BFM® fitting Blanking Cap



The eStore offers select sizes, starting at 150 mm diameter up to 350 mm diameter, all are 30 mm tall. Full range of manufactured sizes are listed below.

Available Sizes:
Diameters: Ø100mm (4″), Ø125mm (5″), Ø150mm (6″) through to Ø1,650mm (65″) in 50mm (2″) increments

Lengths: All blanking caps are 30mm (1 3/16″) in length. Longer lengths are available as Blanking Socks/Bins.

Call 281-203-8577 or email us at [email protected] if you do not see your size in the eStore or require technical assistance from our in-house engineers.

SPIGOTS SOLD SEPARATELY. Just like the BFM® connector, BFM® blanking socks and caps are designed to snap-fit into a BFM® spigot. See spigots here.

SKU: N/A Category:


A dust-tight, leak-proof & explosion-resistant inspection cap for sifters from BFM® fitting. BFM® blanking caps can be used to prevent contamination during clean down or change-over. They
protect products and prevent dust emission into the factory. These transparent caps allow you to easily monitor product flow or to access tops of hoppers. Prevent powder leakage and blowouts from overpressure situations. These blanking caps are designed to snap-fit into a BFM® spigot, just like the BFM® flexible connectors.

For more information, download the blanking caps and socks spec sheet. 

Seeflex 040E material complies with the following regulations FDA CFR 177.1680. & 177.2600.

Get in touch if you have any questions – technical assistance is available at no charge. We size, design and recommend the correct material and installation for your unique application. Our sales engineers are available through the week, and we make it easy for you to get in touch via chat, email or phone call. We typically respond within 24 hours.
See also: Return & Refund policy.

Additional information

Weight 0.8 lbs
Dimensions N/A

150 mm, 200 mm, 250 mm, 300 mm, 350 mm


30 mm