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We
are the Exclusive Suppliers of Knox Western Gas Compressors, Parts &
Service across Canada. 
Material
Specification |
|
| Crankcase | Grey Iron
class 40 |
| Bearing housing | Gray cast
iron / class 30 |
| Flywheel | Carbon
steel |
| Crankshaft | Ductile
iron / clas 80/55/06 |
| Main bearings | Double
row spherical roller |
| Connecting rods | Ductile
iron / class 60/40/18 |
| Connecting rod bearings | Steel
backed babbit |
| Wrist pin | Alloy
steel / AISI 8602 |
| Wrist pin bearings | Phosphor
'ronze |
| Crossheads | Ductile
iron / class 60/40/18 |
| Crosshead guides | Grey cast
iron / class 30 |
| Piston rods (rolled threads) | Alloy
steel / AISI 4140 |
| Cylinders, low pressure | Grey cast
iron /class 40 |
| Cylinders, medium pressure | Ductile
iron / class 60/40/18 |
| Cylinders, high pressure | Forged
steel |
| Cylinder heads, low pressure | Grey cast
iron / class 40 |
| Cylinder heads, medium pressure | Ductile
iron / class 60/40/18 |
| Cylinder heads, high pressure | Carbon
steel |
| Oil wiper packing | Tinized
cast iron |
| Pressure packing | Non-metallic,
full floating |
| Pistons, low pressure | Aluminum
S A E 355 |
| Pistons, medium pressure | Grey cast
iron / class 30 |
| Pistons, high pressure | Integral
with piston rod |
| pistons compression rings | Reinforced
TFE (see note) |
| Pistons rider rings | Reinforced
TFE (see note) |
| Valve seats and guards | Carbon
steel |
| Valve plates | Stainless
Steel or PEEK |
| Valve springs | Stainless
steel or chrome vanadium |
| Valve covers | Carbon
Steel |
Note: specific TFE blend to be determined per application.