Feme e fana ka ho toba ka sehokelo sa ho tima mollo sa fektheri e khubelu ea ca
Filosofi ea rona ea khoebo ke ho etsa boleng bo eketsehileng bakeng sa bareki; ho holisa bareki ke mosebetsi oa rona oa ho batla reel ea ho tima mollo ea fektheri e fanang ka thepa ka kotloloho ho tsoa fekthering e khubelu, Re nka boleng bo holimo e le motheo oa katleho ea rona. Kahoo, re tsepamisa maikutlo tlhahisong ea litharollo tse sebetsang hantle ka ho fetisisa tsa boleng bo holimo. Sistimi e tiileng ea taolo ea boleng bo botle e thehiloe ho netefatsa boleng ba lihlahisoa le litharollo.
Ho etsa hore bareki ba be le boleng bo eketsehileng ke filosofi ea rona ea khoebo; ho holisa bareki ke mosebetsi oa rona oa ho batla, Hona joale re rometse litharollo tsa rona kantle ho naha lefatšeng ka bophara, haholo-holo USA le linaha tsa Europe. Ho feta moo, lintho tsohle tsa rona li entsoe ka lisebelisoa tse tsoetseng pele le mekhoa e tiileng ea QC ho netefatsa boleng bo holimo. Haeba u na le thahasello ho efe kapa efe ea litharollo tsa rona, etsa bonnete ba hore u se ke ua tsilatsila ho ikopanya le rona. Re tla leka ka hohle ho fihlela litlhoko tsa hau.
| Boholo | Boitsebiso | OD | WP | BP | Bonyane BR | Boima ba 'mele | Bolelele | ||||
| mm | Senthimithara | mm | mm | Boholo | Mpa | psi | Mpa | Psi | mm | kg/m | m |
| 19 | 3/4″ | 18.6 | 19.8 | 33.2 | 35 | 5075 | 140 | 20300 | 240 | 1.68 | 20/40 |
| 25 | 1″ | 25.0 | 26.4 | 39.8 | 35 | 5075 | 140 | 20300 | 300 | 2.24 | 20/40 |
| 31.5 | 1-1/4″ | 31.4 | 33.0 | 51.3 | 35 | 5075 | 140 | 20300 | 420 | 3.90 | 20/40 |
| 38 | 1-1/2″ | 37.7 | 39.3 | 58.8 | 35 | 5075 | 140 | 20300 | 500 | 4.90 | 20/40 |
| 51 | 2″ | 50.4 | 52.0 | 72.7 | 35 | 5075 | 140 | 20300 | 640 | 6.90 | 20/40 |
