Shanghai Cowell Machinery Co., Ltd.
High Quality Products, Sincere Attitude, Mutual Benefit
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tank truck fitting/oil tank truck COWELL
Manhole Cover
Description
Manhole is installed on the top of the tank, built-in pressure& vaccum vent & emergency vent.
Characteristics
than 6-8 Kpa or lower 2-3Kpa than the outside, will be
open to balance the different pressure. While the
difference pressure less than -2~6Kpa, the P/V vent will
be closed to keep the product not volatilized.
prevents dangerous and splliage.
outside. The emergency vent will be open automatically
to keep tank safe. The vent capacity is 7000M3/h.
compartment pressure before fully opening the fill cap.
| Technical Specification | ||
| Model | Material | Outer Diameter (mm) |
| RKG-1 | Aluminum | 560, 580 |
| RKG-2 | Aluminum | 460 |
| RKG-3 | Carbon Steel | 460, 500 |
| RKG-4 | Carbon Steel | 460, 500 |
| Manhole Flange | Mild Steel | 460, 560, 580 |
Vents for Manholes
C TYPE A TYPE B TYPE
FAQ
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