Heavy duty pipe clamp, heavy duty coupler, can be used for GJJ hoist and Alimak hoist.
Heavy duty pipe clamp, heavy duty coupler is used for construction hoist pipes, where is of high strength requirement.
B, Technical parameter
| Test report |
| Report No.2019-FB055 |
| Model | 76mm,89mm | |
| Address | Shanghai Jiaotong University Elevator Testing Center | |
| Date | July 22,2019 | |
| Material and strength of supplied sample | Clamp body: 16Mn | Drag hook: 40Cr |
| Bolt size M16 | Bolt strength: 8.8 grade | |
| Test result | 1) Clamping strength test: Fasten the bolt to 215N.M, start to load the vertical press. The clamp start to move when the load is 114.6 KN. And sample not broken. Testing Picture see next page
2) Pulling strength test: vertical loading till 149.6KN, the clamp pin broken. Testing pictures see next page.
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