234AB DZR LF Brass EzPress In-line Check Valve
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 | - |