Pípù ìsàlẹ̀ ihò kọ́là-síkì àti ìyípo
A fi irin AISI 4145H tàbí irin alloy structure structure ṣe kọ́là náà, tí a ṣe gẹ́gẹ́ bí ìlànà API SPEC 7.
Nínú gbogbo ilana iṣelọpọ ti kola lilu, data idanwo ti idanwo iṣẹ ti ohun kọọkan, lati ibi iṣẹ, itọju ooru si okùn asopọ ati ilana iṣelọpọ miiran, ni a le tọpasẹ.
Wiwa awọn kọlà lilu naa jẹ patapata gẹgẹbi boṣewa API.
Gbogbo awọn okùn ni a maa n lo lati ṣe itọju fosfati tabi fifi bàbà pamọ́ ki wọn le mu ki ipata wọn le lagbara ati lati yago fun ohun ti o n fa pọ ti okùn irin.
Ile-iṣẹ wa le ṣe ilana awọn slips ati awọn iho elevator lori kola lilu gẹgẹ bi awọn ibeere olumulo.
Àwọn Ìlànà Ìmọ̀-ẹ̀rọ:
| Awoṣe okùn ọrùn lu | OD | ID ID | Gígùn mm | ||
| mm | in | mm | in | ||
| NC23-31 | 79.4 | 3-1/8 | 31.8 | 1-1/4 | 9150 |
| NC26-35 | 88.9 | 3-1/2 | 38.1 | 1 1/2 | 9150 |
| NC31-41(2-7/8IF) | 104.8 | 4-1/8 | 50.8 | 2 | 9150 |
| NC35-47 | 120.7 | 4-3/4 | 50.8 | 2 | 9150 |
| NC38-50(3-1/2IF) | 127.0 | 5 | 57.2 | 2-1/4 | 9150 |
| NC44-60 | 152.4 | 6 | 57.2 | 2-1/4 | 9150/9450 |
| NC44-60 | 152.4 | 6 | 71.4 | 2-13/16 | 9150/9450 |
| NC44-62 | 158.8 | 6-1/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-62(IF4) | 158.8 | 6-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-65(IF4) | 165.1 | 6-1/2 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-65(IF4) | 165.1 | 6-1/2 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-67(IF4) | 171.4 | 6-3/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-67(4-1/2IF) | 171.4 | 6-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-72(4-1/2IF) | 184.2 | 7-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-77 | 196.8 | 7-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-80 | 203.2 | 8 | 71.4 | 2-13/16 | 9150/9450 |
| 6-5/8REG | 209.6 | 8-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC61-90 | 228.6 | 9 | 71.4 | 2-13/16 | 9150/9450 |
| 7-5/8REG | 241.3 | 9-1/2 | 76.2 | 3 | 9150/9450 |
| NC70-97 | 247.6 | 9-3/4 | 76.2 | 3 | 9150/9450 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150/9450 |
| 8-5/8REG | 279.4 | 11 | 76.2 | 3 | 9140/9450 |





