Cooling Load Sizing

INJECTION MOLDING = 1 LBS/TON

EXTRUSION = 1 LBS/TON

30 lbs/hour HDPE
35 lbs/hour LDPE
35 lbs/hour Acrylic
35 lbs/hour PP
40 lbs/hour Nylon
40 lbs/hour Derlin
40 lbs/hour Urethane
45 lbs/hour PET
50 lbs/hour PS
50 lbs/hour ABS
50 lbs/hour PC
50 lbs/hour Acetal
70 lbs/hour PVC

SHEET CALENDERING

35 lbs/hour PE
60 lbs/hour ABS
60 lbs/hour PS

PROFILE

50 - 60 lbs/hour HDPE
50 - 60 lbs/hour LDPE
50 - 60 lbs/hour PP
50 - 60 lbs/hour PET
60 - 75 lbs/hour ABS
60 - 75 lbs/hour PVC

FEED THROAT:

1/2 ton up to 400 ton injection.
1 ton over 400 ton injection.

Barrel = 1 ton/" screw dia
Screw = 2 tons
Throat = 1/2 ton up to 3"
Throat = 1 ton 4" to 6"
Gear drive = 100 hp/ton
(oil cooling)

BLOW HOLDING = 1 TON

VACUUM FORMING = 1 TON

40 lbs/hour HDPE
40 lbs/hour PET
40 lbs/hour PVC

70 lbs/hour HDPE & LDPE
70 lbs/hour PP
200 lbs/hour PS
250 lbs/hour PVC

HOT RUNNER MOLDS convert heater watts to btu's and divide by 2. (watts x 3.414 divide by 24,000 Btu's)

MOTOR COOLING LOAD FOR PORTABLE CHILLERS

Hydraulic cooling:

8 hp = 1 ton

Vacuum pumps:

8 hp = 1 ton

Air compressors:

8 hp = 1 ton (internal oil cooling).

8 hp = 1 ton (after cooler cooling).

Chilled water flow rate is 2.4 gpm/ton.

Chiller ton is 12,000 Btu's

Chiller operating temperature range with water is from 45° F. to 60° F. leaving water temperature.

Chiller operating temperature range with glycol/water is from 25 F. to 45° F. leaving water temperature.