Size & Dimension
| Line Size | Size Code | A | B | C* | D** | E | F*** | G | Orifice Diameter |
|---|---|---|---|---|---|---|---|---|---|
| 1 | H | 1 | 1/16 | 1.72 | 2.16 | 0.38 | 0.870 | 1.47 | 0.476 |
| 1-1/2 | J | 1-1/2 | 1/16 | 2.53 | 3.47 | 0.38 | 1.370 | 2.18 | 0.890 |
| 2 | k | 2 | 1/16 | 3.03 | 4.13 | 0.47 | 1.870 | 2.59 | 1.135 |
| 2-1/2 | L | 2-1/2 | 1/16 | 3.28 | 4.59 | 0.47 | 2.370 | 2.85 | 1.59 |
| 3 | M | 3 | 1/16 | 4.59 | 5.53 | 0.47 | 2.870 | 3.36 | 2.150 |
| 4 | N | 4 | 1/16 | 4.75 | 6.69 | 0.47 | 3.834 | 4.02 | 2.699 |
NOTES (DIMENSIONS TABLE)*Maximum nominal dimension for valve closed.
**Maximum nominal dimension for a fully open valve.
***Valves are designed to function with fittings having these internal diameters. (±0.005)
Consult factory for more information.
Available Materials
Body Material Options
- 316/316L Stainless Steel
Seat Material Options
- 3-A EPDM, 3-A Silicone
Spring Material Options
- 316 Stainless Steel
- HASTELLOY® C-276
Pressure Temperature Table
Note: 30 PSI is the maximum recommended pressure drop.
| Body Material | Line Size | Non-Shock Pressure- Temperature Rating |
|---|---|---|
| 316 Stainless Steel (SS) | 1" | 1000 PSIG @ 100°F |
| 1-1/2" - 4" | 725 PSIG @ 100°F |
Seat material and spring material selection may limit the recommended service temperature.
See seat ratings, spring ratings, and body material ratings for their respective recommended service temperatures.
Consult the factory for reduced P-T rating above 100 °F. Standard spring material is 316 Stainless Steel.
Flow Data
PRESSURE DROP PSI
| Size | Cv |
|---|---|
| 1 | 5.2 |
| 1-1/2 | 16.1 |
| 2 | 27.2 |
| 2-1/2 | 49.4 |
| 3 | 74.9 |
| 4 | 120.0 |
FOR WATER AT 72°F
WATER FLOWRATE - GPM
Note: All flow curves and Cv values presume the valves are fully open with 1/2 PSI cracking pressure springs. Consult the factory for more information.
Valve Weights
| SIZE | PART NUMBER | 316/316 LSS |
|---|---|---|
| 1 | 3SH | 2.3 oz. |
| 1-1/2 | 3SJ | 6.2 oz. |
| 2 | 3SK | 13.9 oz. |
| 2-1/2 | 3SL | 1.5 lb. |
| 3 | 3SM | 1.9 lb. |
| 4 | 3SN | 3.9 lb. |
Seat & Cracking Pressure Options
| Valve Style | Size Range | Body Materials Other Options | Allowable Seat Materials | Standard Cracking Pressures Other Options More Info. | Standard Spring Material More Info. |
|---|---|---|---|---|---|
| 3S | 1" - 4" | 316 SL/316 SS | 3-A AFLAS® 3-A EPDM 3-A Kalrez® 3-A Silicone 3-A Viton® 3-A/USP Class VI AFLAS® 3-A/USP Class VI EPDM 3-A/USP Class VI Kalrez® 3-A/USP Class VI Silicone 3-A/USP Class VI Viton® | 1/2 PSI 1.5 PSI | 316 SS |
