Damping open-slowly manhole

TECHNICAL SPECIFICATIONS:

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;
 

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FEATURES

With damping system,  when open or close the manhole, the speed is adjustable.

THEORY OF OPERATION
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Manhole Series English 15.26MB
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