Model "NJ" (Non-Jamming) Rotary Feeder Valve Standard Features
The Young Industries Model "NJ" Rotary Valve standard features increase the valve's life cycle and lowers the cost of ownership:
The standard features are:
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Non-jamming inlet design for use for metering pellets
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Unlike the Model "SE" side entry rotary valves, the feeding capacity increases in direct proportion to the speed and feeding efficiency is not reduced through the valve's recommended speed range.
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15 PSIG Housing and differential pressure or vacuum
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Minimum four blade sealing with two (2) blade sealing on each side.
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Fabricated or cast designs
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Materials of construction: Cast or fabricated carbon steel, cast or fabricated stainless steel and cast or fabricated Aluminum
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Raw materials are traceable to standard specifications with ASTM the most used specification
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Round or square inlet flange
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Round or square discharge flange
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Up to 250°F operation temperature, with designs offered to withstand up to 1600°F temperature
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Outboard-mounted precision ball bearings
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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.
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Eight (8) bladed rotor with twelve (12) bladed rotor for rotary valves over 12" size to provide low operating air or gas leakage.
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Special shroudedS rotor and inlet baffle standard
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Rotor assembled near-perfect concentrically to the housing
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Heavy rotor shafts secured to eliminate shifting in the housing
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Grounding and bonding connection to NFPA specifications
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Right-angle gearmotor, side mounted, 3 phase, 60 Hertz, 230-460 volts, TEFC and roller chain drive and safety to OSHA requirements.
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Painted blue enamel or Steelcote stainless steel paint
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Completely assembled and tested.
