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Heat Sinks for Oil
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Dozens of fins and coolant tubes quickly dissipate excess heat. Also known as oil coolers, these heat sinks cool hydraulic fluid and lubricating oil in cylinders and compressors. Cooling and flow capacities are based on 50 SSU oil, 1,000 feet per minute of air, a 50° F initial temperature difference, and a 10 psi pressure drop.
Bypass—Heat sinks with a bypass prevent damage to the cooling fins by diverting pressurized oil. They’re often used in machines that are started up while cold. Once the oil heats up and the pressure drops, flow through the cooling tubes resumes.
Overall | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cooling Cap., BTU/hr | Pipe Size | Thread Type | Gender | Ht. | Wd. | Dp. | Heat Sink Material | Max. Pressure, psi | Max. Flow Rate, gpm | Max. Temp., ° F | Fitting Connection | No. of Mounting Kits Req. | Each | |||
Copper Tube—For Oil | ||||||||||||||||
| 3,300 | 1/2 | NPT | Female | 4 1/2" | 15" | 1 1/2" | Aluminum | 300 | 7 | 350 | Threaded | 2 | 3525K11 | 0000000 | ||
| 6,100 | 1/2 | NPT | Female | 6 1/2" | 18" | 1 1/2" | Aluminum | 300 | 9 | 350 | Threaded | 4 | 3525K21 | 000000 | ||
| 8,100 | 1/2 | NPT | Female | 6 1/2" | 24" | 1 1/2" | Aluminum | 300 | 7 | 350 | Threaded | 4 | 3525K12 | 000000 | ||
| 9,600 | 1/2 | NPT | Female | 8 1/2" | 21" | 1 1/2" | Aluminum | 300 | 11 | 350 | Threaded | 4 | 3525K13 | 000000 | ||
| 11,800 | 3/4 | NPT | Female | 12 3/4" | 18" | 1 1/2" | Aluminum | 300 | 19 | 350 | Threaded | 4 | 3525K14 | 000000 | ||
| 24,000 | 3/4 | NPT | Female | 18 3/4" | 24" | 1 1/2" | Aluminum | 300 | 22 | 350 | Threaded | 6 | 3525K25 | 000000 | ||
| 31,000 | 1 | NPT | Female | 25" | 24" | 1 1/2" | Aluminum | 300 | 28 | 350 | Threaded | 8 | 3525K26 | 000000 | ||
| 49,000 | 1 | NPT | Female | 31" | 30" | 1 1/2" | Aluminum | 300 | 30 | 350 | Threaded | 8 | 3525K27 | 000000 | ||
| 57,000 | 1 1/4 | NPT | Female | 37 7/16" | 30" | 1 1/2" | Aluminum | 300 | 36 | 350 | Threaded | 8 | 3525K28 | 00000000 | ||
Copper Tube with Bypass—For Oil | ||||||||||||||||
| 3,400 | 1/2 | NPT | Female | 4 1/2" | 15" | 1 1/2" | Aluminum | 300 | 7 | 350 | Threaded | 2 | 3525K101 | 000000 | ||
| 6,300 | 1/2 | NPT | Female | 6 1/2" | 18 1/4" | 1 1/2" | Aluminum | 300 | 9 | 350 | Threaded | 4 | 3525K102 | 000000 | ||
| 10,000 | 1/2 | NPT | Female | 8 1/2" | 21" | 1 1/2" | Aluminum | 300 | 11 | 350 | Threaded | 4 | 3525K103 | 000000 | ||
| 12,000 | 3/4 | NPT | Female | 12 3/4" | 18" | 1 1/2" | Aluminum | 300 | 9 | 350 | Threaded | 4 | 3525K104 | 000000 | ||
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Mounting kits are required for installation.
