1/2" PEX Ball Valve, 1/4 Turn, Lead-Free (Installation by Non-Professional may void Viega's LLC limited warranty)
28 Available At All US Supply Locations

Viega PureFlow 1/2" Zero Lead Brass Ball Valve – Reliable Shut-Off for PEX Systems
The Viega PureFlow 1/2" Zero Lead Brass Ball Valve is a precision-machined control valve designed for integration with ASTM F1807 PEX crimp systems. It features a full-port opening for unrestricted flow, a corrosion-resistant body for long service life, and tool-compatible crimp connections for fast, secure installation. This valve supports potable water and hydronic distribution in residential and commercial applications where performance and code compliance are critical.
Built for PEX System Performance
This valve is constructed from lead-free brass and is certified to meet low-lead legislation nationwide. Its full-port design minimizes pressure loss, while PTFE seats ensure smooth operation over repeated cycles. Designed to work with copper crimp rings and PEX tubing, it allows contractors to install with confidence—no solder, glue, or curing time required.
Features at a Glance
- Lead-Free Brass Body – Compliant with NSF/ANSI 61 and 372 for potable water use
- Full-Port Design – Maximizes system efficiency by maintaining high flow rates
- Crimp PEX Ends – Designed for ASTM F1807 copper crimp connections with PEX tubing
- Corrosion Resistance – Built to withstand scaling and mineral-rich water conditions
- Fast Installation – No torches, flux, or solvent welds needed—install with hand tools and a crimp gauge
- Compact Body – Ideal for use in tight or concealed spaces within wall cavities or mechanical rooms
Technical Specifications
- Valve Size: 1/2 inch
- Connection Type: Crimp PEX x Crimp PEX
- Port Style: Full
- Material: Lead-Free Brass
- Pressure Rating: 160 psi
- Temperature Range: 0°F to 180°F
- Certifications: NSF/ANSI 61 & 372, ICC-ES PMG 1033 listed
Installation Best Practices
Use ASTM F1807-compliant copper crimp rings and a properly calibrated crimp tool for installation. Always verify crimp ring placement and gauge the connection for compliance. Ensure system pressure and temperature ratings are not exceeded. While this valve is straightforward to install for trained professionals, proper technique and verification are essential for long-term performance.
Trusted by Professionals
Contractors rely on Viega’s PureFlow valves for their consistent quality, time-saving design, and seamless compatibility with PEX distribution systems. Whether you’re roughing in domestic water lines or zoning a radiant loop, this valve offers the reliability and flow control needed to get the job done right the first time.
Order with Confidence
The Viega PureFlow 1/2" Zero Lead Brass Ball Valve is a proven solution for modern plumbing systems. Specify it for your next PEX installation and experience the advantage of precision, speed, and lasting performance. Designed for the demands of today’s job sites—built for the expectations of tomorrow.
Specifications
| Weight | 0.260000 |
|---|---|
| Length (inches) | 1.55 |
| Width (inches) | 2.5 |
| Height (inches) | 0.85 |
| Item Type | Ball Valves |
| Brand | Viega |
| GTIN | 30691514460315 |
| Manufacturer | Viega, LLC |
| MPN | 46031 |
| Sub Type | Crimp stop valve |
| Ball Material | Brass |
| Body Material | Brass |
| Domestic/Import | Import |
| End Style | Crimp |
| Material | Brass |
| Nominal Size | 1/2 in |
| Port Type | Full |
| Pressure Rating | 160 PSI |
| Softgoods Material | EPDM/FKM |
| Temperature Rating | 0 to 180 Deg F |
| Trim Material | Brass Stem and PTFE Seat |
| Application | Portable Water Systems |
| Side A | 1/2" |
| Item Returns | This item can be returned |
