Production name: CIRCLE MANHOLE COVER
Application:
Non-pressure type manhole cover is widely used in food,wine-producing,beverage,and pharmacy industries and so on.Apply to all kinds of atmospheric container or tank to prevent the leakage
Working Principle
Non-pressure type manhole cover is joined together to the tank by the hinge, it also can let non-pressure type manhole cover free open and close tightness at the range of 120 degree by the handle, so it can be easy for the serviceman to check and to operate.
Design standard
The difference between non-pressure and pressure type manhole cover is the former can only use under normal pressure, so it is generally have only one fixed hand wheel device, but the sealing is good enough.
Technical data:
Material:
Steel parts: 304 or 316L
Seal: EPDM
Model: RTH
Specification: 400mm, 430mm, 450mm, 500mm, 600mm
Standard: ISO, DIN, 3A, SMS
Packing:
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