1/2" x 3/8" Brass 1/4 Turn Angle Ball Stop, Lead-Free, Barb x Compression

BrassCraft KTBRPX19X C 1/2" PEX x 3/8" OD Compression 1/4-Turn Angle Ball Stop – Lead-Free Brass

The BrassCraft KTBRPX19X C is a 1/4-turn angle ball stop designed for controlling water flow to individual fixtures in potable water distribution systems. Featuring a 1/2" nominal PEX inlet and a 3/8" OD compression outlet, this shut-off valve provides a durable, secure connection ideal for residential and commercial installations.

Manufactured from lead-free brass and equipped with dual O-ring seals, the valve ensures long-lasting operation and effective leak prevention. Its quarter-turn operation enables fast and reliable shut-off, making it suitable for maintenance, emergency isolation, or fixture replacement. This model is compatible with ASTM F1807 crimp or clamp PEX systems and requires appropriate PEX installation tools.

Key Features

• Connection Type: 1/2" PEX (ASTM F1807) x 3/8" OD compression
• Valve Type: 1/4-turn angle ball stop
• Body Material: Lead-free brass
• Operation: Internal brass ball with blowout-proof stem
• Sealing: Two high-performance O-rings
• Finish: Chrome-plated

Technical Specifications

• Maximum Working Pressure: 125 PSI
• Temperature Range: 40°F to 180°F
• Overall Dimensions: 1.2" x 2.22"
• Media: Potable water
• Compliance: ASME A112.18.1 / CSA B125.1, NSF/ANSI 372 (lead-free)

Installation Notes

This angle stop is intended for use with 1/2" PEX tubing and installs using crimp or clamp ring methods. The outlet is designed for 3/8" OD compression connections to common faucet and fixture supply tubes. For best results, use with ASTM-compliant tools and follow local plumbing code requirements. All valves are 100% leak tested at the factory prior to shipment.

Applications

• Lavatory and kitchen faucet shut-off
• Toilet supply isolation
• Point-of-use control in potable water systems