Safety and insulation springs for standard shutters

1) only for small shutters up to  90 x 90 cm
2) spring as suspension only (no locking device)

 

1) only for small shutters up to  90 x 90 cm
2) spring as suspension only (no locking device)

Special springs with slide-on brackets version U

  • width of steel: 20mm
  • for PVC-, extruded and alu-foamed slats

For bad accessible boxes or boxes w.o. inspection opening.

The shutter can be attached and detached without lateral movement!

2) spring as suspension only (no locking device)

 

Special design for above springs

A 1   without suspension, welded   diameter i=4mm

A 2   same   diameter i=7,5mm

 

 

 

B 1   suspension, open, with rivet hole              diameter i=4mm

B 2   same   diameter i=7,5mm

 

C 1   without suspension, open, without rivet hole             diameter i=4mm

C 2   same   diameter i=7,5mm
 

 

 

D   with suspension for chain-connected shutters

 

 

 

 

E   with fixation for screwing

 

 

 

 

H   with double-hook suspension Alu