Galvanised Steel BS4504 PN10/16 Inch

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Useful Information

Technical Specification

  • Material: Galvanised Steel
  • Sizes: 1/2" to 8"
  • Flange Standard: PN10/16
  • Standards:
    • WRAS approved
    • BSI Kitemark-certified

Description

This mild steel backing ring is designed for use in conjunction with PVC or ABS stub flanges to provide the mechanical strength required for bolted flanged connections. While the stub flange forms the sealing face, the backing ring distributes bolt loads evenly, ensuring a secure and stable joint when used with compatible gaskets and bolt sets.

Manufactured from mild steel and finished with a protective coating, the backing ring offers durability and strength in pressure-rated flange assemblies. Its rotating design allows for easier bolt alignment during installation, reducing assembly time and improving overall ease of use. Commonly used across water treatment, chemical handling, manufacturing, and general industrial pipework, mild steel backing rings are an essential component of PVC or ABS flanged joint systems.

Key Features & Benefits

  • Mild steel construction: Provides strength and rigidity for flanged connections.
  • PN10 / PN16 compatible: Suitable for pressure-rated PVC flange assemblies.
  • Rotating design: Simplifies bolt alignment during installation.
  • BS 4504 drilling: Matches standard PN flange bolt patterns.
  • System compatibility: Designed for use with PVC or ABS stub flanges.

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
354965 Steel Backing Ring Drilled PN10/16 1/2" or 20mm £32.55 70%
You Pay:  £9.77
354966 Steel Backing Ring Drilled PN10/16 3/4" or 25mm £33.42 70%
You Pay:  £10.03
354967 Steel Backing Ring Drilled PN10/16 1" or 32mm £37.71 70%
You Pay:  £11.31
354968 Steel Backing Ring Drilled PN10/16 1 1/4" or 40mm £38.27 70%
You Pay:  £11.48
354969 Steel Backing Ring Drilled PN10/16 1 1/2" or 50mm £47.21 70%
You Pay:  £14.16
354970 Steel Backing Ring Drilled PN10/16 2" or 63mm £66.60 70%
You Pay:  £19.98
354971 Steel Backing Ring Drilled PN10/16 2 1/2" or 75mm £91.48 70%
You Pay:  £27.44
354972 Steel Backing Ring Drilled PN10/16 3" or 90mm £101.41 70%
You Pay:  £30.42
354973 Steel Backing Ring Drilled PN10/16 4" £131.06 70%
You Pay:  £39.32
354975 Steel Backing Ring Drilled PN10/16 5" or 140mm £206.85 70%
You Pay:  £62.06
354976 Steel Backing Ring Drilled PN10/16 6" £218.04 70%
You Pay:  £65.41
354979 Steel Backing Ring Drilled PN16 8" or 225mm £298.72 70%
You Pay:  £89.62