Inflatable Seals FAQ’s

  • What are the types of inflatable seals?
    Inflating Radially Inward: Inflatable Seals that inflate in the direction of the radius i.e. towards the center.
    Inflating Radially Outward: Inflatable Seals that inflate in the direction of the circumference i.e. away from the center.
    Inflating Face Seals:Inflatable Seals that inflate perpendicular to the seating surface.
  • What is the ideal pressure required for operating inflatable seals?
    1-3 Bar pressure is sufficient for sealing in majority of the inflatable seal sections. Sometimes under critical circumstances seals may be required to withstand higher pressures. These high-pressure seals have to be specially designed and engineered to withstand the pressure. Western Rubbers has designed seals that can withstand pressures up to 30 Bar.
  • Do I need a fabric reinforced seal?
    Generally for nominal pressure applications we suggest customers to avoid fabric reinforced seals so as to avoid high costs. But if your differential pressure requirements are higher than 7-8 Bar then we suggest customers to go for fabric reinforced seals for longer life and effective functionality.
  • What types of fabric reinforcements are available for inflatable seals?
    We use Kevlar®, Nylon, Nomex®, Polypropylene and Dacron®.
  • Does my inflatable seal require continuous air supply?
    We can manufacture both kinds of inflatable seals; ones which require continuous air supply or those Inflatable seals which can work with a one-time fill, like a tire tube.
  • What is the maximum temperature inflatable seals can withstand?
    We can manufacture inflatable seals that can withstand temperatures up to 250°C (480°F).
  • What is the maximum pressure inflatable seals can withstand?
    Western Rubbers can manufacture Inflatable Seals that can withstand pressures up to 30 Bar.
  • What types of rubbers can be used for manufacturing inflatable seals?
    EPDM, Viton®, Neoprene, Silicone, Nitrile and Natural Rubber can be used for manufacturing inflatable seals.
  • What should be ideal inflation gap?
    For longer life of the inflatable seal, the inflation gap between the striking surface of the seal and the mating surface should be between 5-8 mm.
  • Do we provide design, development and deployment services?
    Yes, we assist clients right from the designing stage to the testing and installation stage of the inflatable seal.

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