This document discusses electric wire rope hoists and crane components offered by MW Yantra including: hoists from 0.5 to 32 tons capacity in stationary, normal headroom, and low headroom versions. Technical details are provided on double rail trolley models KK10, KK20, and KK32 with capacities from 5 to 32 tons and lifting heights from 6.3 to 25 meters. The document also outlines standard operating conditions, recommended maintenance schedules, and contact information.

1. www.yantra.bg

2.  Electric Wire Rope Hoists with capacity 0.5 t–32 t
 Double Rail Crane Trolleys
 End -carriages
 Hand pallet trucks
 Spare parts for hoists

3. MW Yantra offers electric hoists in the following versions:
Normal
headroom
Stationary
or with double rail
trolley
Low headroom trolley

4. Stationary Type (foot-mounted)
Standard Capacities:
1t-32t
Application:
For double girder cranes (with
double rail trolley). Double
girder cranes are applied when
greater capacity is required and
also for all heavy duty
applications.

5. Low Headroom
Standard Capacities:
1t-10t
Application:
Most common solution for
single girder cranes. Compact
design for maximum space
utilization.

6. Normal Headroom
Standard Capacities:
1t-16t
Application:
For single girder cranes where
space is not an issue. The hoist
operates directly under and
parallel with the crane or
runway beam.
Technical features:
Depending of the lifting height
the trolleys are one or two and
consist of one electric trolley
motor with a planetary gearbox.

7. The hoisting gear consists of modules:
1. planetary reducer
2. rope guide
3. coupling
4. rope drum
5. hoist body
6. electric brake motor
7. hook block

8. Double Rail Trolley type KK10
- Capacity 10 tons
- Reeving 2x1 or 4x1
- Lifting height from 6.3 to 25 m

9. Double Rail Trolley type KK20
-Capacity 20 tons
-Reeving 4x1
-Lifting height 6.3m to 18m

10. Double Rail Trolley type KK32
- Capacity 32 tons
- Reeving 4x1
- Lifting height 6.3m to 18m

11. Double Rail Trolley KK20/5 and KK32/5
- Capacity 32/5 t and 20/5 t
- Reeving 4x1 and 2x1
- Lifting height 9 m

12. Capacity - 1/2/3,2/5 tons.

14. Standard operating conditions for Yantra hoists:
 Temperature range: min. -25°C, max. +40°C;
 Humidity: < 85%;
 Indoor or outdoor use, under a shed at normal fire hazard;
 Altitude above sea level up to 1000 m;
 For normal, tropical and marine environments;
 Three-phase AC power supply 400V/50Hz ± 10% for 2 speed motors;
 Degrees of protection: electric panel IP54, electric motor IP54, control
panel IP56;
 Thermo-protection of lifting motors and emergency “STOP” buttons on
the control panel and load limiter;
Upon customer request:
 Timer for counting working hours;
 Power supply different than 400V/50Hz (415 V, 480 V, 500 V, 60 Hz);
 With latchkey;

15. Recommended periodic maintenance and inspections
Equipment
components
1-st maintenance Periodical inspections Maintenance
3 months 12 months Daily Weekly Monthly every
Inspection of rope
and fasteners
X X 6 months
Limit switch function X X 6 months
Load limiter X X 1 year
Hook condition X X 1 year
Reducer function X X 1 year
Brake function X X 6 months
Brake adjustment X 6 months
Inspection of
wheels/gaskets/beari
ngs
X 1 year
Stopper condition X 1 year
Inspection of el.
equipment
X X 1 year
Push button X X 3 months
Fastening bolts X 6 months

16. Donika Koleva
Sales
+359 885 003 014
donika.koleva@nbi.bg
www.yantra.bg