| Compressor | Type of Element | Type of HITACHI (Flange) |
|---|---|---|
| 30HP | YH-279 | 3601 4040 |
| 50HP | YH-286 | 3621 4040 |
| OSP 11/15 5A | YH-321 | 3600 4040 |
| Compressor | Type of Element | Type of HITACHI (Through Flow) |
|---|---|---|
| OSP 15 U5A | YH-274 | 3601 2500 |
| OSP 22 U5A | YH-275 | 3111 4040 |
| OSP 37 U5A | YH-276 | 5053 3021 |
| OSP 55 U5A | YH-277 | 2941 4040 |
| OSP 75 U5A | YH-278 | 2961 4040 |
