Reeling shutter door spring steel strip
GuangWeiYouLiang's reeling shutter spring steel strip, is prestigious on quality, exports to customer overseas in S/N America, East Europe,Africa, Middle East regions for flat spring in reeling shutter door industry, in which customer much more care about Relling shutter door spring steel strip's Elasticity and durable, Our material is competent in this use for over 15 years, Reliable Elasticity and over 30,000 times test(move up and down, hooking a appropriate weight in the bottom), In additional, we also tested the Number of flat spring for a indicated door in workable as below:
Size: 30-80mm on W, 1.20-1.75mm on T,
Application:
Shutter Weight Weight Plus Friction Flat Spring Numbers +size
100KG 120KG 4 + 1.2*60
160KG 192KG 4 + 1.2*60 2 + 1.2*45mm
200KG 240KG 6 + 1.4*60
Shutter spring steel strip
Commonly size posted below for check:
Width Thickness Width Thickness Width Thickness
80mm 1.4mm 55mm 1.2mm 45mm 1.2mm
60mm 1.4mm 55mm 1.0mm 45mm 1.0mm
60mm 1.3mm 50mm 1.4mm 40mm 1.4mm
60mm 1.2mm 50mm 1.3mm 40mm 1.2mm
60mm 1.1mm 50mm 1.2mm 40mm 1.0mm
60mm 1.0mm 50mm 1.1mm 30mm 1.0mm
55mm 1.4mm 45mm 1.4mm
55mm 1.3mm 45mm 1.3mm