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Bronze Rising Stem Gate Valve | 208B Series | FNPT x FNPT | 125 PSI WSP / 200 PSI WOG
$37.70
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Bronze Rising Stem Gate Valve | 208B Series | FNPT x FNPT | 125 PSI WSP / 200 PSI WOG
The RWV 208B Series Bronze Gate Valve provides precise flow control and reliable shutoff for potable water, HVAC, and hydronic systems. Featuring a rising stem design, this valve offers a clear visual indication of open and closed positions while minimizing seat wear and ensuring full, unobstructed flow in the open state.
Built from ASTM B62 bronze with DZR (Dezincification-Resistant) brass trim, the 208B delivers exceptional corrosion resistance and long-term mechanical strength. The FNPT x FNPT threaded ends comply with ASME B1.20.1 for a precise, leak-free connection across standard piping systems.
Key Features & Benefits
- Rising Stem Gate Design — Provides clear visual status of valve position and reduces wear for long-term durability.
- Durable Bronze Construction — ASTM B62 bronze body and wedge with DZR brass stem for corrosion resistance and strength.
- High Pressure & Temperature Rating — Rated at 125 PSI WSP / 200 PSI WOG, with 125 PSI max at 366°F for both hot and cold water systems.
- Threaded FNPT x FNPT Ends — Built to ASME B1.20.1 for secure installation and easy maintenance.
- MSS-SP-80 Compliant — Meets mechanical and flow standards for quality performance in hydronic and plumbing applications.
Pressure & Temperature Ratings
| Pressure | Temperature Range |
|---|---|
| 200 PSI (15°F–160°F) | 125 PSI max at 366°F |
Dimensions, Cv & Weight
| Size | Thread | D [in] | H (Open) [in] | L [in] | P [in] | R [in] | S [in] | Cv | Weight [lb] |
|---|---|---|---|---|---|---|---|---|---|
| ½″ | ½ - 14 NPT | 2.36 | 4.50 | 1.97 | 0.51 | 0.55 | 1.06 | 12.4 | 0.75 |
| ¾″ | ¾ - 14 NPT | 2.36 | 5.43 | 2.20 | 0.75 | 0.59 | 1.30 | 28.5 | 1.23 |
| 1″ | 1 - 11.5 NPT | 2.76 | 6.80 | 2.68 | 1.00 | 0.75 | 1.53 | 56.8 | 1.82 |
| 1¼″ | 1¼ - 11.5 NPT | 3.35 | 7.88 | 2.68 | 1.26 | 0.75 | 1.97 | 92.2 | 2.52 |
| 1½″ | 1½ - 11.5 NPT | 3.35 | 9.05 | 2.99 | 1.50 | 0.79 | 2.20 | 137 | 3.45 |
| 2″ | 2 - 11.5 NPT | 3.94 | 11.22 | 3.15 | 2.00 | 0.83 | 2.68 | 304 | 4.95 |
Material Construction
| # | Component | Material | Specification |
|---|---|---|---|
| 1 | Body | Bronze | ASTM B62 C83600 |
| 2 | Wedge | Bronze | ASTM B62 C83600 |
| 3 | Stem | DZR Brass | UNS C35330 |
| 4 | Bonnet | Bronze | ASTM B62 C83600 |
| 5 | Packing Ring | Graphite | Sigraflex® Apx® |
| 6 | Packing Nut | Brass | ASTM B124 C37700 |
| 7 | Handwheel | Aluminum | — |
| 8 | Disc | Aluminum | — |
| 9 | Nut | Steel / Zn Plated | ASTM A36 |
Applications: Designed for potable water, hydronic loops, mechanical isolation, and general plumbing systems.