Top sub is using for connecting the fire head and perforating gun;Top sub is made of 4140 alloy structural steel with good mechanical properties; 4140 Base type could choose premium material design.
| Sub O.D. | RME Part Number | Thread Type | Pressure Rating | Max. Weight** | |
|---|---|---|---|---|---|
| Upper | Lower | ||||
| 2" | TTS-51-D-1 | 1 11/16"-8 STAC | 1 11/16"-8 STAC | 3.3lb[1.5kg] | |
| 2 7/8" | TTS-73-D-1 | 2 3/8"-6Acme | 12.1lb[5.5kg] | ||
| 3 1/8" | TTS-80-D-1 | 2 3/4"-6Acme | 13.9lb[6.3kg] | ||
| 3 3/8" | TTS-86-D-1 | 2 3/4"-6Acme | 2 13/16"-6Acme | 25000 psi [172Mpa] | 17.6lb[6.5kg] |
| 4 1/2" | TTS-114-D-1 | 3 15/16"-6Acme | 26.4lb[12kg] | ||
| 5” | TTS-127-D-1 | 4.5"-6Acme | 29.1lb[13.2kg] | ||
| 7" | TTS-178-D-1 | 6 1/4"-5Acme | 59.4lb[27kg] | ||
| Selection Chart | ||
|---|---|---|
| Sub O.D. | O-ring Size / upper | O-ring Size / lower |
| 2" | AS-221 3.53×Φ36.09 | AS-221 3.53×Φ36.09 |
| 2 7/8" | AS-230 3.53×Φ63.10 | AS-227 3.53×Φ53.57 |
| 3 1/8" | AS-230 3.53×Φ63.10 | AS-230 3.53×Φ63.10 |
| 3 3/8" | AS-230 3.53×Φ63.10 | AS-231 3.53×Φ66.30 |
| 4 1/2" | AS-230 3.53×Φ63.10 | AS-342 5.33×Φ91.44 |
| 5” | AS-230 3.53×Φ63.10 | AS-346 5.33×Φ104.14 |
| 7" | AS-230 3.53×Φ63.10 | AS-361 5.33×Φ151.77 |
