These unions are available with two different balanced and microlapped sealing assemblies:
N Seal (Standard Sealing) with carbon graphite to carbide seals for application with filtered water.
D Seal (Heavy duty sealing) with carbide to carbide seals for poor filtrated.
Fluid pressure over 8 bar is allowed only when the fluid is cool water at max temperature 125°F (50°C). Do not use the unions at max application limits without consulting ROTOFLUX.