Mackay Recessed flange isolator, load 690

Mackay Type 40 is a recessed flange isolator with a three-hole flange and a round body. Mackay makes this style for high load capacity combined with relatively large static deflections in the axial direction, using the rubber in both compression and shear.

Two part numbers: M137082 in Duro 60 (690kg) and M137083 in Duro 70 (1080kg). Both show 6.0mm deflection and weigh 1.21kg. The body is 80.4mm high and ø106mm in plan view, with three ø13.5mm fixing holes in the flange. It is supplied with overload and rebound washers.

Where this product is used

• Supporting equipment that needs high load capacity with relatively large static deflections in an axial direction
• Installations where overload and rebound washers control and limit the movement of the suspended equipment under shock loads

Features

• Rubber is used in both compression and shear, which gives high loading for the size
• Supplied with overload and rebound washers
• Overload and rebound washers control and limit movement of the suspended equipment under shock loads
• Central fixing bolt is torque tightened to the recommended value

Key specifications

Choosing the right option

Choose by load first: the Duro 60 part carries 690kg and the Duro 70 part 1080kg, so work out the share of the machine weight each mount carries and pick the part that matches. Check your mounting surface against the three ø13.5mm flange holes, and the 80.4mm height for clearance. The central fixing bolt should be torque tightened to its recommended value. All properties are nominal. Other Mackay recessed flange isolators for a lighter or heavier range are linked below.

Related Mackay products: Mackay Recessed Flange Isolator Type 31, Mackay Recessed Flange Isolator Type 70, Mackay Recessed Flange Isolator 172 x 150 x 100mm.