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APET Series High Pressure Refrigerated Air Dryers
| PRODUCT | TYPE | FLOW | RATING |
|---|---|---|---|
| Refrigerated Air Dryer | High Pressure | 45 to 1,000 SCFM | 725 psig / 120°F inlet |
Specifications
Configuration & Size
Sizes:
45, 65, 80, 125, 200, 260, 415, 570, 860, 1,000 SCFM at 725 psig
At 500 psig:
31, 45, 55, 86, 138, 179, 286, 393, 593, 690 SCFM
Power:
115/1/60 to 200 SCFM, 230/1/60 at 260, 460/3/60 from 415 SCFM
Connections:
1/2 in NPT to 125 SCFM, 1 in NPT from 200 SCFM
Features
- Corrosion-resistant stainless steel tube-in-tube heat exchanger rated for the full 725 psig design pressure
- Moisture separation efficiency above 98 percent at the coldest point of the exchanger
- Initial pressure drop of about 5 psid across the dryer at rated flow
- Air-cooled condenser, so the dryer sits at the blow molder with no water piping
A tube-in-tube exchanger built for 725 psig
Stainless steel where the high-pressure air runs
The APET Series is the high-pressure refrigerated dryer for PET bottle blowing and other systems running between 200 and 725 psig: ten air-cooled sizes rated 45 to 1,000 SCFM at 725 psig, with a second rating published at 500 psig for the 35 bar lines, from 31 to 690 SCFM. The exchanger is a corrosion-resistant stainless steel tube-in-tube built for the pressure, moisture separation runs above 98 percent, and the initial pressure drop is about 5 psid. Connections are 1/2 in NPT through 125 SCFM and 1 in NPT from 200 SCFM, on 115 V, 230 V or 460 V according to size, in NEMA 1 electrical enclosures.
Two ratings for two line pressures. APET-125 is 125 SCFM at 725 psig and 86 SCFM at 500 psig; APET-570 is 570 and 393; A 35 bar line is sized from the 500 psig column, a 40 bar line from the 725 psig column with the difference as margin; 115 V single phase through 200 SCFM, 230 V at 260 SCFM, 460 V three phase on the 415 to 1,000 SCFM units; NEMA 1 electricals, with full-load current from 4.5 A on the smallest to 14.5 A on the APET-200.
Sizing a PET line dryer. A blow molder that draws 250 SCFM at 40 bar takes the APET-260; the same machine on a 35 bar line is sized on the 500 psig column and takes the APET-415; Inlet air above 100°F derates the dryer, so confirm the aftercooler on the high-pressure booster is keeping up; Above 1,000 SCFM the HHPR Series continues the high-pressure range to 2,400 SCFM at 680 psig.
APET Series Part Numbers
| Part Number | SCFM | Connection | Voltage | Power | Dimensions (in) | Weight (lb) |
|---|---|---|---|---|---|---|
| APET-45 | 45 | 1/2 in NPT | 115/1/60 | — | 16 x 16 x 15 | 71 |
| APET-65 | 65 | 1/2 in NPT | 115/1/60 | — | 16 x 16 x 15 | 78 |
| APET-80 | 80 | 1/2 in NPT | 115/1/60 | — | 16 x 16 x 15 | 102 |
| APET-125 | 125 | 1/2 in NPT | 115/1/60 | — | 24 x 18 x 22 | 124 |
| APET-200 | 200 | 1 in NPT | 115/1/60 | — | 36 x 25 x 30 | 162 |
| APET-260 | 260 | 1 in NPT | 230/1/60 | — | 36 x 25 x 30 | 240 |
| APET-415 | 415 | 1 in NPT | 460/3/60 | — | 36 x 25 x 30 | 345 |
| APET-570 | 570 | 1 in NPT | 460/3/60 | — | 34 x 45 x 45 | 567 |
| APET-860 | 860 | 1 in NPT | 460/3/60 | — | 34 x 45 x 45 | 582 |
| APET-1000 | 1,000 | 1 in NPT | 460/3/60 | — | 38 x 54 x 48 | 790 |
Flows are at 725 psig with 100°F inlet and ambient; the 500 psig ratings run from 31 to 690 SCFM across the same ten sizes, and dimensions are the cabinet envelope in inches.
APET Series Applications
Cabinets and connections by size
Five cabinet sizes, from a 71 lb unit to a 790 lb floor cabinet.
The APET-45, -65 and -80 share a 16 x 16 x 15 in cabinet at 71 to 102 lb with 1/2 in NPT connections; the APET-125 is 24 x 18 x 22 in at 124 lb, also on 1/2 in NPT. The APET-200, -260 and -415 share a 36 x 25 x 30 in cabinet at 162 to 345 lb, the APET-570 and -860 are 34 x 45 x 45 in at 567 and 582 lb, and the APET-1000 is 38 x 54 x 48 in at 790 lb; every size from 200 SCFM up connects with 1 in NPT.
One-inch NPT at 725 psig means schedule 80 or heavier pipe and fittings rated for the pressure, so specify the isolation valves and bypass with the dryer. Put a high-pressure-rated prefilter ahead of the unit and an afterfilter behind it, run the drain to a receiver or treatment unit through a line rated for the discharge, and keep the room between 40 and 120°F with the condenser face clear. The small sizes plug into 115 V; the 260 wants a 230 V circuit and the 415 and up a 460 V three-phase feed.
Confirm the cabinet envelope, port position and electrical service for your size with the quote; the outline above shows one cabinet.
Common FAQs
45 to 1,000 SCFM
- Sizes: 45, 65, 80, 125, 200, 260, 415, 570, 860, 1,000 SCFM at 725 psig
- At 500 psig: 31, 45, 55, 86, 138, 179, 286, 393, 593, 690 SCFM
- Power: 115/1/60 to 200 SCFM, 230/1/60 at 260, 460/3/60 from 415 SCFM
- Connections: 1/2 in NPT to 125 SCFM, 1 in NPT from 200 SCFM
- Design pressure: 200 to 725 psig
- Inlet and ambient: 40 to 120°F
- Pressure dew point: 38°F
- Refrigerant: R134a
- Cooling: Air-cooled
