Overspeed Governors

Type 9

The Bode range of overspeed governors operate according to the pendulum principle: when the rated speed is exceeded, the pulley over which the governor rope runs locks. The friction occurring between the locked rope pulley and the governor rope (tractive force) is transmitted to the safety catch, causing it to engage.

The overspeed governor is considered a safety component, and is therefore subject to a testing process that complies with the requirements EN81-20/50:2014.

The Type 9 governor has a 300mm diameter pulley, test groove and hardened groove. To suit a trip speed of 0.50m/s – 0.70m/s.

Atwell Product Code: TYPE-9-GOV-*.** (asteriks determine governor trip speed, i.e. 0.50 or 0.65 etc.)
Manufacturer Product Code: EU-OG 084
Product: Type 9 Overspeed Governor

Type 8

The Bode range of overspeed governors operate according to the pendulum principle: when the rated speed is exceeded, the pulley over which the governor rope runs locks. The friction occurring between the locked rope pulley and the governor rope (tractive force) is transmitted to the safety catch, causing it to engage.

The overspeed governor is considered a safety component, and is therefore subject to a testing process that complies with the requirements EN81-20/50:2014.

The Type 8 governor has a 200mm diameter pulley, test groove and hardened groove. To suit a trip speed of 0.50m/s – 2.04m/s.

Atwell Product Code: TYPE-8-GOV-*.** (asteriks determine governor trip speed, i.e. 0.65 or 1.30 etc.)
Manufacturer Product Code: EU-OG 069
Product: Type 8 Overspeed Governor

Type 7

The Bode range of overspeed governors operate according to the pendulum principle: when the rated speed is exceeded, the pulley over which the governor rope runs locks. The friction occurring between the locked rope pulley and the governor rope (tractive force) is transmitted to the safety catch, causing it to engage.

The overspeed governor is considered a safety component, and is therefore subject to a testing process that complies with the requirements EN81-20/50:2014.

The Type 7 governor has a 300mm diameter pulley, test groove and hardened groove. To suit a trip speed of 0.70m/s – 3.43m/s.

Atwell Product Code: TYPE-7-GOV-*.** (asteriks determine governor trip speed, i.e. 0.65 or 1.30 etc.)
Manufacturer Product Code: EU-OG 068
Product: Type 7 Overspeed Governor

R12

The R12 Overspeed Governor from PFB is a drop-jaw type governor with a 345mm pulley. This downward operating governor is available in clockwise and anti-clockwise versions, and is suitable for use with 8mm – 10mm rope (please advise rope diameter when ordering).

The R12 governor can accomodate tripping speeds from 1.00m/s – 5.06m/s.

R10

The R10 Overspeed Governor from PFB is a drop-jaw type governor with a 315mm pulley. This downward operating governor is available in clockwise and anti-clockwise versions, and is suitable for use with 8mm – 10mm rope (please advise rope diameter when ordering).

The R10 governor can accomodate tripping speeds from 0.50m/s – 2.70m/s.

LK300

The bi-directional LK Overspeed Governor from PFB is available in 5 different sizes with pulleys of 120mm, 200mm, 250mm, 300mm & 315mm.

Each version of the LK range, i.e. LK-300, can be enhanced with the following options:

Test Groove (supplied as standard when purchased through Atwell)
Remote Control
Encoder
Rope Safety Guard
Inverted for ceiling mounting
With LSP device for unintended movement protection.

LK governors can be used with 4 – 10mm rope across the range, and have tripping speeds from 0.28m/s – 3.37m/s.

VG Overspeed Governor

The VG Overspeed Governor is designed to be installed with new lifts and retro fitted to existing passenger and goods lifts, and when used in conjunction with other VG safety products will provide a complete solution to the requirements of EN81-20/50:2014.

The VG OSG connects to the main lift control panel via its own specific control box, VG OSG-CB01. From here, it can receive power and signals to tell if the lift doors are open, the state of the main motor contactor and the condition of the main safety circuit. The control box also has an internal battery backup system in case of power loss.

The governor incorporates a drop jaw mechanism which is monitored by electronic sensors and operates by releasing a 12v DC electro-magnet, which subesquently releases a drop weight that causes the jaw to drop and clamp the governor rope.

The governor is reset via the VG OSG-CB01 Control Box, where an actuator pushes the drop weight back in to its starting position, where it is again held by the electro-magnet.

Zeus

These overspeed governors are valid for activating instantaneous safety gears with rollers, instantaneous with shock absorber effect and progressives. There is the possibility of installation as overspeed governor (traditional overspeed governor) and/or for fulfillment of +A3 amendment of regulation N81:1/2:1998+A3:2009. As an overspeed governor for the installation of remote tripping at 24VDC (1A), 48 VDC(0,5A) and 230 VAC (0,15A).

For the traditional overspeed governor installed for +A3 the tripping mechanism will be 24 VDC (1,9A.), removing supply from the coil.

This overspeed governor can be installed on the left and the right of the guide rail without needing to be rotated and without any change in the design. Either direction of the pulley rotation can be used as direction of the activation in descent.

Goliath

These overspeed governors aactivate on opening their levers, by the effect of centrifugal force, when there is an overspeed of the car in both ascent and descent.

The roller rotates in the same direction as the lift moves until it touches the blocking disc and is braked between this disc and the wedge of the pulley, producing the mechanical tripping of the overspeed governor. This system allows infinate tripping points because they happen on any position of the roller surrounding the disc.

These overspeed governors are valid for activating instantaneous safety gears with rollers, instantaneous with shock absorption effect and progressives.

Europa

These overspeed governors are set in motion when the levers open by centrifugal force, both in ascent and descent, when the cabin overspeeds. The locking device for overspeeding is created by the centrifugal forcé which opens the levers pushing them towards a roller in the centre of the pulley where a solid, fixed locking device connects with the axis of the pulley via a wedge.

The roller revolves in the same direction as the lift until it touches the disc of the locking device and is stopped between the disc and the wedge of th pulley, thus producing the mechanical locking of the oberspeed governor. This system allows infinite locking points as they can be produced in any part of the roller around the disc. These overspeed governor are valid for setting off instantaneous grip gears with rollers, which are instantaneous with a cushioning and progressive effect.

ALJO

Product Description: This Overspeed governor is exactly to model 2129 and 2130 of ELECTROMECANICAS ALJO, S.L. certified by ATISAE with certifícate number ATI/LD-VA/M0011A/03 and ATI/LD-VA/M119/01 respectively and referenced ALJO 2129 and 2130 de COMERCIAL DE MAQUINARIA, S.L. (COMAQ) certified by ATISAE with certifícate number ATI/LDVA/M168A-1/08 and ATI/LD-VA/M169A-1/08 respectively. It can be used consequently when the aforementioned device is replaced.

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