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Built for performance, certified for peace of mind — the 2425AB DZR Lead-Free Brass PEX Pump Flange Ball Valve with Drain is a reliable solution for hydronic systems requiring high durability and full port flow. Designed with professional-grade materials and compliant with today’s strictest drinking water safety standards, this valve makes installation and long-term service straightforward and worry-free.

Key Features:

  • DZR Lead-Free Brass Construction: Crafted from dezincification-resistant (DZR) brass that meets ASTM B927 C27453, ensuring corrosion resistance and long-term performance in potable water systems.
  • Certified Lead-Free & Safe: Fully compliant with AB1953, NSF/ANSI 61, and NSF/ANSI 372 standards for low lead content and safe drinking water use.
  • PEX x Flange Design (F1960): Offers a secure and versatile connection — perfect for radiant heating loops, circulation pumps, and hydronic systems.
  • Rotating Flange & 3-Piece Body: Simplifies alignment and maintenance, even in tight spaces.
  • ¼-Turn Operation with Positive Shutoff: Smooth, reliable control with a chrome-plated DZR brass ball and virgin PTFE seats.
  • Built-In Drain Port: Allows for convenient system servicing and seasonal draining without disassembling the valve.
  • Blow-Out Proof Stem: Enhances safety during pressure surges and heavy-duty use.
  • Pressure & Temperature Rated: Handles up to 300 psi at 15–160°F and 150 psi max at 200°F — built to perform under demanding conditions.

Included With Valve:

  • Wing handle for ergonomic grip and easy operation
  • Bolt kit for secure flange installation

Applications:

  • Circulator pump isolation
  • Radiant floor heating systems
  • Domestic water distribution
  • Hydronic zone control

Compliance and Safety Notes:

This product contains components that may expose users to chemicals including lead, which are known in the State of California to cause cancer and reproductive harm. For details, visit www.P65Warnings.ca.gov.

Dimension, Weight

Size B (in) C (in) ⌀ F (in) G (in) H (in) L (in) ⌀ M ⌀ P (in) Weight (lb)
¾\\” 3.11 4.61 0.50 2.46 1.78 3.59 3/4–11.5 NH 0.60 1.37
1\\” 3.62 4.67 0.50 2.48 1.93 3.59 3/4–11.5 NH 0.80 1.55
Pressure / Temperature Rating
300 psi from 15 °F to 160 °F 150 psi max. at 200 °F

Material

Part Material Specification
Body DZR Lead Free Brass ASTM B927 C27453
End Piece DZR Lead Free Brass ASTM B927 C27453
Ball DZR Lead Free Brass / Cr Plated ASTM B927 C27453
Seat PTFE PTFE
Flange Brass ASTM B283 C37700
O-Ring NBR 70SH NSF Approved
Stem DZR Lead Free Brass ASTM B927 C27453
Handle Steel / Dacromet Plated ASTM A36
Handle Nut Steel / Zn Plated ASTM A36

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