Square protective shield
D1-Inner Diameter of the small end of the protective sleeve=dmax+10mm
D2- Inner Diameter of the big end of the protective sleeve
D3- Inner Diameter of the big end flange=D2+6~8mm
D4- Outer Diameter of the small end flange=D1-1~2mm
dmax-maximum diameter of the protected parts
Lmin-minimum compression length
Lmax-maximum expansion length
L-maximum length of travel
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