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We’re only successful when our customers are successful.  Web Seal is ready to offer a variety of services to help you in your design process:

  • The latest seal technology expertise
  • Early-stage R&D planning assistance
  • Material samples
  • Prototypes
  • Product training
  • Lunch-&-Learn presentations
  • Half- or full-day workshops

To optimize the performance of your seal or gasket, it is important that your design is based on an accurate assessment of the following early-stage design criteria:

Static or Dynamic Application

What, if any, motion is involved in the components being sealed or in adjacent components?

  • Static design, no appreciable movement
  • Dynamic design
    • Rotary/radial movement
    • Reciprocating movement
    • Oscillating movement

Operating Environment

What environmental conditions are involved, including temperature, pressure and media?

  • Caliper Measuring an O-RingTemperature considerations
    • Minimum/maximum temperature
    • Normal operating temperature for seal
    • Continuous or intermittent temperature
    • Temperature of adjacent equipment
  • Pressure considerations
    • Internal/external pressure on seal (PSI)
    • Closure pressure – desired squeeze percent
  • Media considerations
    • Chemical compatibility of elastomer selected
    • Continuous or infrequent contact with media
    • Liquid – brine or fresh water, acids, chemicals, edibles or potables, oils, fuels, molten metals, plating, hazardous/toxic, other
    • Gas – air, steam, inert, hazardous/toxic, other
    • Particulates – ash, dust, foods, salts, lubricants, solid waste, tar, hazardous/toxic, other
    • Radiation
    • EMI/RFI – electromagnetic interference, radio frequency interference
    • Noise
  • Surface finish of components
    • Surface finish recommendations differ based on whether the component is static or dynamic and the seal material selected  (RMS, Ra, Rp, Rz, Rmr)

Mechanical Properties

What physical properties are required for a successful seal?

  • Optimal hardness (durometer or density)
  • Tear strength
  • Tensile strength
  • Elongation
  • Modulus
  • Compression set
  • Abrasion resistance

Industry Standards and Specifications

Each industry has its own unique regulations and quality standards such as:

  • ASTM
  • UL
  • CSA
  • IEEE
  • NSF61

  • SAE
  • NEMA
  • FDA
  • MIL-SPECS

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Web Seal can supply prototypes, depending on the types of products you require.

Some prototypes may be able to ship tomorrow at minimum charge.  Others might take up to 14 weeks and involve significant tooling costs.  As with any other aspect of the seal design process, the design of a prototype involves knowing the requirements of your application.

Submit drawings to sales@websealinc.com.  Web Seal will evaluate your part geometry and other specs to provide a prompt quotation for a prototype.  If you need to test options, Web Seal can provide prototypes in different materials and thicknesses.

While Web Seal is pleased to provide engineering and design assistance, it is important to note improper use of the products and/or systems provided by Web Seal, or related items, or inappropriate selection, or product failure can cause death, personal injury or property damage. We provide product and/or systems options for further investigation by users having technical expertise. It is important that you analyze all aspects of your application, and review all technical information concerning the product or system, and test your design. Because operating conditions vary and applications for these products or systems vary, the user is solely responsible for making the final selections and assuring that all performance, safety and warning requirements of the application are met.