Appendix A—Model Number Identification Code and Available Options
LPG Horizontal Two Cylinder, Single-stage Compressors
Plain Style
(Single
Packed)
Base Model #
Plain Style
T-Style
HG601AA
HG601BB
THG601AA
THG601BB
Cylinder size
8" x 8"
6" x 6"
8" x 8"
6" x 6"
Weight lbs. (kg.)
1,070 (485)
910 (413)
1,070 (485)
1,010 (458)
Specification Fields
Packing
Arrangement
Plain style only
Standard packing
Standard
NA
O
Purge packing
Optional
NA
P
T-Style only
Pad packing
NA
Standard
G
Crankcase
Style
Standard pressure lube
Standard
NA
Standard
NA
M
Standard pressure lube with heater
Optional
Optional
MH
Valves
Standard valves
Standard
NA
Standard
NA
4
Standard valves with PEEK plates
NA
Standard
NA
Standard
4P
Suction valve unloaders
Optional
NA
Optional
NA
9
Suction valve unloaders with PEEK plates
NA
Optional
NA
Optional
9P
Piston Ring
and Packing
Material
PTFE piston and Alloy 50 packing material
Standard
F
Gasket
Material
Aluminum gaskets
Standard
B
O-ring
Material
Buna-N
Standard
A
Neoprene
®2
No charge option
B
Intercooler
No intercooler
Standard
N
Flywheel
No flywheel supplied
Optional
N
Standard flywheel
Standard
S
Protective
Coating
No coating
Standard
N
Piston Rod
Coating
Nitrotec
®3
Standard
N
Adjustable
Head
None
Standard
N
Adjustable heads on both cylinders
Optional
3
1
For inlet pressures 0 to 15 PSI.
2
Registered trademark of the DuPont company.
3
Registered trademark of TTI Group Ltd.
Model Number
Base X X X X X X X X X X X
40