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1.Capacity:50t, 2.Lifting height:6-30m, 3.Span:7.5-32m, 4.working duty:A3, 5.trolley crane and lifts with ISO certificate - details see: https://www.machineto.com/high-quality-50ton-double-girder-granite-crane-10100429

High Quality 50Ton Double Girder Granite Crane
Capacity	50t
Lifting height	6~30m
Span length	7.5~32m
Introduction	it is mainly composed of bridge, running gear of crane, electric hoist and electric device, etc
Working environment	1.This product is widely used in plants, warehouses, material stocks to lift goods or materials. 2.It is prohibited to use the equipment in the combustible, explosive to corrosivesenvironment. 3.It is proper working temperature is -25°C to +40°C
Guarantee	1.The whole machines would be guaranteed for one year. 2.All the cranes are equipped with overload protection device, 3.Emergency stop system and so on.
Working grade	A3-A5 according to the use grade and load-up condition.
Operation	wireless/pendant line
cable stype	normally no need to use cable
Motors:	Nanjing Zongchang (Number 1 in China.)
Power supply:	380V/50Hz or as per client's requirement.
Package:	Electric parts are packed in plywood crate, rest are packed by Polyethylene woven bag.
Delivery time:	30 days upon receiving advanced payment.
Port:	Tianjin or Qingdao port
Payment terms	T/T or L/C
Safety feature	1. Limit switch. 2. Overload stop device for hoisting. 3. Long bearing buffer for crane traveling. 4. Power faliure backup.
Electrical equipment	1.This mechanism consists of electric control box,button switch, position-limiter and connecting wires elt. 2.The operation voltage is usually 380V or 36V.So please notify your special required operation voltage when you place the order.Press the button correctly according to the marked direction on the switch and controlthe hoist through the on-and-off of the relays in the control box. 3.The circuit diagrams in this manual should be used together with the attached motor and electrical routes.

Technical parameters:

1.Crane material:Q235,Q345B/Q345D

2.Wheels are vacuum casting by ourselves,intermediate frequency quenching.

3.Wheels,wirerope,drum,gears,coupling are manufactured by our CNC machines.

4.Nanjing special or Nanjing Brand motor,top quality in China.

5.Eletrical equipments:Siemens or Schneider brand.

6.Control method:Cabin control,wireless remote control or pendant control,You can

choose two of them.

Warranty:

1. (One) year guarantee for main body.

2. We provide free maintenances for spare parts, but the new components replaced should be paid.

3. We arrange engineer to supervise installation, make the load test, and do commissioning, train of the buyer's workers.

4. Delivery with English version user manual, parts manual, test certificates, class certificate and all other related documents.

5. Technique support: for any time, any way.

Kind reminder: Pls kindly tell us below parameters when you send inquiry to us,we will

give you our best solution to based on your information:

1.Lifting capacity?

2.Span length?(rail center to rail center)

3.Lifting height?(hook center to ground)

4.Power supply:voltage?

5.Working condition:which material to lift?temperature?

6.Have you installed rails?Do we need to provide you with rails?how long is it?

7.Would be better if you have drawing.

About us

We are specialized in material handling equipment like overhead crane, gantry crane, jib crane and electric hoist. Founded in 1968, we have more than 40 years' experience in manufacturing. In order to offer our high quality products and best crane solution to clients from home and abroad, we are willing to start business with customers from all over the world.