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Twin Purge Ball Valve | 8020S Series | Solder × Solder w/ Dual Drains
$72.00
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Twin Purge Ball Valve | 8020S Series | Solder × Solder w/ Dual Drains
Red-White Valve’s 8020S Twin Purge & Fill Valve delivers industry-leading durability and performance for hydronic, geothermal, and power plant systems. With dual ¾″ hose drains and a 600 PSI WOG rating, this high-pressure solder-end valve allows for rapid, simultaneous fill and purge operations—perfect for critical system maintenance or startup. Its DZR lead-free brass body and chrome-plated full-port ball ensure corrosion resistance, zero flow restriction, and long-term service life even in aggressive environments.
Key Features & Benefits
- Dual Purge Design — Two ¾″ NH drains allow fast filling, draining, and pressure testing without system shutdown.
- 600 PSI WOG Rating — Exceeds industry standards, supporting steam, glycol, and high-pressure hydronic applications.
- ASME B16.18 Solder Ends — Delivers permanent, leak-free installation ideal for high-vibration or seismic conditions.
- Full-Port Chrome-Plated Ball — Ensures unrestricted flow for maximum efficiency and pressure stability.
- DZR Lead-Free Brass Body — ASTM B30 C87850 construction resists dezincification for potable and industrial water use.
- PTFE Seats & Adjustable Packing Gland — Provides zero-leak sealing and long service life under continuous use.
- Temperature Range — Operates from 15°F to 260°F (-9°C to 127°C) with antifreeze or anti-boil additives.
Technical Specifications
| Parameter | Details |
|---|---|
| Pressure Rating | 600 PSI WOG |
| Temperature Range | 15°F – 260°F (-9°C – 127°C) |
| Connections | Solder × Male Hose (¾″ NH) |
| Body Material | DZR Lead-Free Brass ASTM B30 C87850 |
| Certifications | NSF/ANSI 61 & 372 | AB1953 Lead-Free |
| Seat Material | Virgin PTFE |
| O-Rings | EPDM Peroxide 70SH (NSF Approved) |
Dimensions / Weight
| Size | φA | B [in] | φC | D [in] | E [in] | F [in] | G [in] | H [in] | I [in] | L [in] | φP [in] | Weight [lb] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ¾″ | 0.877–0.880 | 0.75 | ¾–11.5NH | 1.89 | 2.66 | 5.65 | 2.20 | 4.09 | 3.60 | 0.73 | 0.73 | 1.59 |
| 1″ | 1.128–1.131 | 0.91 | ¾–11.5NH | 2.10 | 2.77 | 7.30 | 2.57 | 4.65 | 4.98 | 0.98 | 0.98 | 2.12 |
| 1¼″ | 1.377–1.381 | 0.98 | ¾–11.5NH | 2.68 | 3.07 | 7.78 | 2.74 | 5.59 | 4.98 | 1.23 | 1.23 | 2.69 |
Material Construction
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | DZR Lead-Free Brass | ASTM B30 C87850 |
| 2 | Ring Nut | DZR Lead-Free Brass | ASTM B927 C27453 |
| 3 | Ball | LF Brass / Chrome Plated | ASTM B927 C27450 |
| 4 | Seat | PTFE | – |
| 5 | Stem | DZR Brass | ASTM B927 C27453 |
| 6–7 | Packing Components | PTFE / Brass | TF1502 / ASTM B124 C37700 |
| 8–10 | Hardware | Steel / Zn Plated | ASTM A36 |
| 11 | Handle | Aluminum | ASTM B85 |
| 12–17 | Secondary Valve Components | DZR Brass / PTFE / Chrome Ball | ASTM B927 Series |
| 18–22 | Drain Assembly & O-Rings | EPDM Perox 70SH / Brass | NSF Approved |
Warning (California Prop 65): This product can expose you to chemicals including lead, known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.