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Brass CSA Gas Ball Valve | 5231 Series | Flare x Flare | 175 PSI
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Brass CSA Gas Ball Valve | 5231 Series | Flare × Flare | 175 PSI
Red-White Valve’s 5231 CSA Gas Ball Valve provides durable, leak-resistant control for residential and commercial gas applications. Featuring Flare × Flare (UNF) connections and a 175 PSI rating, this precision-engineered 2-piece valve delivers secure performance and easy installation in high-pressure gas systems. Constructed from ASTM B283 C37700 brass with a chrome-plated brass ball, it ensures reliable sealing and corrosion resistance for long-term operation.
Key Features & Benefits
- High-Pressure Performance — Rated for 175 PSI and designed for CSA ½ & 5 psi gas service applications.
- 2-Piece Brass Body — Machined from ASTM B283 C37700 brass for strength and reliability under demanding conditions.
- Flare × Flare Design — SAE UNF flared ends provide a tight, leak-free seal for natural gas, propane, and HVAC applications.
- Chrome-Plated Brass Ball — Provides smooth operation, corrosion resistance, and long service life.
- PTFE Seats & Dual O-Rings — FKM and HNBR O-rings with PTFE seats ensure excellent sealing and chemical resistance.
- CSA & ANSI Certified — Meets ANSI Z21.15 / CGA 9.1 standards and carries CSA ΔC approval for verified safety.
- Aluminum Handle — ANSI B85 A03840 aluminum handle with zinc-plated steel screw for durable manual operation.
Technical Specifications
| Parameter | Details |
|---|---|
| Pressure Rating | 175 PSI (CSA ½ & 5 psi) |
| Connections | Flare × Flare (UNF, SAE Standard) |
| Body Material | Brass ASTM B283 C37700 |
| Ball Material | Brass / Chrome Plated (ASTM B124 C37700) |
| Seat Material | PTFE |
| O-Rings | FKM + HNBR 70SH |
| Handle | Aluminum (ASTM B85 A03840) |
| Certifications | ANSI Z21.15 | CGA 9.1 | CSA ½ & 5 psi | CSA ΔC |
Dimensions / Weight
| Size | T (Thread) | A [in] | C [in] | H [in] | L [in] | P1 [in] | P2 [in] | Wt. [lb] |
|---|---|---|---|---|---|---|---|---|
| ⅜″ | ⅝–18 UNF | 2.36 | 0.62 | 1.27 | 1.18 | 0.28 | 0.39 | 0.28 |
| ½″ | ¾–16 UNF | 2.62 | 0.75 | 1.27 | 1.18 | 0.41 | 0.39 | 0.28 |
| ¾″ | ⅞–14 UNF | 3.13 | 0.88 | 1.45 | 1.18 | 0.50 | 0.59 | 0.56 |
Material Construction
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Brass | ASTM B283 C37700 |
| 2 | End Piece | Brass | ASTM B283 C37700 |
| 3 | Ball | Brass / Chrome-Plated | ASTM B124 C37700 |
| 4 | Seat | PTFE | — |
| 5 | Stem | Brass | ASTM B124 C37700 |
| 6 | O-Ring | FKM | — |
| 7 | O-Ring | HNBR 70SH | — |
| 8 | Handle | Aluminum | ASTM B85 A03840 |
| 9 | Handle Screw | Steel / Zn-Plated | ASTM A36 |
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.