Tension Weights

Rail Mounted Tension Weights

The R4 tension weight is supplied with a 25kg weight. We would recommend using a lockdown kit (SK8) when using this tension weight in conjuncture with VG safety gears.

This tension weight is available for use with 200mm, 300mm and 315mm pulleys as stock items, although other versions can be sourced on request.

Atwell Product Code: R4-TW-200
Manufacturer Product Code: 8024220122

Atwell Product Code: R4-TW-200-SK8
Manufacturer Product Code: N/A

Atwell Product Code: R4-TW-300
Manufacturer Product Code: 8024230122

Atwell Product Code: R4-TW-300-SK8
Manufacturer Product Code: N/A

Atwell Product Code: R4-TW-315
Manufacturer Product Code: 8024231622

Atwell Product Code: R4-TW-315-SK8
Manufacturer Product Code: N/A

Pit Mounted Tension Weights

The R4V tension weight can be supplied with either a 30kg, 60kg or 104kg weight, taking the total weight to 41kg, 71kg or 115kg respectively.

This tension weight is available for use with 200mm, 250mm, 300mm and 315mm pulleys.

Atwell Product Code: R4-V-TW-200
Manufacturer Product Code: 8024220961

Atwell Product Code: R4-V-TW-250
Manufacturer Product Code: 8024225961

Atwell Product Code: R4-V-TW-300
Manufacturer Product Code: 8024230961

Atwell Product Code: R4-V-TW-315
Manufacturer Product Code: 8024231961

Rail Mounted

The tension weight is attached to the lift guide rail by means of a plate and three flanges, the pulley and the counterweight being suspended from this plate. The electric safety device is also attached to the plate at the bottom, and this will be activated in the event of the overspeed governor cable breaking or loosening.

The fastening plate has a number of slots to allow the necessary distance between the cable and the guide axis to be regulated, and also to fasten it to guides of various widths.

All tension weights have rope out protection and protection against stray objects regardless of being for overspeed governors with tripping in descent or bi-directional.

Pit Mounted

The spring pit mounted tension weight is designed for the activation of safety gears in both ascent and descent. The overspeed governor rope is tensed by the pulley’s two springs.

Cast Iron FG 25 pulley with two ball bearings, the pully includes ropeout protection and protection from stray objects. An electrical contact dwitch prevents the breaking or weakening of the governor rope.

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