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	Basic Open Chain hoist på engelska	Open chain hoist with safety brake på engelska	Closed hoist or redundant chain på engelska	MotoSuiveur®-secured hoist på engelska
Översikt
Säkerhetsdesignåtgärder	Very Limited Safeguards Motor service brake	Safeguards Mechanical load brakes, Redundant braking systems, Overload protection devices, Limit switches	Safeguards Partially Inherently Safe Design Dual load paths, Redundant braking systems, Multiple limit switches and overload detection	Inherently Safe Design Positive Mechanical Action at the Drum, Safety Decoupled from Operation
Fördelar		✓ ✓ ✓ Relatively compact ✓ ✓ ✓ Retrofittable (under conditions)	✓ ✓ ✓ Single failure proof ✓ ✓ ✓ Short arrest distances thanks to important inertia ✓ ✓ ✓ Load recovery possible	✓ ✓ ✓ Instant arrest, Shortest arrest distance ✓ ✓ ✓ Solves human error ✓ ✓ ✓ Overload protection ✓ ✓ ✓ Safe load recovery ✓ ✓ ✓ Compact, Sealed ✓ ✓ ✓ Retrofittable ✓ ✓ ✓ No wear parts
Nackdelar		✕ Uncertain state of the brake, may not close properly ✕ Highly susceptible to wear and the environment ✕ May create severe overstress, fatigue ✕ Safety depends on complex electronics, maintenance ✕ ~2 meters low-approach zone	✕ Common failure modes of 2 identical transmissions ✕ Congestion, weight ✕ Not retrofittable ✕ Price
Säkerhet
Elektriskt fel	Load drop	150 - 300 mm load arrest distance	100 - 200 mm load arrest distance	20 - 50 mm load arrest distance
Mekaniskt fel	Load drop	500 - 2000 mm load arrest distance	30 - 60 mm load arrest distance	20 - 50 mm load arrest distance
Lasthängning	Load drop	Load Cell and electronic detection of the overload	Load Cell and electronic detection of the overload	✓ Torque limiter
Dubbelblockering	Load drop	Switch overtravel for Upper-Limit Switch	Switch overtravel for Upper-Limit Switch	✓ Torque limiter
Överhastighet	✕	Electronic measurement and detection	~ Electronic measurement and detection	✓ Intrinsic passive function
Lastdrift	✕	Electronic measurement and detection	~ Electronic measurement and detection	✓ Intrinsic passive function
Tillförlitlighet
Brustdetektering	✕	~ Numerous encoders, Complex electronics (SIL, PL), Demanding maintenance	~ Numerous encoders, Complex electronics (SIL, PL), Demanding maintenance	✓ Intrinsic passive function
Överbelastningsdetektering	✕	~ Electronic system, reaction time	~ Electronic system, reaction time	✓ Intrinsic passive function, 0 delay
Mekanisk tillförlitlighet	Possible failure, a brake may remain open	Possible failure, a brake may remain open	Possible failure, a brake may remain open ✓ Mitigated by brake redundancy	✓ Impossible failure (positive action)
Bromsmoment	Depends on many factors and the environment	Depends on many factors and the environment	Depends on many factors and the environment	Stable, impervious to the environment
Underhåll
Bromskontrollerad gravitationssänkning	Significant risks	Complex operation, significant risks	✕ Complex operation, significant risks	✓ Simple and safe
Återställningsoperation	✕	Impossible in case of breakage	✓ Always possible	✓ Always possible, Remote operation
Testning	No (Basic verifications)	Difficult to ensure the proper functioning of securities	Difficult to ensure the proper functioning of securities	✓ Simple and safe
Slitdelar	Linings, discs	Linings, discs	Linings, discs	✓ No wear parts
Installation
Dimensioner och massa
Inköpspris
Total ägandekostnad

Basic Open Chain hoist

på engelska

MotoSuiveur®-secured hoist

på engelska

Översikt

Säkerhetsdesignåtgärder

Very Limited Safeguards

Motor service brake

Inherently Safe Design

Positive Mechanical Action at the Drum, Safety Decoupled from Operation

Fördelar

✓ ✓ ✓ Instant arrest,
Shortest arrest distance

✓ ✓ ✓ Solves human error

✓ ✓ ✓ Overload protection

✓ ✓ ✓ Safe load recovery

✓ ✓ ✓ Compact, Sealed

✓ ✓ ✓ Retrofittable

✓ ✓ ✓ No wear parts

Nackdelar

Säkerhet

Elektriskt fel

Load drop

20 - 50 mm
load arrest distance

Mekaniskt fel

Load drop

20 - 50 mm
load arrest distance

Lasthängning

Load drop

✓ Torque limiter

Dubbelblockering

Load drop

✓ Torque limiter

Överhastighet

✓ Intrinsic passive function

Lastdrift

✓ Intrinsic passive function

Tillförlitlighet

Brustdetektering

✓ Intrinsic passive function

Överbelastningsdetektering

✓ Intrinsic passive function, 0 delay

Mekanisk tillförlitlighet

Possible failure, a brake may remain open

✓ Impossible failure (positive action)

Bromsmoment

Depends on many factors and the environment

Stable, impervious to the environment

Underhåll

Bromskontrollerad gravitationssänkning

Significant risks

✓ Simple and safe

Återställningsoperation

✓ Always possible, Remote operation

Testning

No (Basic verifications)

