1/2" x 3/8" Brass Turn Straight Ball Stop, Lead-Free

BrassCraft BRPX19X C 1/2" Nominal PEX x 3/8" OD Compression Straight Ball Stop Valve

The BrassCraft BRPX19X C is a straight-pattern, 1/4-turn ball stop valve with a 1/2" nominal PEX inlet and 3/8" OD compression outlet. Engineered for use in potable water distribution systems, this valve provides localized shutoff control to fixtures such as faucets, toilets, or appliances. The compact, corrosion-resistant design is suitable for both new construction and retrofit installations using ASTM F876/F877 PEX tubing with crimp or clamp connection methods.

Product Features

• Connection Type: 1/2" PEX inlet x 3/8" OD compression outlet
• Valve Mechanism: 1/4-turn brass ball valve for quick and reliable shutoff
• Material: Forged brass body with chrome-plated finish
• Handle: Oval, knurled metal handle designed for secure grip and smooth operation
• Pressure Rating: Up to 125 PSI
• Temperature Range: 40°F to 140°F

Technical Specifications

• Model: BRPX19X C
• Inlet: 1/2" Nominal PEX (ASTM F876 compliant)
• Outlet: 3/8" OD compression
• Media: Water (potable)
• Installation Method: PEX crimp or clamp connection for inlet; compression fitting for outlet

Installation Notes

Install this valve by securing the 1/2" PEX inlet with an appropriate ASTM F1807 crimp ring or ASTM F2159 clamp ring, using compatible tools. The 3/8" compression outlet connects to standard fixture supply tubing. Ensure the tubing is fully inserted and the compression nut is properly tightened to avoid leaks. Always follow local plumbing codes and installation guidelines.

Contractor Applications

Designed for residential potable water systems, this straight stop valve allows fixture-specific shutoff for service or maintenance. It is especially useful during trim-out stages of bathroom or kitchen installations, where access and space efficiency are critical.