosion-Resistant: Polypropylene body offers long-term resistance to impact, UV, and environmental stress.
  • Kiwa Approved: Safe for use in potable water systems and compliant with industry standards.
  • Compact and Lightweight: Easy to handle and install in confined or difficult-to-access areas.
  • Pipe Liner Compatible: Use of separate stiffeners is strongly recommended to reinforce pipe ends and ensure a secure, leak-free joint.

MDPE pushfit reducing coupling diagram

Product Code Supplier Code d (mm) d1 (mm) E (mm) E1 (mm) H (mm) I (mm) I1 (mm)
350116 PP1011U0025020 25 20 47 41 100 48 45
350117 PP1011U0032020 32 20 58 41 106 54 45
350118 PP1011U0032025 32 25 58 47 110 54 48
350119 PP1011U0040032 40 32 70 58 139 71 55
350120 PP1011U0050025 50 25 85 47 151 79 51
350121 PP1011U0050032 50 32 85 58 152 79 55
350122 PP1011U0063032 63 32 103 58 172 91 55
350123 PP1011U0063050 63 50 103 85 187 91 81

 

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.

 

Grouped product items
Code Product Name List Price You Save You Pay Quantity
350116 PL Pushfit Reducing Coupling 25mm x 20mm £14.12 40%
You Pay:  £8.47
350117 PL Pushfit Reducing Coupling 32mm x 20mm £23.90 40%
You Pay:  £14.34
350118 PL Pushfit Reducing Coupling 32mm x 25mm £23.94 40%
You Pay:  £14.36
350119 PL Pushfit Reducing Coupling 40mm x 32mm £39.92 40%
You Pay:  £23.95
350120 PL Pushfit Reducing Coupling 50mm x 25mm £44.77 40%
You Pay:  £26.86
350121 PL Pushfit Reducing Coupling 50mm x 32mm £51.18 40%
You Pay:  £30.71
350122 PL Pushfit Reducing Coupling 63mm x 32mm £65.55 40%
You Pay:  £39.33
350123 PL Pushfit Reducing Coupling 63mm x 50mm £64.38 40%
You Pay:  £38.63