The Beaver 3S industrual chain lever block mechanism and gears are enclosed in a robust all-steel compact shell. The load chain is made of high resistance Grade 80 alloy steel that has a black finish, is heat treated, and is calibrated and marked according to ISO 3077 and ISO 1834. Beaver ‘ID’ plates and rivets are supplied in stainless steel (a non-conductive material) in order to avoid dangerous sparking, making them ideal for underground mining.
Rated Capacity | Colour Code | Standard Lift | Test Load | Effort on Lever to Lift Full Load | No. Load Chain Falls | Load Chain Diameter |
0.25t | Grey | 1.5m | 4.9kN | 210N | 1 | 4mm |
0.5t | Grey | 1.5m | 9.8kN | 320N | 1 | 4mm |
0.8t | White | 1.5m | 11.3kN | 140N | 1 | 6mm x 16mm |
1.6t | Violet | 1.5m | 22.5kN | 240N | 1 | 8mm x 24mm |
3.2t | Yellow | 1.5m | 45kN | 320N | 1 | 10mm x 30mm |
6.3t | Brown | 1.5m | 1.5kN | 340N | 2 | 10mm x 30mm |
Every Beaver 3S industrial level block is operationally tested to its rated capacity and is supplied wtih a test certificate, relating to its stamped identification side plate. This lever block comlpies to AS 1418.2 and approved Colour Coded to Match International Lifting Standard.
Rated Capacity | A | B | C | D | E | H | Net Weight |
0.25t | 87mm | 55.5mm | 68mm | 145mm | 21mm | 200mm | 1.5kg |
0.5t | 100.5mm | 62.5mm | 81mm | 160mm | 24.5mm | 250mm | 2.5kg |
0.8t | 148mm | 90mm | 136mm | 280mm | 30mm | 325mm | 7kg |
1.6t | 172mm | 98mm | 160mm | 410mm | 35mm | 380mm | 11kg |
3.2t | 200mm | 115mm | 180mm | 410mm | 40mm | 480mm | 21kg |
6.3t | 200mm | 115mm | 235mm | 410mm | 50mm | 620mm | 31kg |