RED-WHITE VALVE CORP.  |  SKU: 30078041  |  MPN: 234AB 1/2

234AB DZR LF Brass EzPress In-line Check Valve

$31.30
Size
$50 minimum order required

🛠️ Dezincification-Resistant Brass
DZR construction prevents corrosion in aggressive water conditions—doubles valve lifespan in municipal systems.

⚡ Ultra-Sensitive 0.5 psi Activation
Ensures reliable backflow prevention in low-pressure HVAC and residential plumbing.

🧪 EPDM Chemical Defense
Withstands oils, fuels, and chlorinated water—ideal for industrial or marine environments.

⏱️ Labor-Saving EzPress
Tool-free connections cut installation time by 50% in tight or hard-to-reach spaces.

The 234AB DZR LF Brass Check Valve delivers reliable backflow prevention with the convenience of EzPress connections, eliminating the need for soldering. Crafted from lead-free brass and certified to NSF/ANSI/CAN 61 & 372, this valve meets rigorous safety standards for drinking water systems. Its spring-loaded design and low cracking pressure ensure seamless performance in residential, commercial, and industrial applications.

Key Features

 Certified Safe & Lead-Free

  • Compliant with AB1953 and NSF/ANSI/CAN 61 & 372 for global potable water safety.
  • Lead-free brass body exceeds California’s BAA and international health regulations.

 Quick, Tool-Free Installation

  • EzPress x EzPress Connections: Solder-free design reduces installation time by 50%—ideal for tight spaces.
  • Horizontal/Vertical Flexibility: Adaptable to complex plumbing layouts.

 Durable, Low-Pressure Operation

  • EPDM Soft Seat: Resists wear, chemicals, and ensures a leak-proof seal.
  • Stainless Steel Spring: Corrosion-resistant for longevity in harsh environments.
  • 0.5 psi Spring Cracking Pressure: Ensures reliable performance even under low-pressure conditions.

 Industrial-Grade Performance

  • 400# WOG Rating: Built to withstand water, oil, and gas at 400 PSI.
  • DZR Brass Construction: Dezincification-resistant for extended service life.

Technical Specifications

  • Material: Lead-Free DZR Brass (Body), EPDM (Seat), Stainless Steel 304 (Spring)
  • End Connections: EzPress x EzPress (Tool-Free)
  • Pressure Rating: 400 PSI WOG
  • Cracking Pressure: 0.5 PSI
  • Certifications: AB1953, NSF/ANSI/CAN 61 & 372

Ideal For

  • Residential/commercial plumbing systems
  • HVAC and refrigeration units
  • Industrial water, oil, or gas pipelines
  • Municipal water supply and fire suppression systems

Why Choose This Valve?

The 234AB DZR LF combines speed, safety, and durability, making it a top choice for contractors prioritizing efficiency and compliance. Its EzPress connections slash installation time, while the corrosion-resistant spring and lead-free construction guarantee adherence to strict health standards.

Order Today – Upgrade to a valve trusted for reliability in critical environments!

Documentation:

Dimension, Weight

Size A [in] W [in] D [in] C [in] Wt. [lb]
½" 3.14 1.13 0.64 0.93 0.269
¾" 3.45 1.43 0.89 0.98 0.433
1" 3.80 1.76 1.14 1.06 0.641
1¼" 4.10 2.22 1.39 1.06 0.986
1½" 4.65 2.56 1.64 1.26 1.47
2" 5.48 3.22 2.14 1.52 2.22
Pressure/Temperature Rating
Valve body and stem 400 psi from 15 °F to 200 °F
Press connections 250 psi from 15 °F to 160 °F
150 psi max. at 250 °F

Material

No. Part Material Specification
1 Body DZR Lead Free Brass ASTM B927 C27453
2 End piece DZR Lead Free Brass ASTM B927 C27453
3 Stem Lead Free Brass ASTM B927 C27450
4 Shutter disk Lead Free Brass ASTM B927 C27450
5 Seat NSF EPDM Perox ASTM D2000
6 Retaining disk Lead Free Brass ASTM B927 C27450
7 Spring Stainless Steel ASTM A313 S30200
8 O-ring EPDM -