1/2" x 3/8" Brass 1/4 Turn Angle Ball Stop

BrassCraft KTCS40BXC – 1/2" Nominal Compression x 3/8" OD Compression 1/4-Turn Angle Ball Stop Valve

The BrassCraft KTCS40BXC is a quarter-turn angle ball stop valve designed for shutoff control in residential water supply lines. Featuring a compact 90-degree configuration, this valve connects a 1/2" nominal compression inlet to a 3/8" OD compression outlet, making it well-suited for fixture installations such as faucets, toilets, and appliances.

Constructed with a one-piece forged brass body and a precision-machined brass ball, the KTCS40BXC is engineered for reliable operation and resistance to wear. The blowout-proof stem assembly and dual O-ring seals enhance durability under repeated use and thermal cycling. Its corrosion-resistant plating ensures longevity in potable water systems.

Key Product Features

• Valve Type: 1/4-turn angle ball stop for positive shutoff
• Inlet Connection: 1/2" nominal compression
• Outlet Connection: 3/8" OD compression
• Body Construction: Forged brass, one-piece design
• Ball: Chrome-plated brass, machined for smooth operation
• Stem: Blowout-proof, internally assembled with two high-performance O-rings
• Handle: Removable for protection during installation
• Performance: 100% leak-tested at 125 PSI

Technical Data

• Pressure Rating: Up to 125 PSI
• Temperature Range: 40°F to 180°F
• Media: Potable water
• Application: Residential fixture shutoff

Installation Information

This valve is designed for compression connections and requires no soldering. Ensure all fittings are properly aligned and torqued according to manufacturer recommendations. Use standard plumbing tools for installation. Compliant with applicable plumbing codes when installed correctly. Always confirm material compatibility and local code approval prior to use.

Contractor Notes

The KTCS40BXC is well-suited for retrofit and new construction work, offering quick shutoff with minimal handle rotation. Its robust internal components withstand scaling, stagnation, and frequent operation, making it a dependable choice for service valves in residential water systems.