SKINDICHT® HYGIENIC BL-NPT, stainless steel blind plugs with hygienic design for closing pre-threaded holes

  • Ideal for hygienic critical areas - resistant, edge-free, robust and reliable
  • No gaps, voids or outer lying thread - so no risk of contamination of food machines, facilities or components

Food & BeverageGood chemical resistanceCorrosion-resistantOil-resistantRobustReliabilityTemperature-resistantUV-resistant


Article number Article designation / sizeSW wrench size mmOverall length C mmThread length D mmOuter Ø (mm)Pieces / PU
NPT 1/4"1617.47.218.85
NPT 3/8"2018.77.822.85
NPT 1/2"2420.38.426.85
NPT 3/4"2921.58.831.85
NPT 1"3623.51039.65
NPT 1 1/4"4524.710.249.05


  • For closing pre-threaded holes
  • Assembling with a wrench

Application range

  • Food machinery, equipment and components
  • For use in product zone
  • Pharmaceutical industry

Norm references / Approvals

  • NSF/ANSI 169
    Hygienic design for machinery and components
    Industry standard in the field of professional cleaning and disinfection in the food and beverage industry
  • FDA 21 CFR 177.2600
    Special sealing element for food and beverage industry in North America
  • DIN EN 1672-2
    Guideline for the design of machinery
  • DIN EN ISO 14159
    Security of machinery – Hygienic requirements for the design of machinery

Product Make-up

  • Material and shape provide an easy and safe cleaning
  • By the blue coloring of the sealing material clearly distinguishable from foodstuffs
  • NPT connection thread acc. to ASME B1.20.1 - 2013

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC000032
  • ETIM 5.0 Class-Description: Plug for cable screw gland

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC000032
  • ETIM 6.0 Class-Description: Plug for cable screw gland


  • Body: stainless steel - V4A (1.4404 / 316L)
    Insert: polyamide
    Sealing: special elastomer

Protection rating

  • IP 68 - 10 bar

Temperature range

  • -20°C to +220°C

  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.