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Description
Manhole is installed on the top of the tank, built-in pressure& vaccum vent & emergency vent.
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RGK-1
RKG-2
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Manhole Flange
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RKG-3
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Characteristics
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Pressure & vaccum vent, while inside pressure higher 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.
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Automatic sealing of P/V vent in a roll over situation prevents dangerous and splliage.
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When th
e inside pressure is higher 21-32kpa than the outside. The emergency vent will be open automatically to keep tank safe. The vent capacity is 7000M3/h.
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Two-stage opening allows safe release of residual compartment pressure before fully opening the fill cap.
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Easy maintenance, convenience, safety.
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Working pressure:0.6Mpa
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Technical Specification
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Model
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Material
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Outer Diameter (mm)
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RKG-1
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Aluminum
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560, 580
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RKG-2
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Aluminum
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460
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RKG-3
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Carbon Steel
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460, 500
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RKG-4
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Carbon Steel
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460, 500
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Manhole Flange
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Mild Steel
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460, 560, 580
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Vents for Manholes
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