Hydronic Terminal Balancing Valve | 9529AB Series | Solder × Solder | Lead-Free Brass
$101.00
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Hydronic Terminal Balancing Valve | 9529AB Series | Solder × Solder | Lead-Free Brass
The Red-White Valve 9529AB Series is a high-performance ON/OFF terminal balancing valve designed for hydronic systems in commercial and residential HVAC applications. Constructed from lead-free brass and featuring ASME B16.22 solder joint ends, this model delivers precise flow balancing, shut-off capability, and compatibility with RWV Vaurien actuators for automated control.
Key Features & Benefits
- Accurate Flow Balancing — Integrated regulating scale and ON/OFF functionality provide precise terminal flow control in heating and cooling systems.
- Solder Joint Connections — Sweat-style ends conform to ASME B16.22 for secure and permanent copper piping installations.
- Certified Lead-Free Brass — Manufactured from C27450 / C28000 brass and fully compliant with AB1953, NSF/ANSI/CAN 61 & 372 for potable water use.
- Factory-Installed Test Points — Includes dual test ports with EPDM Perox gaskets and polypropylene ties for simplified differential pressure and flow verification.
- Actuator-Ready Design — Threaded M30×1.5 bonnet allows for quick actuator mounting—compatible with RWV Vaurien 1, 2, and 3 models.
- Rugged Construction — Brass cartridge, stainless steel springs, and polyamide components ensure durability under demanding conditions.
- Thermal & Pressure Rated — Operates between 15°F and 260°F with a 300 PSI WOG pressure rating (300 psi @ 160°F / 150 psi @ 260°F).
Technical Specifications
- Connection Type: Solder Joint Ends (ASME B16.22)
- Sizes Available: ½″ to 2″
- Regulating Cv Range (2″): 4.4 – 30.17 GPM/√psi (0.5 to 15 positions)
- Maximum ΔP (2″): 19 psi
- Body Material: Lead-Free Brass (ASTM B927 C27450)
- Seals: EPDM Perox (NSF Approved)
- Operating Medium: Water with optional antifreeze or anti-boil additives
Dimensions & Flow Range
| Size | ØC [in] | L [in] | B [in] | HC [in] | Weight [lb] | Flow Range [GPM] |
|---|---|---|---|---|---|---|
| ½″ | 0.627–0.631 | 3.3 / 3.9 | 0.65 / 0.51 | 3.6 / 4.03 | 0.77 / 0.74 | 0.98–2.35 |
| ¾″ | 0.877–0.881 | 3.5 / 4.6 | 0.76 / 0.78 | 3.6 / 4.03 | 0.99 / 0.99 | 2.19–5.15 |
| 1″ | 1.128–1.131 | 3.9 / 5.0 | 0.90 / 0.92 | 4.6 | 1.37 / 1.27 | 4.09–9.56 |
| 1¼″ | 1.378–1.381 | 4.3 | 0.91 | 5.9 | 2.10 / 1.80 | 8.56–19.81 |
| 1½″ | 1.628–1.632 | 4.7 | 0.91 | 5.9 | 2.70 / 2.40 | 12.84–29.80 |
| 2″ | 2.128–2.132 | 5.5 | 1.15 | 6.4 | 3.80 / 3.40 | 24.09–55.63 |
Material Breakdown
| Part | Material | Specification |
|---|---|---|
| Body / Plug / Bonnet | Lead-Free Brass | ASTM B927 C27450 / C28000 |
| Balancing Stem & Washer | Lead-Free Brass | C28500 / C37700 |
| Spring / Stem / Stop Ring | Stainless Steel | — |
| Disc Gaskets / O-Rings | EPDM Perox | NSF Approved |
| Graduated Scale | Blue Polypropylene | — |
| Indicator / Cap | Polyamide (Orange & Blue) | — |
| Test Point | DZR Brass | UNS C35330 |
Certifications & Compliance
- AB1953 Lead-Free Compliant
- NSF/ANSI/CAN 61 & 372 Certified
- Dezincification Resistant (DZR) Brass
- Buy American Act (BAA) Compliant
Warning (California Prop 65): This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