Includes | Each | ||
|---|---|---|---|
| Two Carriage Bolts, Two Flat Washers, Two Lock Washers, Two Nuts, Two Rubber Blocks | 3525K41 | 000000 |
High-Capacity Heat Sinks for Oil
 |  |
Style A | Style B |
Totally Enclosed Nonventilated (TENV)—208V AC to 230V AC/460V AC, Three Phase
 |
Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cooling Cap., BTU/hr | Thread Size | Ht. | Wd. | Dp. | Heat Sink Material | Max. Pressure, psi | Max. Flow Rate, gpm | Max. Temp., ° F | Dash Size | Each | |||
Female UN/UNF (SAE Straight) Thread—For Oil | |||||||||||||
| 12,000 | 1 1/16"-12 | 13 3/4" | 13 3/4" | 12 9/16" | Aluminum | 377 | 30 | 250 | 12 | 3579K111 | 000000000 | ||
| 20,000 | 1 1/16"-12 | 14 1/2" | 14 1/8" | 16 15/16" | Aluminum | 377 | 35 | 250 | 12 | 3579K21 | 00000000 | ||
Totally Enclosed Fan-Cooled (TEFC)—208V AC to 230V AC/460V AC, Three Phase
| |
Style A | Style B |
Overall | Bolt Hole | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Cooling Cap., BTU/hr | Thread Size | Ht. | Wd. | Dp. | SAE Pipe Flange Size | Dia. | No. of | Ctr.-to-Ctr. | Heat Sink Material | Max. Pressure, psi | Max. Flow Rate, gpm | Max. Temp., ° F | Dash Size | Each | |||
Female UN/UNF (SAE Straight) Thread—For Oil | ||||||||||||||||||
| A | 7,500 | 1 5/16"-12 | 11 13/16" | 14 13/16" | 20" | — | — | — | — | Aluminum, Copper | 300 | 20 | 400 | 16 | 3579K101 | 000000000 | ||
| A | 13,800 | 1 5/16"-12 | 13 1/8" | 19" | 19 1/4" | — | — | — | — | Aluminum, Copper | 300 | 25 | 400 | 16 | 3579K102 | 00000000 | ||
| B | 27,000 | 1 5/16"-12 | 15 15/16" | 16 1/8" | 14 3/16" | — | — | — | — | Aluminum | 377 | 50 | 250 | 16 | 3579K22 | 00000000 | ||
| B | 32,000 | 1 5/16"-12 | 15 15/16" | 16 9/16" | 16" | — | — | — | — | Aluminum | 377 | 65 | 250 | 16 | 3579K112 | 00000000 | ||
| B | 44,000 | 1 5/8"-12 | 19 9/16" | 22" | 15 3/8" | — | — | — | — | Aluminum | 377 | 60 | 250 | 20 | 3579K113 | 00000000 | ||
| B | 76,000 | 1 5/8"-12 | 24" | 25 9/16" | 16 3/4" | — | — | — | — | Aluminum | 377 | 65 | 250 | 20 | 3579K23 | 00000000 | ||
| B | 90,000 | 1 5/8"-12 | 24" | 26 3/8" | 18" | — | — | — | — | Aluminum | 377 | 75 | 250 | 20 | 3579K24 | 00000000 | ||
| B | 126,000 | 1 5/8"-12 | 25 7/8" | 30 5/16" | 19 1/2" | — | — | — | — | Aluminum | 377 | 80 | 250 | 20 | 3579K114 | 00000000 | ||
SAE Flange—For Oil | ||||||||||||||||||
| B | 205,000 | — | 30 3/16" | 37" | 23 3/16" | 2 | 0.51" | 4 | 1.688" to 3.062" | Aluminum | 377 | 115 | 250 | — | 3579K116 | 00000000 | ||
| B | 238,000 | — | 33 1/4" | 39" | 23 3/8" | 2 | 0.51" | 4 | 1.688" to 3.062" | Aluminum | 377 | 120 | 250 | — | 3579K117 | 00000000 | ||
| B | 356,000 | — | 38 3/8" | 43 5/8" | 29 1/2" | 2 | 0.51" | 4 | 1.688" to 3.062" | Aluminum | 250 | 150 | 250 | — | 3579K119 | 000000000 | ||
