
Beddelaha Catalyst-ka Birta ah waa qalabka nadiifinta dibadda ugu muhiimsan ee lagu rakibay nidaamka qiiqa baabuurta. Waxay u rogi kartaa gaasaska waxyeelada leh sida kaarboon monoksaydh, hydrocarbons iyo kaarboon oksaydhyada laga soo saaro qiiqa baabuurta kuwo aan waxyeello lahayn iyada oo loo marayo isku-dhafka oksijiinta iyo yaraynta kaarboon laba ogsaydh, biyo iyo naytarojiin.
| Qaab | Cabbirka qolofka (mm) | Cabbirka xudunta (mm) | Cufnaanta unugyada (CPSI) |
| Qulqulka | Φ 30 × 22 | Φ 28×20 | 100/200/300/400 |
| Qulqulka | Φ 35×20 | Φ 33×20 | 100/200/300/400 |
| Qulqulka | Φ 35×30 | Φ 33×30 | 100/200/300/400 |
| Qulqulka | Φ 35×40 | Φ 33×40 | 100/200/300/400 |
| Qulqulka | Φ 35×50 | Φ 33×50 | 100/200/300/400 |
| Qulqulka | Φ 35×60 | Φ 33×60 | 100/200/300/400 |
| Qulqulka | Φ35 × 70/100/130 | Φ33 × 60/90/120 | 100/200/300/400 |
| Qulqulka | Φ42 × 70/100/130 | Φ40 × 60/90/120 | 100/200/300/400 |
| Qulqulka | Φ45 × 70/100/130 | Φ43 × 60/90/120 | 100/200/300/400 |
| Qulqulka | Φ63,5 × 85/100/130 | Φ60,5 × 74,5/90/120 | 200/300/400 |
| Qulqulka | Φ73 × 70/100/130 L | Φ70 × 60/90/120 | 200/300/400 |
| Qulqulka | Φ93 × 70/100/130 | Φ90 × 60/90/120 | 200/300/400 |
| Qulqulka | Φ100,3 × 100/130 | Φ98,3 × 90/120 | 600 |
| Qulqulka | Φ144 × 150/152,4 | Φ142 × 140/142,4 | 200/300/400 |
| Qulqulka | Φ190 × 200 | Φ188 × 190 | 200/300/400 |
| Qulqulka | Φ420 × 100/130 | Φ416 × 90/120 | 300/400 |
| Tartanka orodka | 123×63×85 | 120×60×75 | 200/300 |
| Tartanka orodka | 123 × 63 × 100 | 120×60×90 | 200/300 |
| Tartanka orodka | 78,5×52×104 | 76,5×50×90 | 200/300 |
| Heerka qiiqa | Euro2, Euro3, Euro4, Euro5, Euro6; EPA iyo CARB | ||
| U hoggaansanaanta mishiinka | matoorada shidaalka, matoorada naaftada iyo matoorada dhaliya | ||
| Waxyaabaha firfircoon ee kiciyaha | Pt, Pd, Rh, iyo walxaha dhulka naadirka ah | ||
| Walxaha substrate-ka | bir ah (FeCrAL) | ||
Marka la barbardhigo substrate-ka dhoobada ah, substrate-ka birta ah wuxuu leeyahay faa'iidooyin badan:
1. Gudbinta kulaylka oo wanaagsan, kululayn degdeg ah.
2. Hoos u dhig cadaadiska dhabarka.
3. Meel weyn oo wax ku ool ah.
4. Awood weyn oo katalytik ah.
5. Naqshad yar oo dabacsan.
6. Darbi khafiif ah.
7. Awood farsamo oo sareysa.
8. Iska caabin wanaagsan oo ku wajahan shoogga kulaylka iyo iska caabinta daalka kulaylka.
9. Cimri dheer oo adeeg ah.
1. Substrate bir ah oo wareegsan iyo mid Oval ah oo loogu talagalay baabuurta wadada ku jirta.
2. Substrate bir ah oo loogu talagalay matoorka yar.
3. Substrate bir ah oo loogu talagalay baabuurta ka baxsan wadada.
4. Substrate bir ah oo loogu talagalay kicinta warshadaha.
5. Qaab-dhismeed gaar ah oo bir ah oo loogu talagalay codsiyada kale.