Astaamaha alaabta
1. Garaafka labada dhinacba wuxuu ka dhigayaa dhammaan godadka isbarbardhigga iyadoo loo eegayo heerka isku xirka, taas oo fudud in la rakibo.
2. Shafka waalka iyo albaabka waxa lagu xidhi karaa biin taper ah, biibiile ama biin la'aan si loo xaqiijiyo furitaanka iyo xidhidhiyaha.
3. Kursiga waalka ee isku dhafan wuxuu ka kooban yahay PTFE, caag synthetic iyo resin phenolic, kaas oo leh barti wanaagsan, xoog sare iyo wax qabad wanaagsan.
4. Saxanka balanbaalista ayaa si buuxda loogu daboolay PTFE, kaas oo leh sifooyin iskudhaf ah oo hooseeya, ma fududa in la xidho, ma fududa gabow, iyo adeeg dheer.
Alaabta Waaweyn
| Magaca qaybta | Magaca alaabta |
| jirka waalka | Birta shubka ah, birta ductile, birta shubka ah, birta aan fiicnayn |
| saxan Valve | Birta Ductile, Alloy Copper, Steel steel |
| jiridda waalka | Birta 2Cr13 iyo 45 |
| kursiga valve | Xiro caagga iska caabinta, NBR |
| kow iyo toban hall | NBR O-barkinta, iwm. |
Jadwalka cabbirka ugu weyn ee heerka qaranka (PN16)