1. Brief introduction of   2-30ton MH gantry crane Electrical Hoist Gantry Crane is used together with CD MD Model electrical hoists.It is a track travelling small and medium-sized crane. Its proper lifting weight is 2 to 30 tons, its proper span is 12 to 35 meters, its proper working temperature is -33°C to 50°C It has 3 controlling methods: Handle cable + Remote control + Overhead control room . Environment 1).Power source is three-phase alternating current,rated frequency is 50Hz, rated Voltage is 220-690V. 2).The altitude height of site is ought to be less than 3000m. 3).Flammable,explosive and corrosive gas are forbidden in the work environment. 4).The crane is forbidden to lift fuse and blend deleterious article and flammable explosive article. We design and manufacture custom-built cranes according to customer specifications. When you order the cranes from us, please give us the detail of your requirements and your using situation, we will be the one to ensure what we offer is totally according to your requirement. And our components are designed with the idea of adjustment free and according to the lift time of the crane, so you can always rely on the functioning of the cranes.  2.Parameters of 2-30ton MH gantry crane
The Lap-joint Flange is a kind of the flange,which is set on the end of the pipe through the stub end and steel ring ,The Lap-joint Flange moves on the end of the pipe.
Production Size:DN10-DN2000
Pressure range:PN2.5,PN6,PN10,PN16,PN25,PN40,PN100
Production Standard:BS,JIS,GOST,ANSI,DIN,GB
Main Material of parts:
A105,20#,Q235,16Mn,A350 LF1,LF2,CL1/CL2,LF3 CL1/CL2,A694 F42,F46,F48,F50,F52,F56,F60,F65,F70;A182 F304,304L,F316,F316L,321,18-8,A182F1,F5a,F9,F11,F12,F22,F91,A182 F12,F11,16MnR
The Lap-joint Flange are generally used with the parts (expansion joint),The Lap-joint Flange are installed the two ends of the expansion joint,which connects to the pipe.
Lap-joint Flange Ansi Forged Lap-Joint Flange,Raised Face Lap Joint Flange,Forged Lap Joint Flange CANGZHOU HENGJIA PIPELINE CO.,LTD , https://www.hj-pipeline.com
3.Photos of 2-30ton MH gantry crane
 
2-30t Mh Model Electric Hoist Mobile Gantry Crane Hot Sale
Model NO.: MH
Type: Beam
Place of Origin: Shanghai, China
Lift Speed: 20 M/Min
Certificate: Ce. SGS. ISO9001
Color: Lemon Yellow(as You Choose)
Chain: Fec G80
Business Type: Hoist Manufacturer; Hoist Factory
Trademark: VANBON, OEM
Transport Package: Plywood Box
Specification: 30ton
Origin: Shanghai, China
HS Code: 8425110000