| Customization: | Available |
|---|---|
| Certification: | ISO9001 |
| