OCA Series
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Catalog excerpts

OCA Series - 1

FLUID COOLING | P-Bar Series Industrial AOL BRAZED ALUMiNUM CONSTRUCTiON HYDRAULiC OR COMPRESSOR OiL COOLiNG Features Large Oil Flow High performance industrial duty brazed aluminum bar and plate Core Compact all aluminum core assembly Ideal for converting water cooled equipment to air cooled Eliminates high water and sewer costs Eliminates corrosion problems associated with water cooled units Vertical air flow works well for heat recovery State-of-the-art heat transfer technology Hydraulic motors available Optional SAE Ports Marine corrosion control coatings available High performance air side fin design Detachable legs maximum Operating pressure Legs Steel with baked enamel finish Petroleum/mineral oils 250 psi (17 BAR) Shroud Steel Oil/water emulsion M®x ""TO Ce rating Temperature standard Core Brazed Aluminum Bar and Plate Water/ethylene glycol 300 F (150 C) ■ Tanks - 5052 Aluminum ■ Nose Bar & Little Bar - 3003-H Aluminum ■ Air Fin, Plate, Turbulator & End Plate -3003-O Aluminum Fan Aluminum Hub, Plastic Blades Motor TEFC Model Model Size Selected Specify Motor Required 0 - No Motor 2 - Single Phase 3 - Three Phase 6 - 575 Volt 9 - Hydraulic 18 - IEC Three Phase Noise Level Blank - Standard Noise Level LN - Low Noise Level

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OCA Series - 2

Note: We reserve the right to make reasonable design changes without notice. Ail dimensions are in inches and (millimeters). Selection Procedure Performance Curves based on 100°F (55.56°C) E.T.D. or Entering Temperature Difference (E.T.D = Entering oil temperature minus ambient air temperature). SAE #10 oil @ 200°F (93.33°C). Oil pressure drop coding: X = 5 PSI (.345 BAR) • = 10 PSI (.689 BAR) ♦ = 15 PSI (1.03 BAR) ▲ = 20 PSI (1.38 BAR) ■ = 30 PSI (2.10 BAR) E.T.D. temperature correction formula: ENGLiSH Version 100 HP Curve = HP To Be Removed X Desired E.T.D METRiC Version KW Heatload...

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OCA Series - 3

Specifications Electric Motor & Fan Data Model Fan Motor Full Load CFM H.P. Voltage Phase Amps 230V Frequency Nema Thermal Sound (Hz) RPM Frame Overload dB(A) at 3 ft. Published electrical ratings are approximate, and may vary because of motor brand. Actual ratings are on motor nameplate. May also be operated at 50 hz. Consult factory for details. 50 Hz voltage: 190-200-208-220/380-400-415-440 (4) 50 Hz voltage: 190-208/380-415 All motors shown are TEFC—Other motor options available upon request. (1) Electric Motor Information (50 Hz IEC Frame) S dB(A) ound Voltage Phase All IEC frame...

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OCA Series - 4

Note: Derate heat rejection values 15% if using 50Hz motors. Heat Rejection (KW/°C) Horsepower Removed in Cooler @ 100°F ETD Heat Rejection (KW/°C) Horsepower Removed in Cooler @ 100°F ETD Available in 60 Hz Nema Frame only.

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OCA Series - 5

FLUID COOLING | P-Bar Series Industrial BOL brazed aluminum Construction Features Bar and Plate Brazed Aluminum Core Rugged, lightweight, and compact Provides the best heat transfer per given envelope size while minimizing pressure drop Air-side fin design minimizes fouling and static pressure ensuring longterm, reliable performance elded fittings/ports and manifolds W ensure structural integrity Standard SAE ports – NPT and BSPP ports available ustomized units are available to C meet your specific performance requirements -BAR core optional for high viscosity T oils or other highly fouling...

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OCA Series - 6

G 2 PLACES BOL 8 - 30 AIR FLOW BOL 400 -1600 AIR FLOW Approx. Wt. Ship Model A B C D E F G H J K L M N P (Kg) lbs BOL-4 See diagram above BOL-2000 See diagram above — — — — — — — — — — — (264.00) 582 Note: We reserve the right to make reasonable design changes without notice. All dimensions are in inches and (millimeters).

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OCA Series - 7

Specifications Electric Motor Information (60 Hz Nema Frame) Load T Full hermal S ound Voltage Phase Amps 230V 230 Frame Overload — Electric Motor Information (50 Hz IEC Frame) S ound All IEC frame motors have CE mark. IEC motor voltages have +/- 10% tolerance. Hydraulic Motor Information Oil Flow Min. Pressure Motor IN 3 /REV Sound Required Required (CM 3 /REV) dB(A) Model GPM (LPM) PSI (BAR) Displacement at 3 ft. Oil Flow Min. Pressure Motor IN 3 /REV Sound Required Required (CM 3 /REV) dB(A) Model GPM (LPM) PSI (BAR) Displacement at 3 ft. Notes: Maximum Pressure is 2000 psi. Stated...

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OCA Series - 8

Selection Procedure Step 1 Determine Heat Load. Typical Rule of Thumb, -size cooler for 1/3 of the input horsepower. Heat load may be expressed as either Horsepower or BTU/Hr or KW/°C. HP=BTU/HR ÷ 2545 Metric Version Corrected Heat Rejection Step 4 Select Model From Curves Enter the Performance Curves at the bottom with the GPM oil flow and proceed upward to the adjusted Heat Rejection from Step 3. Any Model or Curve on or above this point will meet these conditions. Step 2 Determine Entering Temperature Difference. Step 5 Calculate Oil Pressure Drop Find the oil pressure drop Entering oil...

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OCA Series - 9

Performance Curves BOL Models with Optional T-BAR Core -Bar Series BOL-T Performance Data Curve Op t ional T- Bar core sect ion cutaway Heat Rejection KW/°C Heat Rejection BTU/HR @ 100F ETD Note: Derate heat rejection values 15% if using 50Hz motors. Pressure Drop Oil Temperature Typical operating temperature ranges are: Hydraulic Motor Oil 120°F - 180°F (49°C - 82.2°C) Hydrostatic Drive Oil 160°F - 180°F (71°C - 82.2°C) Engine Lube Oil 180°F - 200°F (82.2°C - 93.3°C) Automatic Transmission Fluid 200°F - 300°F (93.3°C - 149°C) Correction Factor Desired Reservoir Temperature Oil Temperature:...

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OCA Series - 10

Performance Curves BOL Models with Low-Noise Option The low noise option offers the BOL models with a reduced motor speed. This allows a lower sound level output for noise-sensitive applications. Performance Data Curve Heat Rejection KW/°C Heat Rejection BTU/HR @ 100F ETD Available on 60 Hz Nema frame only. Sound Data Electric Motor Information Low Low Low Noise Noise Noise Model HP Frame RPM CFM CMM Voltage

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