







🌉 Connect with confidence — the ultimate KF flange reducer for pros who demand perfection
The KF40 to KF25 conical reducer by Brownian Motion Technology is a precision-engineered stainless steel 304 adapter that seamlessly connects KF40 and KF25 vacuum flanges. Featuring a high conductance conical profile, it ensures optimal flow and a vacuum-tight seal, making it an essential component for industrial and scientific vacuum systems.
















| ASIN | B08H59G34P |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #114,669 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #45 in Reducer Tube Fittings |
| Customer Reviews | 4.9 4.9 out of 5 stars (16) |
| Date First Available | September 1, 2020 |
| Item Weight | 5 ounces |
| Item model number | VAC-CONE-xxxx |
| Manufacturer | BROWNIAN MOTION TECHNOLOGY |
| Material | stainless steel |
| Package Dimensions | 4.33 x 2.72 x 2.05 inches |
| Part Number | VAC-CONE-xxxx |
| Style | KF40 to KF25 |
D**D
They work.
My KF connectors clamp onto each end of these well with centering o-rings and make a good, vacuum-tight seal.
Trustpilot
1 week ago
2 weeks ago