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Nozzle Selection
Model BMA Air Defrost
Model
No. of
Fans
Distributor Tube (in.)
No. of Circuits
R-404A*
Nozzle
R-22
Nozzle
OD Length
BMA130 1 3/16 21-1/2 3 L-1 L-3/4
BMA155 1 3/16 21-1/2 5 L-1 L-3/4
BMA245 2 3/16 21-1/2 9 G-2-1/2 G-1-1/2
BMA300 2 3/16 21-1/2 9 G-2-1/2 G-1-1/2
BMA365 3 3/16 21-1/2 9 G-3 G-2
BMA450 3 3/16 21-1/2 12 E-4 E-2-1/2
BMA510 4 3/16 21-1/2 13 E-5 E-3
BMA600 4 3/16 21-1/2 18 E-5 E-3
BMA710 5 3/16 21-1/2 18 E-6 E-4
Model BME/BML Electric Defrost
Model
No. of
Fans
Distributor Tube (in.)
No. of
Circuits
R-404A*
Nozzle
R-22
Nozzle
OD Length
6 Fins Per Inch
BME101 1 3/16 21-1/2 5 L-1-1/2 L-3/4
BME140 1 3/16 21-1/2 6 L-1-1/2 L-1
BME190 2 3/16 21-1/2 9 G-2-1/2 G-1-1/2
BME260 2 3/16 21-1/2 12 E-3 E-2
BME310 3 3/16 21-1/2 13 E-4 E-2-1/2
BME390 3 3/16 21-1/2 18 E-5 E-3
BME430 4 3/16 21-1/2 12 E-5 E-3
BME520 4 3/16 21-1/2 17 E-6 E-4
BME620 5 3/16 21-1/2 17 E-8 E-5
4 Fins Per Inch
BML100 1 3/16 21-1/2 6 L-1-1/2 L-1
BML165 2 3/16 21-1/2 9 G-2-1/2 G-1-1/2
BML220 2 3/16 21-1/2 12 E-3 E-2
BML250 3 3/16 21-1/2 13 E-4 E-2-1/2
BML330 3 3/16 21-1/2 18 E-5 E-3
BML370 4 3/16 21-1/2 12 E-5 E-3
BML440 4 3/16 21-1/2 17 E-6 E-4
BML530 5 3/16 21-1/2 17 E-8 E-5
Model BMG/BMF Hot Gas Defrost
Model
No. of
Fans
Distributor Tube (in.)
No. of
Circuits
R-404A*
Nozzle
R-22
Nozzle
OD Length
6 Fins Per Inch
BMG190 2 1/4 21-1/2 9 E-3 E-1-1/2
BMG260 2 1/4 21-1/2 12 E-4 E-2-1/2
BMG310 3 3/16 21-1/2 13 E-4 E-2-1/2
BMG390 3 3/16 21-1/2 18 E-5 E-3
BMG430 4 3/16 21-1/2 13 E-5 E-3
BMG520 4 3/16 21-1/2 18 E-6 E-4
6 Fins Per Inch
BMF165 2 1/4 21-1/2 9 E-3 E-1-1/2
BMF220 2 1/4 21-1/2 12 E-4 E-2-1/2
BMF250 3 3/16 21-1/2 13 E-4 E-2-1/2
BMF330 3 3/16 21-1/2 18 E-5 E-3
BMF370 4 3/16 21-1/2 13 E-5 E-3
BMF440 4 3/16 21-1/2 18 E-6 E-4
*Also suitable for R-507, R-502, R-134A, R-401A, R-402A
Nozzles sized for 90° - 100°F liquid temp. at expansion valve. Refer to manual H-IM-64 if liquid temp. is not 90° - 100°F
Consult Bohn Application Engineering if evaporator TD is not 10° - 15ºF, (room temp. - saturated suction temp.)
Caution: Refrigeration system will not perform properly without Correct Nozzle!