Page 25 - Gast Rocking Piston Compressors and Vacuum Pumps

82R Series to
Twin Cylinder Compressors 4.9

CFM

MODEL 82R637 Series MODEL 82R642 Series
30 psi max. pressure 100 psi max. pressure
4.3 CFM open flow (60 Hz) 4.4 CFM open flow (60 Hz)
30 psi max. pressure 100 psi max. pressure
3.8 CFM open flow (BLDC) 3.2 CFM open flow (50 Hz)
MODEL 82R637 Series MODEL 82R645 Series
30 psi max. pressure 30 psi max. pressure
4.7 CFM open flow (60 Hz) 4.9 CFM open flow (60 Hz)
30 psi max. pressure 30 psi max. pressure
4.1 CFM open flow (50 Hz) 4.4 CFM open flow (50 Hz)

Product Dimensions (inches, mm)
AC Unit DC Unit
.71
18.0 3 x 1/4 NPT 4 x .71
18.0
7.22 7.25 APPROX
183.3 184.0
6.45 Ø 5.12 6.59
163.8 Ø 130.0 167.0
Ø 5.12
Ø 130.0
.71 .43 1.75 .42
18.0 10.9 44.4 2 x 3.50 11.0 2 x 8.00
203.0
4 x 1/4-20 3.50 89.0 9.42
TAPPED HOLES 88.9 4 x 1/4-20 2 x .71
9.42 THRU 18.0 239.0
239.3
Product Specifications • Oilless operation
• All wetted aluminum parts treated for corrosion

Model Motor RPM Net Weight protection from moisture
Motor
HP KW

Number Type 60 Hz 50 Hz lb kg • Rugged motor shell construction
82R637-P135-H311CX 115-60-1 PSC 1725 -- 1/3 0.25 17.1 7.8
82R637-P150-H314X 24V PM 2000 1/3 0.25 17.9 8.1 • Recommended Accessories
*82R642-P112-H302CX 230-60-1 PSC 1725 1425 1/3 0.25 17.1 7.8 Pressure gauge AF583
220/240-50-1 PSC 1725 1425 1/3 0.25 17.1 7.8 Relief valve AP202
82R642-P136-H302CX 230-60-1 PSC 1725 1425 1/3 0.25 17.1 7.8 Filter B300A
220/240-50-1 PSC 1725 1425 1/3 0.25 17.1 7.8 Repair kit K797A
82R645-P107-H304X 110-115/230-60-1 PSC 1725 1425 1/3 0.25 17.1 7.8 Capacitors: AT251 (82R637-P135-H311CX)
10/220-50-1 PSC 1725 1425 1/3 0.25 17.1 7.8 AT251B 82R642-P112-H302CX
82R645-P135-H302CX 230-60-1 PSC 1725 1425 1/3 0.25 17.1 7.8 82R642-P136-H302CX
220/240-50-1 PSC 1725 1425 1/3 0.25 17.1 7.8
82R645-P135-H302CX
* Units will start against 50 psi back pressure AT385 (82R645-P107-H304X,
shipped with unit)
Product Performance
3
3
m /h CFM 50 Hz m /h cfm 60 Hz m /h CFM 82R642-P112-H302CX m /h CFM BLDC
3
3
5.0 5.0 5.0 4.0
8.0 82R645-P107-H304X 82R645-P107-H304X 8.0
8.0
(20 PSI MAX) (20 PSI MAX) 6.0
4.0 6.0 4.0 6.0 4.0 60Hz 3.0 82R637-P150-H314X

6.0
FREE AIR FLOW 4.0 3.0 82R645-P135-H302CX FREE AIR FLOW 4.0 3.0 82R645-P135-H302CX FREE AIR FLOW 4.0 3.0 50Hz FREE AIR FLOW 4.0 2.0

(30 PSI MAX)
(30 PSI MAX)
2.0
2.0
2.0
2.0 82R642-P136-H302X 2.0 82R642-P136-H302X 2.0 2.0 1.0
82R637-P135-H311CX
1.0 1.0 1.0
0 0 0 0 0 0 0 0
0 5 10 15 20 25 30 psi 0 5 10 15 20 25 30 psi 0 20 40 60 80 100 psi 0 5 10 15 20 25 30 psi
0 .5 1.0 1.5 2 bar 0 .5 1.0 1.5 2 bar 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 bar 0 .5 1.0 1.5 2 bar
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