Model 20 Safety Relief Valves are made with a bronze body, PTFE o-ring, and a bronze/brass trim. They are available from ½" x ½" to 3" x 3" in nominal size with MNPT x FNPT (inlet x outlet) end connections. Flanged end connections may be available upon request. The set pressure ranges from 15 PSIG to 300 PSIG and the allowable temperature ranges from -60°F up to 406°F.
Please fill out Set Pressure (PSI) before adding the item to cart.
| Part # | Size | Set Pressure | Description | Price | Qty | |
|---|---|---|---|---|---|---|
| 0020-C01 | 1/2" |
Kunkle Model 20 Liquid Relief Valve 1/2" NPT Inlet / Outlet |
$404.20 | Add to Cart | ||
| 0020-D01 | 3/4" |
Kunkle Model 20 Liquid Relief Valve 3/4" NPT Inlet / Outlet |
$404.20 | Add to Cart | ||
| 0020-E01 | 1" |
Kunkle Model 20 Liquid Relief Valve 1" NPT Inlet / Outlet |
$468.03 | Add to Cart | ||
| 0020-F01 | 1-1/4" |
Kunkle Model 20 Liquid Relief Valve 1-1/4" NPT Inlet / Outlet |
$604.65 | Add to Cart | ||
| 0020-G01 | 1-1/2" |
Kunkle Model 20 Liquid Relief Valve 1-1/2" NPT Inlet / Outlet |
$722.22 | Add to Cart | ||
| 0020-H01 | 2" |
Kunkle Model 20 Liquid Relief Valve 2" NPT Inlet / Outlet |
$1,088.41 | Add to Cart | ||
| 0020-J01 | 2-1/2" |
Kunkle Model 20 Liquid Relief Valve 2-1/2" NPT Inlet / Outlet |
$1,369.49 | Add to Cart | ||
| 0020-K01 | 3" |
Kunkle Model 20 Liquid Relief Valve 3" NPT Inlet / Outlet |
$2,938.35 | Add to Cart |
© 2025 Boiler Supplies. All Rights Reserved. |
Back to Products
