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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.

MaterialStainless steel
Flange TypeKF50 (NW50 compatible)
Included Components1 ball valve, 2 aluminum wing nut clamps, 2 stainless steel centering rings, 2 F
ApplicationVacuum foreline isolation
Load CapacityDesigned for high-vacuum applications (specific pressure rating not provided)
HighlightStainless steel construction
Is this valve compatible with standard NW50 vacuum systems?
Yes, this KF50 flange valve is designed to work with NW50-compatible vacuum setups, ensuring a secure and leak-free connection.
What materials are the O-rings made from?
The included O-rings are made from FKM, a high-performance elastomer suitable for vacuum applications.
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