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GRK series manholes (pipe wall manhole, core manhole, vertical hanging cover manhole)
GRK series manholes (pipe wall manhole, core manhole, vertical hanging cover manhole) .....
Product details
GRK seriesManhole (pipe wall manhole, core manhole, vertical hanging cover manhole)
Working principle
The manhole is installed at the bottom of the oil tank wall, and people can enter and exit through this hole. It does not come with a reinforcing plate when leaving the factory.
Please indicate the product name, model, and specifications when placing an order.
Technical Parameter
|
specifications
|
Drawing No
|
weight
(Kg/set) |
Installation size (millimeters)
|
||
|
d
|
D
|
L
|
|||
|
DN500
|
GRK-500
|
86
|
Ø500
|
Ø645
|
320
|
|
DN600
|
GRK-600
|
126
|
Ø600
|
Ø755
|
340
|
|
DN760
|
GRK-750
|
334
|
Ø750
|
Ø980
|
345
|
GTG seriesTransparent hole
Working principle
The transparent hole is installed on the top of the oil tank for lighting inside the tank. Type A is installed on the flat cone tank, type B is installed on the arch tank, and type C is installed on the heavy oil tank. This product does not come with a reinforcing plate when it leaves the factory.
Please indicate the name, specifications, and drawing number when placing an order.
Technical Parameter
|
specifications
|
Drawing No
|
weight
(Kg/set) |
|
DN500-A
|
GTG-500A
|
45
|
|
DN500-B
|
GTG-500B
|
48
|
|
DN500-C
|
GTG-500C
|
20
|
|
DN500-D
|
GTG-500D
|
26
|
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