Door spring fits all the following models:

Brema: CB184, CB246, CB249, CB316, CB416, CB425, CB640, CB840, CB955, CB1265, CB1565
Brema: VB250
DC Series: DC20-4, DC25-6, DC30-10, DC35-16, DC45-25, DC55-25, DC70-40, DC100-60, DC130-65, DC155-65
DC Series: DCV105-35
Maidaid: M22-5, M30-10, M34-16, M42-16, M50-25, M65-40, M90-55, M130-65, M155-65
Newscan: NS15, NS22, NS30, NS36, NS55, NS70, NS100, NS140
NTF: SL35, SL50, SL60, SL70, SL90, SL110, SL140, SL180, SL260, SL280, SL350
NTF: CVC230
Parry: PIM20, PIM25, PIM29, PIM34, PIM43, PIM53, PIM68, PIM130, PIM155