Roller TubeDiameter : 30mm,40mm,48mm,60mm,80mm,100mm,130mm,160mm Spring Motor (Spring Operation)8 types for MRS30 7 types for MRS40 6 types for MRS60/80 is available to cover a wide range of Roller Blind size. Spring Booster (Chain Operation)7 types for MRS30 7 types for MRS40 8 types for MRS60/80 is available to cover a wide range of Roller Blind size. Limit BrakeSpeed Deceralation for Spring Operation To control screen rising speed. Pre-Set upper stop position Rising screen stops at the same upper stop position every time and adjusts it easily. Reduction Gear1 : 3 Gear Ratio for MRS30 1 : 5 Gear Ratio for MRS40 1 : 3.74 and 1 : 14 Gear Ratio for MRS60/80 is available to get light and smooth chain operation. BracketJoint Bracket for MRS40 and MRS60/80 Angle Bracket for MRS60/80 is available to link several Roller Blinds with one operation. |