Cmaa/Fem Standard ISO/CE Certificated 10-100t Double Girder Gantry Crane

Product Description

Cmaa/Fem Standard ISO/CE Certified 10-100t Double Girder Gantry Crane Product Description
A double box girder gantry crane is an overhead crane built on top of a structure that is supported by freestanding legs, eliminating the need for an overhead runway system. Gantry cranes are built on movable frameworks with wheels that enable the structure to be moved along a track or rail system.
Double Box Girder gantry crane are designed with two girders configuration, providing various load capacities. Double box girder gantry crane are used to lift extremely heavy loads.
NANTE Double Box Girder gantry crane are designed with the highest engineering standards for safety and high performance by advanced technology. NANTE manufactures and supplies custom double girder gantry crane with the capacity up to 300 tons and span up to 50 meters for your demands.
Advantages
Heavy Lifting:Superior capacity for handling very heavy loads.
Increased Span & Height:Covers larger areas with greater lifting heights.
Enhanced Stability:Robust design minimizes sway, ensuring safe, precise operation.
High performance:Designed for heavy duty cycles.
Versatility:Can be customized for specific needs. Design features
Design: Complies with FEM, CMAA, EN ISO, GB standards.
Hoist/Winch: NHA-D European hoist or NW series winch, direct-drive gearbox/motor, dual brakes (optional drum brake), custom options.
Girder: S355 steel, walkway/handrail, compact design, ISO 15614/AWS D14.1 welding, 1/700-1/1000 deflection, MT/PT/UT testing.
Wheels/End Carriage: Forged, heat-treated steel wheels; hollow-shaft (small capacity) or bogie (large capacity) end carriages for efficient, smooth operation.
Gear Motor: Branded, IP55, F-class insulation, IE3 efficiency, overheat protection, manual release, electromagnetic brake, inverter-controlled.
Control Panel: IEC-compliant, IP55 (optional IP65) enclosure, socket connections, integrated design, stainless steel inverter resistor, optional heater/AC.
Power/Control: I-beam festoon system, pendant, remote, or cabin control options.
Surface Treatment: SA2.5 blasting (ISO8501-1), C3-C5 painting (ISO 12944-5). Product Parameters

Type	Lifting Capacity	Lifting height	Span	Lifting Speed	Cross Travel Speed	Long travel Speed	Control Method
DG Gantry Crane with Hoist	5t-63t	3m-30m	5m-40m	2m-5m/min	20m/min	20-50 m/min	Pendent+ Remote Control
DG Gantry Crane with Winch	10t-300t	6m-60m	5m-45m	2m-40m/min	20-40 m/min	20-80 m/min	Pendent+ Remote Control + Cabin

Application
Company Profile
FAQ
Q1: Are you Manufacturer or Trading Company?
A1:We are an integrated industrial and trade enterprises. We have our own R&D team, factory and marketing department.
Q2: Which standard of your crane and crane components apply to?
A2: Our Crane can design and manufacture base on FEM, CMAA, ISO EN, GB standard.
Q3: How do you ensure your product quality?
A3: All our processes strictly adhere to ISO-9001 procedures, which include Material Traceability, ISO WPQR and welder certificate, Measuring Device Calibration, NDT for the welding, and full assembling and load testing before delivery.
Q4: How can I make payment?
A4: We accept T/T bank transfer, L/C, Paypal.
Q5: How can I assembly the cranes in my factory?
A5: We suggest you to recruit a crane service team in local to install the crane base on our Installation Guideline and User manual. If cannot, we can send engineer to your factory to guide you do the installation with extra charge, and the transportation, accommodation, translator shall be covered by your side also.
Q6: What is the warranty period, and how can I claim warranty If my crane have any issue?
A6: Our warranty period is 12 months after cargo leave China port. If the crane have any issue, our after-sales team and engineer will help you solve the issue by email or Video conference. If the defect is caused by quality issue, we will ship the spare parts to you by air to help you fixed it as soon as possible.
Q7: Do you accept OEM business?
A7: Sure, we do many OEM productions for some famous crane brand and customers around the world.
Q8: What about shipping?
A8: We recommend small batch by the way of air or LCL, but large delivery by the way of container or bulk vessel.
Q9: What about delivery time?
A9: Different capacity crane and components have different estimated delivery time, generally speaking, around 4 weeks to 8 weeks.
Q10: What is your company policy if we want to distribute NANTE product in our market?
A10: Firstly, thank you for your interest to promote NANTE brand, we have distributors in 50+ countries, pleaes no hesitate to contact us for the detail discussions, as we have different policies for the different target markets. Surely, you are welcomed to visit our factory and let's talk face to face.