KF50 Stainless Steel Ball Valve – Vacuum Foreline Isolation Valve
$102.50 on Amazon.com (as of October 20, 2026, 3:47 PM EST) View details ↗
The **BROWNIAN MOTION TECHNOLOGY KF50 Ball Valve** is a reliable, all-in-one solution for isolating or shutting off vacuum systems in foreline setups. Crafted from high-quality stainless steel, this durable valve ensures long-lasting performance in demanding applications. The package includes 2 sets of aluminum wing nut clamps and 2 stainless steel centering rings with FKM O-rings, eliminating the need for additional purchases and simplifying installation.
Ideal for vacuum pump systems, this valve provides a cost-effective way to control airflow, prevent backflow, and maintain system integrity. Whether you're setting up a new foreline or upgrading an existing vacuum system, this valve delivers precision and reliability without compromising on quality. Its robust construction and easy-to-use design make it a smart choice for both professionals and DIY enthusiasts.
| Material | Stainless steel |
|---|---|
| Flange Type | KF50 (NW50 compatible) |
| Included Components | 1 ball valve, 2 aluminum wing nut clamps, 2 stainless steel centering rings, 2 F |
| Application | Vacuum foreline isolation |
| Load Capacity | Designed for high-vacuum applications (specific pressure rating not provided) |
| Highlight | Stainless steel construction |






