| Model | U841 – Cast Iron U843 – Carbon Steel U845 – Chrome Moly |
| Sizes | 2″ – 8″ (50 – 200mm) |
| Fluid | Steam, Water, Gas, Vapor, Non-corrosive liquids |
| Connection Type | Flanged, Buttweld, Socketweld, Threaded |
| Gland Packing | PTFE, High Temperature Laminated Graphite, Braided Teflon® Graphite |
Armstrong International owns the exclusive rights to AEROFLOW®, D-Boy™, DLO™, K-Max™, DOS, D-Series, and DOT™ Control Valves—all formerly sold by Leslie Controls. This includes the engineering and design of these product lines and all technical details.
D-Boy™ Series intermediate duties control valves offer improved flow capacity and easy maintenance. D-Boy™ Series control valves are rugged, reliable units specially designed for use in steam, water, gas, vapor, and non-corrosive liquid service. The balanced cage-throttling design permits these valves to be operated with small, compact and economical actuators against fluid pressure drops up to 1480 psig and temperatures up to 800°F.
