Mueller® 521 Reducing Pipe Coupling, 1-1/2 x 1-1/4 Inch, NPT, 350 psi WOG, Malleable Iron, Black Oxide
Mueller® 521 Reducing Pipe Coupling, 1-1/2 x 1-1/4 Inch, NPT, Class 150, 350 psi WOG Working, ASTM A197 Malleable Iron, Black Oxide, ASME B16.3/B16.14/B16.39, -20 to 150 deg F
| End Style | : | NPT |
| Finish | : | Black Oxide |
| Industry Standards | : | ASME B16.3/B16.14/B16.39 |
| Material Specification | : | ASTM A197 |
| Material | : | Malleable Iron |
| Nominal Size | : | 1-1/2 x 1-1/4 Inch |
| Pressure Class | : | Class 150 |
| Series | : | 521 |
| Temperature Rating | : | -20 to 150 deg F |
| Working Pressure | : | 350 psi WOG |
Standard/Approvals: cUL Listed, FM Approved
Application: Air, Gas and Water