The Young Industries, Inc. Model “BT” (Blow-Thru) Rotary Airlock Valve is a drop-thru valve with a convey line built into the bottom of the end plates. This Rotary Valve is used to meter sticky or cohesive powder bulk materials in a pneumatic conveyor. The conveying air blow through the valve’s rotor pockets to assist the material’s discharge.
Features 15 psiG Housing and differential pressure or vacuum.
Minimum four blade sealing with two (2) blade sealing on each side.
Fabricated or cast designs.
Materials of construction: Cast or fabricated carbon steel, cast or fabricated stainless steel and cast or fabricated Aluminum.
Raw materials are traceable to standard specifications with ASTM the most used specification.
Round or square inlet flange.
Round or square discharge flange.
Up to 250°F operation temperature, with designs offered to withstand up to 1600°F temperature.
Outboard-mounted precision ball bearings.
Packing gland rotor shaft seal consisting square braided Kevlar impregnated with PTFE packing, 4 rings per side and held in place by an aluminum packing follower.
Eight (8) bladed rotor with twelve (12) bladed rotor for rotary valves over 12″ size to provide low operating air or gas leakage.
Rotor assembled near-perfect concentrically to the housing.
Heavy rotor shafts secured to eliminate shifting in the housing.
Two (2) basic styles of rotors available with each style having two (24) different types of rotors. The types are partially filled and “D” – adjustable tips.
Grounding and bonding connection to NFPA specifications.
Right-angle Gearmotor, side mounted, 3 phase, 60 Hertz, 230-460 volts, TEFC and roller chain drive and safety to OSHA requirements.
Painted blue enamel or Steelcote stainless steel paint.
Completely assembled and tested.
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