Skip to content
Blanking Cap-white background-400x300px
BFM® Blanking Cap on 1 Spigot - transparent background
BFM® Blanking Cap with 1 Spigot - transparent background

Blanking Cap

Blanking caps can be used to prevent contamination during cleaning or change over, as well as being used as a viewing port.

Product Description

BFM® blanking caps can be used to prevent contamination during clean down or change-over. Made with our strong and transparent Seeflex material, meaning they are ideal for use as sight-glasses/inspection ports. They also protect products and prevent dust emission into the factory.

Application(s):

  • Useful in closed vessels where you require product flow visibility.
  • Can  be used as a 'blind plug' to close off parts of your equipment to prevent dust emission into the factory.

Key Features

Dust prevention

Can be used to seal off machinery to prevent dust emission into the factory

Visibility in closed vessels

Allows for visibility of product flow in closed vessels

Conditions and Compliance

  • Vibration
  • Oscillation
  • Dust-tight
  • Food safety
  • ATEX

Documents for Download

Specifications

Physical Properties
  • Material/Fibre
    Seeflex -Ether-based thermoplastic polyurethane
  • Colour
    Transparent
  • Construction/Finish
    Gloss/Gloss
  • Wall Thickness (+/-10%)
    0.9mm/1/32 inch
  • Breathable
    No
  • Hardness (Shore A)
    90
  • Tensile Strength (MPa)
    40
  • Dust tight?
    Yes
Operating Conditions
  • Max Operating Temp
    110°C / 230°F
  • Operating Temp Range
    - 25 to 110°C / - 13 to 230°F
  • Surge Temp
    120ºC / 248ºF
  • Vibration
    Yes
  • Oscillation
    Yes
  • Compression
    No
Certification and Compliance
  • FDA and USDA
  • FDA 21 CFR 177.1680 & 177.2600 and USDA
  • 3A Certified
    Manufactured from 3A 20-27 certified Seeflex Material and the BFM® cuff and spigot system is a 3A certified 63-04 sanitary fitting.
  • EU Approved
    (EC)1935/2004, 2023–2006 & 10/2011
  • Atex-certified
    IBExU tested. Approved for all dust explosion hazardous areas. Some restrictions apply.
Dimensions
  • Available Diameters
    Ø100mm (4")
    Ø125mm (5")
    Ø150mm - 1,650mm (in 50mm increments).

(Max. for Tool Release is 650mm)

  • Applicable Connector Lengths
    30mm (1 3/16")

If you need a longer length, look at the Blanking Bin/Sock

Options
  • Available as Tool Release?
    Yes to Ø650mm
  • Quick Access Port Option?
    Yes from Ø200mm

Blanking Cap Applications

BFM® spigot installed on a red container
Container Lid
BFM® Blanking Cap on a silo end
Pipe End
BFM® Blanking Cap used to seal off a dryer
Dryer