| Name | Concrete pump twin wall flange |
| Other Type | SK flange , HD flange,Male and Female flange,ZX flange |
| Size | DN100,DN125 and DN150 |
| Brand | Putzmeister,schwing,sany and zoomline ,cifa ,ect |
| Application | welded on the heat treatment pipe and twin wall pipe . |
| Material | Alloy Steel/ 20# |
| Technology | lathe machining |
| Packing | Carton box or wooden case |
| Key words | twin wall weld-on flange/twin wall weld-on collar/twin wall welding ring |
| Regular size | 5 1/2" |
Single wall SK flange compared with twin wall flange , twin wall collar inside have one layer of wear resistence layerness .


5 1/2" concrete pump twin wall flange , which is welded on heat treatment pipe
5 1/2" concrete pump twin wall flange , which is welded on twin wall pipe

Concrete pump pipe flange application , which is welded on the pipe

Concrete pump flange welding ring package , we use sea ship standard carton box or wooden case package .

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