PVC Union Threaded Inch

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Useful Information

Technical Specification

  • Material: Unplasticised Polyvinyl Chloride (PVCu)
  • Sizes: 3/8" to 4"
  • 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 threaded union is designed to provide a demountable connection between BSP threaded components within an imperial pipe system. Its three piece construction allows pipework, valves, or equipment to be disconnected easily for maintenance, inspection or replacement without cutting into the line.

Manufactured from corrosion-resistant PVCu, the union delivers reliable long-term performance in water systems, industrial installations and general engineering applications. Precisely formed BSP threads ensure secure mechanical joints, while the smooth internal bore supports efficient flow through the union when assembled.

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

Key Features & Benefits

  • Demountable threaded joint: Allows easy removal of components without disturbing surrounding pipework
  • Three-piece union design: Central nut enables quick disassembly and reassembly
  • BSP threaded ends: Provides secure mechanical connections on both sides
  • Corrosion-resistant PVCu: Prevents rust, pitting, and scale build-up
  • Smooth internal bore: Helps maintain efficient flow through the joint
  • Imperial sizing compatibility: Designed to work with standard BSP threaded fittings

Dimensions

SKU Nominal Size (inch) L min (mm) F (mm) Z max (mm) H (mm) E (mm)
359821 3/8 11.4 3/4 19.2 42 34
356529 1/2 15 1 15 45 43
356530 3/4 16.3 1 1/4 18.4 51 54
356531 1 19.5 1 1/2 18 57 60
356532 1 1/4 21.4 2 25.2 68 75
356533 1 1/2 21.4 2 1/4 37.2 80 81
356534 2 25.7 2 3/4 46.6 98 99
359822 3 33.3 4 58.4 125 134
359823 4 39.3 5 66.4 145 163

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
359821 PVCu Union Threaded 3/8" £28.70 77%
You Pay:  £6.71
356529 PVCu Union Threaded 1/2" £37.88 77%
You Pay:  £8.86
356530 PVCu Union Threaded 3/4" £41.04 77%
You Pay:  £9.60
356531 PVCu Union Threaded 1" £58.47 77%
You Pay:  £13.68
356532 PVCu Union Threaded 1 1/4" £72.07 77%
You Pay:  £16.86
356533 PVCu Union Threaded 1 1/2" £101.19 77%
You Pay:  £23.68
356534 PVCu Union Threaded 2" £142.55 77%
You Pay:  £33.35
359822 PVCu Union Threaded 3" £327.26 77%
You Pay:  £76.58
359823 PVCu Union Threaded 4" £442.57 77%
You Pay:  £103.56