✓ Simple and safe

Slitdelar

Linings, discs

✓ No wear parts

Installation

Dimensioner och massa

Inköpspris

Total ägandekostnad

Open chain hoist with safety brake

på engelska

MotoSuiveur®-secured hoist

på engelska

Översikt

Säkerhetsdesignåtgärder

Safeguards

Mechanical load brakes, Redundant braking systems, Overload protection devices, Limit switches

Inherently Safe Design

Positive Mechanical Action at the Drum, Safety Decoupled from Operation

Fördelar

✓ ✓ ✓ Relatively compact

✓ ✓ ✓ Retrofittable (under conditions)

✓ ✓ ✓ Instant arrest,
Shortest arrest distance

✓ ✓ ✓ Solves human error

✓ ✓ ✓ Overload protection

✓ ✓ ✓ Safe load recovery

✓ ✓ ✓ Compact, Sealed

✓ ✓ ✓ Retrofittable

✓ ✓ ✓ No wear parts

Nackdelar

✕ Uncertain state of the brake, may not close properly

✕ Highly susceptible to wear and the environment

✕ May create severe overstress, fatigue

✕ Safety depends on complex electronics, maintenance

✕ ~2 meters low-approach zone

Säkerhet

Elektriskt fel

150 - 300 mm
load arrest distance

20 - 50 mm
load arrest distance

Mekaniskt fel

500 - 2000 mm
load arrest distance

20 - 50 mm
load arrest distance

Lasthängning

Load Cell and electronic detection of the overload

✓ Torque limiter

Dubbelblockering

Switch overtravel for Upper-Limit Switch

✓ Torque limiter

Överhastighet

Electronic measurement and detection

✓ Intrinsic passive function

Lastdrift

Electronic measurement and detection

✓ Intrinsic passive function

Tillförlitlighet

Brustdetektering

~ Numerous encoders,
Complex electronics (SIL, PL),
Demanding maintenance

✓ Intrinsic passive function

Överbelastningsdetektering

~ Electronic system, reaction time

✓ Intrinsic passive function, 0 delay

Mekanisk tillförlitlighet

Possible failure, a brake may remain open

✓ Impossible failure (positive action)

Bromsmoment

Depends on many factors and the environment

Stable, impervious to the environment

Underhåll

Bromskontrollerad gravitationssänkning

Complex operation, significant risks

✓ Simple and safe

Återställningsoperation

Impossible in case of breakage

✓ Always possible, Remote operation

Testning

Difficult to ensure the proper functioning of securities

✓ Simple and safe

Slitdelar

Linings, discs

✓ No wear parts

Installation

Dimensioner och massa

Inköpspris

Total ägandekostnad

Closed hoist or redundant chain

på engelska

MotoSuiveur®-secured hoist

på engelska

Översikt

Säkerhetsdesignåtgärder

Safeguards

Partially Inherently Safe Design

Dual load paths, Redundant braking systems, Multiple limit switches and overload detection

Inherently Safe Design

Positive Mechanical Action at the Drum, Safety Decoupled from Operation

Fördelar

✓ ✓ ✓ Single failure proof

✓ ✓ ✓ Short arrest distances thanks to important inertia

✓ ✓ ✓ Load recovery possible

✓ ✓ ✓ Instant arrest,
Shortest arrest distance

✓ ✓ ✓ Solves human error

✓ ✓ ✓ Overload protection

✓ ✓ ✓ Safe load recovery

✓ ✓ ✓ Compact, Sealed

✓ ✓ ✓ Retrofittable

✓ ✓ ✓ No wear parts

Nackdelar

✕ Common failure modes of 2 identical transmissions

✕ Congestion, weight

✕ Not retrofittable

✕ Price

Säkerhet

Elektriskt fel

100 - 200 mm
load arrest distance

20 - 50 mm
load arrest distance

Mekaniskt fel

30 - 60 mm
load arrest distance

20 - 50 mm
load arrest distance

Lasthängning

Load Cell and electronic detection of the overload

✓ Torque limiter

Dubbelblockering

Switch overtravel for Upper-Limit Switch

✓ Torque limiter

Överhastighet

~ Electronic measurement and detection

✓ Intrinsic passive function

Lastdrift

~ Electronic measurement and detection

✓ Intrinsic passive function

Tillförlitlighet

Brustdetektering

~ Numerous encoders,
Complex electronics (SIL, PL),
Demanding maintenance

✓ Intrinsic passive function

Överbelastningsdetektering

~ Electronic system, reaction time

✓ Intrinsic passive function, 0 delay

Mekanisk tillförlitlighet

Possible failure, a brake may remain open
✓ Mitigated by brake redundancy

✓ Impossible failure (positive action)

Bromsmoment

Depends on many factors and the environment

Stable, impervious to the environment

Underhåll

Bromskontrollerad gravitationssänkning

✕ Complex operation, significant risks

✓ Simple and safe

Återställningsoperation

✓ Always possible

✓ Always possible, Remote operation

Testning

Difficult to ensure the proper functioning of securities

✓ Simple and safe

Slitdelar

Linings, discs

✓ No wear parts

Installation

Dimensioner och massa

Inköpspris

Total ägandekostnad

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