F

Product:
Anti-vibration hanger to be type 30N (Series 30N Spring Hanger), as manufactured by Mason UK Ltd.

Performance:
Hanger must have a minimum static deflection/compression of [VARIABLE DEFLECTION] under the operating load.

Geometry:
Springs to have a minimum additional overload capacity of 50% of the rated deflection/compression before becoming solid.

Housing:
Hanger to include thick LDS rubber elements at the top and a steel spring with steel washer reinforced LDS rubber cup on the bottom.
Spring diameters and hanger box lower hole sizes shall be large enough to permit the hanger rod to swing through a 30° arc from side to side before contacting the cup bushing and short circuiting the spring.

Installation:
Allowance to be made for spring deflection in setting hangers.