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Product Details
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Features

  • Bonded Dowty Washers
  • Tensile strength of steel 540 MN/m2 min.
  • Colour passivated to DEF 03-33
  • A rectangular section, metal washer, with a trapezoidal shaped ring of vulcanised nitrile rubber bonded to the inside.
  • The seal is for use in high pressure environments where copper washers are unsuitable. Sometimes equipped with a thin additional membrane to assist in self centralising the seal over the BSPP thread during installation.

Notes
Please note the recommended installation arrangement

Material

  • Two versions: Mild steel zinc plated and 304 Stainless Steel
  • Steel BS1449 Part 1: 1983 CS4 BRH 5
  • Zinc plated to DEF STAN 03-20/1
  • Rubber: NBR nitrile
Product Table
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Item Dash Size BS Number Dim mm ID Dim mm OD Dim mm T
SSZ-04 1/4" - 19 45B 13.8 20.6 2
SSZ-06 3/8" - 19 45C 17.3 23.8 2
SSZ-08 1/2" - 14 45D 21.6 28.6 2
SSZ-12 3/4" - 14 45F 27.1 34.9 2
SSZ-16 1" - 11 45H 33.9 42.8 2.5