Smith Cooper's black malleable unions are UL listed and conform to ASME B16.39 standards.
Specifications
- SCI Branded Class 300 Fitting
- UL listed
- Malleable castings conforms to ASTM A197
- Malleable fittings dimensions conform to ASME B16.3
- Malleable unions conforms to ASME B16.39
- NPT Threads conform to ASME B1.20.1
- Independent lab verification that fittings meet applicable chemical & mechanical properties
- SCI branded fittings are 100% air tested
