Roots 412 RAM Pressure Package

Posted on February 3, 2021

This 40HP 412 RAM pressure package is headed to a plant where kaolin is mined and processed for a wide range of applications including paints, plastics, paper, cement, ink, and insulation.

– Roots 412 RAM Positive Displacement Rotary Blower
– VersaBase 567 with Integral Belt Guard and associated brackets for accessory mounting
– Motor, 40 HP, TEFC, Premium Efficiency, 1800 RPM, 1.15 SF, 230/460 Volts, 3 Phase 60 Hz
– Motor Slide Base, Double Adjusting
– Drive, V-Belt, minimum service factor of 1.4
– Inlet Filter, 6″, Paper Element, Universal CCF-6
– Inlet Silencer, 6″, Chamber-Absorptive Type, Universal SDY-6
– Discharge Silencer, 5″, Chamber-Absorptive Type, Universal SD-5
– Discharge Flex Connector, 5″, Silicone Impregnated Fiberglass
– Relief Valve, Pressure, Spring Type, Kunkle 337, 2.5″, Set at 7 PSI
– Check Valve, 5″ MNPT, EPDM Seal
– Pressure Gauge, 2.5″ Dia., 0-15 PSI, Liquid Filled, Snubber & Gauge Cock
– Mechanical Run Test @ Design Conditions

Operating Conditions:
– Inlet Volume: 50 ACFM (736 SCFM)
– Site Elevation: 500′
– Barometric Pressure: 14.4 PSIA
– Inlet Temperature: 100 °F
– Inlet Pressure Drop: 0.3 PSI
– Blower Inlet Pressure: 14.1 PSIA
– Discharge Pressure Drop: 0.2 PSI
– Discharge Pressure: 6.0 PSIG
– Blower Differential Pressure: 6.5 PSI (43% of maximum)

Performance Data:
– Design Speed: 3,094 RPM (74% of maximum)
– Shaft Power: 31.7 BHP
– Discharge Temperature: 193 °F
– Differential Temperature: 93 °F (39% of maximum)
– Discharge Volume: 679 ACFM
– Estimated Noise Level: 98 dBa at 3 feet