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Suction Line Heat Exchangers

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For enhanced evaporator capacity, system stability, compressor protection and oil return.

Nominal SLHE selections should be based on system horsepower, which will provide a nominal 10ºF subcooling and a nominal 20ºF suction superheat for R-22, R-502, R-404A, R-507, R-407A, R-504, R-134A, R-407C and R-410A at 110ºF condensing and 25ºF suction. For example, for a 1-1/2 HP system, select an SLHE 1-1/2. Do not select undersized models to avoid high suction pressure drops and gas whistling.

Selections based on suction and liquid line sizes are appropriate for standard low, medium and high temperature refrigeration systems provided the system HP rating closely matches the SLHE selection.

Selection of oversized models will provide additional liquid subcooling and suction superheat. Oversized models are acceptable only if the suction gas temperature to the compressor is not raised above 65ºF for proper compressor performance.

Standard and custom models can be selected by Doucette to meet any performance criteria, up to 60ºF subcooling. For exacting subcooling and superheat performance please contact the factory.





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  Results 1 - 20 of 20 1 

Item #

HP

Gas Conn

Liquid Conn

Length

DWP

Weight

List Price

SLHE 1 1 5/8 " 3/8 " 13 3/4 " 700 psig 2 lbs $50.00
SLHE 1 1/2 1 1/2 7/8 " 3/8 " 14 1/2 " 700 psig 3 lbs $64.00
SLHE 2 2 1 1/8 " 3/8 " 15 " 400 psig 3 lbs $79.00
SLHE 1/2 1/2 1/2 " 1/4 " 11 1/2 " 500 psig 1 lbs $44.00
SLHE 3/4 3/4 5/8 " 3/8 " 11 3/4 " 500 psig 2 lbs $46.00
SLHE 3 3 1 1/8 " 1/2 " 15 " 700 psig 3 lbs $83.00
SLHE 5 5 1 3/8 " 5/8 " 14 1/4 " 633 psig 4 lbs $143.00
SLHE 7 1/2 7 1/2 1 5/8 " 5/8 " 17 " 633 psig 4 lbs $159.00
SLHE 10 10 2 1/8 " 7/8 " 18 " 400 psig 8 lbs $239.00
SLHE 15 15 2 1/8 " 7/8 " 25 " 400 psig 12 lbs $355.00
SLHE 20 20 2 1/8 " 1 1/8 " 27 " 400 psig 13 lbs $382.00
SLHE 20 HP 20 2 1/8 " 1 1/8 " 30 7/8 " 700 psig 15 lbs $495.00
SLHE 25 25 2 5/8 " 1 1/8 " 28 7/8 " 450 psig 15 lbs $516.00
SLHE 30/35 30 2 5/8 " 1 3/8 " 28 7/8 " 450 psig 16 lbs $560.00
SLHE 40 40 3 1/8 " 1 3/8 " 28 7/8 " 450 psig 20 lbs $698.00
SLHE 50 50 3 1/8 " 1 5/8 " 28 7/8 " 450 psig 20 lbs $747.00
SLHE 60 60 4 1/8 " 1 5/8 " 29 7/8 " 450 psig 44 lbs $1,000.00
SLHE 75/80 75 4 1/8 " 2 1/8 " 29 7/8 " 450 psig 45 lbs $1,036.00
SLHE 100/125 100 5 1/8 " 2 1/8 " 30 7/8 " 360 psig 54 lbs $1,329.00
SLHE 150 150 6 1/8 " 2 5/8 " 30 7/8 " 360 psig 55 lbs $1,375.00
  Results 1 - 20 of 20 1