Damping open-slowly manhole with damping system, when open or close the manhole, the speed is adjustable.
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Damping open-slowly manhole with damping system, when open or close the manhole, the speed is adjustable.
| Specifications | 100mm-800mm |
| Material | 304/1.4301, 316L/1.4404, ASME BPE 316L 1.4435 NB2 Fe≤0.5% |
| Pressure | Vacuum to 10bar (1.0 MPa) |
| Temperature | -20℃ to +150℃, Depending on the seal material |
| Sealing | EPDM FKM HNBR PTFE |
| Finish | Ra≤0.8μm; MP=Ra≤0.6μm; EP=Ra≤0.3μm |
| Certification | FDA 177.2600; 3A-84-02; Glass II USP Glass VI Chapter 88; GB4806.11; EG VO/1935-2004; PED/97/23/EC; |
