Body
The Metric feeder is ruggedly constructed to maintain roundness. It can be furnished with either a closed or open end rotor. The throat inlet is angled to induce a shearing action for smoother operation. An optional port is available and extends the full length of the body. It may be used as an inspection panel and clean-out port. The inlet flange easily adapts to a square or a standard 125 Ib. ASA flange on Models 150, 300, 700, 2500.

Rotor
Two basic designs are available - open or closed end. All rotors have eight (8) vanes with a minimum of four (4) vanes sealing at all times to minimize leakage. Rotors can be furnished with beveled blades and hard-coated tips as required.

End Plates
Designed to assure efficient sealing of the shaft with two (2) lip seals and two (2) lantern rings or three (3) rows of packing and one (1) lantern ring per end plate. Pipe taps are provided for the air purge and lubrication of the lip seals. Standard design includes lantern rings, lip seals and outboard sealed bearings.

Motor Mounting
Motor support lugs are cast as an integral part of the feeder body to permit the mounting of a gearmotor directly on the unit, resulting in a compact package requiring minimum space.

Motor Drive
All integral horsepower gearmotors are TEFC, 1.15 Service Factor, Class "F" insulation and corrosion-resistant. All standard gearmotors are 230/460 volts, three (3) phase, 60 Hz. Standard drives are roller chain with OSHA approved guards. Oil bath guards are also available.

Note: All standard Feeders (Airlocks) are designed to handle material in conveying systems that operate up to a maximum pressure differential of 5 PSIG (1.05 Kg/cm2).
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Compressor Size

Size

Rotor

Body

Series

End Plates

S1-150 N/A 150 N/A Fabricated carbon steel N/A Cast Iron N/A Series 1: Cast Iron N/A Cast Iron
S1-300 N/A 300 N/A Fabricated carbon steel N/A Cast Iron N/A Series 1: Cast Iron N/A Cast Iron
S1-700 N/A 700 N/A Fabricated carbon steel N/A Cast Iron N/A Series 1: Cast Iron N/A Cast Iron
S1-2500 N/A 2500 N/A Fabricated carbon steel N/A Cast Iron N/A Series 1: Cast Iron N/A Cast Iron
S2-150 N/A 150 N/A Fabricated stainless steel N/A Stainless steel N/A Series 2: Stainless Steel N/A Stainless steel
S2-300 N/A 300 N/A Fabricated stainless steel N/A Stainless steel N/A Series 2: Stainless Steel N/A Stainless steel
S2-700 N/A 700 N/A Fabricated stainless steel N/A Stainless steel N/A Series 2: Stainless Steel N/A Stainless steel
S2-2500 N/A 2500 N/A Fabricated stainless steel N/A Stainless steel N/A Series 2: Stainless Steel N/A Stainless steel
S3-150 N/A 150 N/A Fabricated stainless steel N/A Aluminum N/A Series 3: Aluminum and Stainless Steel N/A Aluminum
S3-300 N/A 300 N/A Fabricated stainless steel N/A Aluminum N/A Series 3: Aluminum and Stainless Steel N/A Aluminum
S3-700 N/A 700 N/A Fabricated stainless steel N/A Aluminum N/A Series 3: Aluminum and Stainless Steel N/A Aluminum
S3-2500 N/A 2500 N/A Fabricated stainless steel N/A Aluminum N/A Series 3: Aluminum and Stainless Steel N/A Aluminum
S4-150 N/A 150 N/A Fabricated stainless steel N/A Stainless steel N/A Series 4: Stainless Steel and Aluminum N/A Aluminum
S4-300 N/A 300 N/A Fabricated stainless steel N/A Stainless steel N/A Series 4: Stainless Steel and Aluminum N/A Aluminum
S4-700 N/A 700 N/A Fabricated stainless steel N/A Stainless steel N/A Series 4: Stainless Steel and Aluminum N/A Aluminum
S4-2500 N/A 2500 N/A Fabricated stainless steel N/A Stainless steel N/A Series 4: Stainless Steel and Aluminum N/A Aluminum
S5-150 N/A 150 N/A Fabricated carbon steel, hard surfaced N/A Ductile iron N/A Series 5: Combination Iron N/A Cast Iron
S5-300 N/A 300 N/A Fabricated carbon steel, hard surfaced N/A Ductile iron N/A Series 5: Combination Iron N/A Cast Iron
S5-700 N/A 700 N/A Fabricated carbon steel, hard surfaced N/A Ductile iron N/A Series 5: Combination Iron N/A Cast Iron
S5-2500 N/A 2500 N/A Fabricated carbon steel, hard surfaced N/A Ductile iron N/A Series 5: Combination Iron N/A Cast Iron
S6-150 N/A 150 N/A Fabricated carbon steel N/A Cast Iron N/A Series 6: Cast Iron, NFPA 85F Standard N/A Cast Iron
S6-300 N/A 300 N/A Fabricated carbon steel N/A Cast Iron N/A Series 6: Cast Iron, NFPA 85F Standard N/A Cast Iron
S6-700 N/A 700 N/A Fabricated carbon steel N/A Cast Iron N/A Series 6: Cast Iron, NFPA 85F Standard N/A Cast Iron
S6-2500 N/A 2500 N/A Fabricated carbon steel N/A Cast Iron N/A Series 6: Cast Iron, NFPA 85F Standard N/A Cast Iron
S7-150 N/A 150 N/A Fabricated carbon steel, hard surfaced N/A Ductile iron N/A Series 7: Combination Iron, NFPA 85F Standard N/A Cast Iron
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