Chain Pulley 90

Part. N° 21.1839

CAD DOWNLOAD ►  3D STEP | Solidworks 2008 | Inventor 2009

APPLICATIONS
- Chain reverse for counterweighted doors made from 90x90 UL, 90x90L or 90x90 2G
- If necessary cover chain exit with End Block Part # 21.1780
- For heavier loads use 21.0920 chain pulley 90 for 08B1 chain.
TECHN. DATA / ITEMS SUPPLIED
- Housing made from 90x90 L
- Chain sprocket, steel (35 teeth), zinc plated, pre assembled in profile
- Qty 1  Gray 90x90 end cap
- Chain length over pulley 105mm (4.125 in)
- Load Max
   (Both sides of sprocket)
- 70 kg
- Weight - .681 kg    
ASSEMBLY
- Fasten using qty. 2, T-Slot bar 90's  Part # 21.1029 (Sold separately)
- Use With Chain Part # 21.1713
- Use with Door Chain Clamping device Part # 21.1712
- Use counter weight 90 in 90x90L or 90x90 2G posts
-Fix counterweight with Fixing Kit For Chain Counterweight Side  Part # 21.1711