a) Yopangidwa ndi ABS yolimba, imatha kupirira kutentha kuyambira -20℃ mpaka +90℃, yopanda chitsulo.
b) Ikatsekedwa, imaphimba gudumu lamanja ndikuletsa gudumu la valavu kuti lisatembenuzidwe.
c) Kapangidwe ka magawo awiri kakhoza kuphatikizidwa kukhala chimodzi posungira ndi kunyamula zomwe zimachepetsa malo obwezeretsa theka.
d) Landirani maloko awiri, omangika ndi mainchesi 8 mm.
e) Imapezeka m'makulidwe 7 ndi mtundu wofiira, mitundu ina ikhoza kusinthidwa, kupereka chizindikiro cha Chingerezi.
| Gawo Nambala | Kufotokozera | A | B | C |
| SGVL11 | Yoyenera chogwirira cha valavu cha mainchesi 1 mpaka 2 1/2 | 83 | 28 | 19 |
| SGVL12 | Yoyenera chogwirira cha valavu cha mainchesi 2 1/2 mpaka 5 | 136 | 38 | 39 |
| SGVL13 | Yoyenera chogwirira cha valavu cha mainchesi 5 mpaka 6 1/2 | 170 | 50 | 64 |
| SGVL14 | Yoyenera chogwirira cha valavu cha mainchesi 6 1/2 mpaka 10 | 260 | 59 | 85 |
| SGVL15 | Yoyenera chogwirira cha valavu cha mainchesi 10 mpaka 13 | 360 | 76 | 99 |
| SGVL16 | Yoyenera chogwirira cha valavu cha mainchesi 13 mpaka 18 | 460 | 78 | 95 |
| SGVL17 | Yoyenera chogwirira cha valavu cha mainchesi 18 mpaka 25 | 655 | 63 | 135 |

