PVC Reducing Adaptor Threaded M x F

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Useful Information

Technical Specification

  • Material: Unplasticised Polyvinyl Chloride (PVCu)
  • Sizes: 1/2" x 3/8" to 4" x 3"
  • Pressure rating: 15 bar
  • Temperature range: 5°C to 60°C
  • Connection type: Threaded (BSP)
  • Colour: Grey
  • Standards:
    • WRAS approved
    • BSI Kitemark-certified

Description

This PVCu reducing threaded adaptor is designed to connect BSP threaded components of different sizes where a male-to-female threaded transition is required. It provides a compact and efficient way to reduce thread size without introducing additional fittings, making it ideal for adapting valves, instruments or pipework within an imperial threaded system.

Manufactured from corrosion-resistant PVCu, the adaptor offers reliable long-term performance across water supply, industrial installations and general engineering applications. Precisely formed BSP threads ensure secure mechanical joints when installed with a suitable thread sealant, while the reducing profile helps keep installations neat and space efficient.

For more information, please visit our PVCu Pressure Pipe Guide!

Key Features & Benefits

  • Male to female thread reduction: Connects BSP threaded components of different sizes
  • Compact reducing design: Minimises added length and simplifies pipe layouts
  • BSP threaded connections: Provide secure mechanical joints without solvent welding
  • Corrosion-resistant PVCu: Prevents rust, pitting, and scale build-up
  • Imperial sizing compatibility: Designed to match standard BSP threaded fittings
  • Ideal for system adaptation: Suitable for retrofits, upgrades and maintenance work

Dimensions

SKU Nominal Size (inch) Rp (inch) G (inch) L1 (mm) L2 (mm) CH (mm) H (mm) E (mm)
357101 1/2 x 3/8 3/8 1/2 15 11.4 24 36 23
357102 3/4 x 3/8 3/8 3/4 16.3 11.4 30 37 23
357103 3/4 x 1/2 1/2 3/4 16.3 15 30 41 28
357104 1 x 3/8 3/8 1 19.1 11. 36 40 23
357105 1 x 1/2 1/2 1 19.1 15 36 43 28
357106 1 x 3/4 3/4 1 19.1 16.3 36 45 34
357107 1 1/4 x 1/2 1/2 1 1/4 21.4 15 46 46 28
357108 1 1/4 x 3/4 3/4 1 1/4 21.4 16.3 46 50 34
357109 1 1/4 x 1 1 1 1/4 21.4 19.1 46 51 42
357110 1 1/2 x 3/4 3/4 1 1/2 21.4 16.3 50 50 34
357111 1 1/2 x 1 1 1 1/2 21.4 19.1 50 53 42
357112 1 1/2 x 1 1/4 1 1/4 1 1/2 21.4 21.4 55 55 51
357113 2 x 1 1 2 26 19.1 65 51 42
357114 2 x 1 1/4 1 1/4 2 26 21.4 65 58 51
357115 2 x 1 1/2 1 1/2 2 26 21.4 65 57 58
359842 2 1/2 x 1 1/4 1 1/4 2 1/2 30.2 21.4 80 57 51
359843 2 1/2 x 1 1/2 1 1/2 2 1/2 30.2 21.4 80 58 58
359844 2 1/2 x 2 2 2 1/2 30.2 21.4 80 64 71
359845 3 x 1 1/2 1 1/2 3 33.3 21.4 95 68 58
359846 3 x 2 2 3 33.3 26 95 74 71
359847 3 x 2 1/2 2 1/2 3 33.3 30.2 95 78 88
359848 4 x 2 2 4 39.3 26 120 79 71
359849 4 x 2 1/2 2 1/2 4 39.3 30.2 120 82 88
359850 4 x 3 3 4 39.3 33 120 87 102

Downloads

Chemical Resistance ChartChemical Resistance Chart
Chemical Resistance Chart

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
357101 PVCu Reducing Piece Male x Female Threaded 1/2" x 3/8" £8.06 77%
You Pay:  £1.89
357102 PVCu Reducing Piece Male x Female Threaded 3/4" x 3/8" £12.09 77%
You Pay:  £2.83
357103 PVCu Reducing Piece Male x Female Threaded 3/4" x 1/2" £12.09 77%
You Pay:  £2.83
357104 PVCu Reducing Piece Male x Female Threaded 1" x 3/8" £16.22 77%
You Pay:  £3.79
357105 PVCu Reducing Piece Male x Female Threaded 1" x 1/2" £16.22 77%
You Pay:  £3.79
357106 PVCu Reducing Piece Male x Female Threaded 1" x 3/4" £16.22 77%
You Pay:  £3.79
357107 PVCu Reducing Piece Male x Female Threaded 1 1/4" x 1/2" £19.54 77%
You Pay:  £4.57
357108 PVCu Reducing Piece Male x Female Threaded 1 1/4" x 3/4" £19.54 77%
You Pay:  £4.57
357109 PVCu Reducing Piece Male x Female Threaded 1 1/4" x 1" £19.54 77%
You Pay:  £4.57
357110 PVCu Reducing Piece Male x Female Threaded 1 1/2" x 3/4" £23.61 77%
You Pay:  £5.53
357111 PVCu Reducing Piece Male x Female Threaded 1 1/2" x 1" £23.61 77%
You Pay:  £5.53
357112 PVCu Reducing Piece Male x Female Threaded 1 1/2" x 1 1/4" £23.61 77%
You Pay:  £5.53
357113 PVCu Reducing Piece Male x Female Threaded 2" x 1" £37.88 77%
You Pay:  £8.86
357114 PVCu Reducing Piece Male x Female Threaded 2" x 1 1/4" £37.88 77%
You Pay:  £8.86
357115 PVCu Reducing Piece Male x Female Threaded 2" x 1 1/2" £37.88 77%
You Pay:  £8.86
359842 PVCu Reducing Piece Male x Female Threaded 2 1/2" x 1 1/4" £50.70 77%
You Pay:  £11.87
359843 PVCu Reducing Piece Male x Female Threaded 2 1/2" x 1 1/2" £50.70 77%
You Pay:  £11.87
359844 PVCu Reducing Piece Male x Female Threaded 2 1/2" x 2" £50.70 77%
You Pay:  £11.87
359845 PVCu Reducing Piece Male x Female Threaded 3" x 1 1/2" £63.02 77%
You Pay:  £14.74
359846 PVCu Reducing Piece Male x Female Threaded 3" x 2" £63.02 77%
You Pay:  £14.74
359847 PVCu Reducing Piece Male x Female Threaded 3" x 2 1/2" £63.02 77%
You Pay:  £14.74
359848 PVCu Reducing Piece Male x Female Threaded 4" x 2" £101.61 77%
You Pay:  £23.78
359849 PVCu Reducing Piece Male x Female Threaded 4" x 2 1/2" £101.61 77%
You Pay:  £23.78
359850 PVCu Reducing Piece Male x Female Threaded 4" x 3" £101.61 77%
You Pay:  £23.78