» monoflow and duoflow design
» self-supported rotating union
» seals and bearings made of special Carbon Graphite
» convex seal ring better suited to handle mechanical and thermal shock
» external mechanism to adjust siphon pipe through end cap
» nickel-plated front and rear end cap
» nickel-plated ductile iron housing
» stainless steel spring
» heavy duty steel rotor design
» dual bearings for extended service life
