| |
Vertical LPG Compressor—Material Specifications
| Part |
Standard |
Optional | |
Models
| Material
| Models
| Material
| |
Head, cylinder | All |
Ductile iron ASTM
A536 | | |
Crosshead
guide,
crankcase, flywheel
bearing carrier | All |
Gray iron ASTM
A48, Class 30 | | |
|
Flange | 691 |
Ductile iron ASTM
A536 | 690,
691 | Steel
welding | | D891 |
ASTM A36 carbon
steel | | |
|
Valve seat and bumper | 91,
291, D891 | 17-4
PH Stainless
steel | | |
| 491 |
Ductile iron ASTM
A536 | | |
| 691 |
Gray iron ASTM
A48, Class 30 | | |
|
Valve plate | 91,
291, D891 | 410
Stainless steel | | |
| 491 |
17-7 PH Stainless
steel | | |
| 691 |
Steel, rockwell 50C | | |
|
Valve spring | 91,
291, 691, D891 |
17-7 PH Stainless
steel | | |
| 491 |
Inconel | | |
| Valve
gaskets | All |
Soft aluminum | All | Copper,
iron-lead | |
Piston | All |
Gray iron ASTM
A48, Class 30 | | |
| Piston
rod | All |
C1050 steel nirotec
coated rockwell 60C | All | Chrome
oxide | |
Crosshead | All |
Gray iron ASTM
A48, Class 30 | | |
| Piston
rings | All |
PTFE, glass and
moly filled or alloy
50 | All | Alloy
50 | |
Piston ring expanders | All |
302 Stainless steel | | |
| Head
gasket | All |
O-ring (Buna-N) | All | PTFE,
Viton®1, Neoprene®1 |
Adapter
plate,
packing cartridge,
connecting rod | All |
Ductile iron ASTM
A536 | | |
| Packing
rings | All |
PTFE, glass and
moly filled or alloy
50 | All | Alloy
50 | |
Crankshaft | All |
Ductile iron ASTM
A536 | | |
| Connecting
rod bearing | All |
BiMetal D-2 babbit | | |
| Wrist
pin | All |
C1018 Steel,
rockwell 62C | | |
| Wrist
pin bushing | All |
Bronze SAE 660 | | |
| Main
bearing | All |
Tapered roller | | |
| Inspection
plate | All |
Aluminum | | |
| O-rings | All |
Buna-N | All
| PTFE,
Viton®1, Neoprene®1 |
| Retainer
rings | All |
Steel | | |
| Miscellaneous
gaskets | All |
Coroprene | | |
1Registered trademarks of
the DuPont company. |
Products | LCG PT-Series Pumps
