Dobson Gaskets

We stock and manufacture gaskets out of metal, rubber, cork, sponge, foam, plastic, PTFE, graphite and a wide range of non asbestos materials like FMI and Novus.

Water Jet Image

Water Jet Technology

Spiral Wound Gaskets have considerable mechanical strength and
good recovery characteristics and provides an extremely effective seal over a wide range of operating conditions.


Technology

The Spiral Wound Gasket element is precision formed using a 'V' shaped metallic winding strip continually wound and incorporating an inner wound soft filler material ie: Graphite or PTFE.

This construction helps maintain an effective seal at high fluctuating
temperatures and pressures.

Spiral Wound Gasket
Installation

The outer rings rest on the flange bolts, thus locating the gasket centrally on the raised face of the flange. It also supports the sealing element and resists 'blow out'. The ring provides a 'stop' preventing over-compression of the sealing element.


Materials

  • SS316, SS304,

    SS321, SS347

  • Inconel 600, 625,

    800, 825

  • Titanium

  • Nickel

  • Hastelloys

  • Monel

  • Duplex


Fillers

  • Graphite

  • PTFE sintered and unsintered

  • Non/Asbestos


Applications

  • High variations in

    temperature

  • High variations in

    pressure

  • Flange rotation

    Pipes

  • Valves

  • Pumps

  • Thermal

    Exchanges

  • Petrochemical

    Industry

  • Pharmaceutical

    Industry

  • Manufacturing

    Industry

  • Nuclear Energy

    Industry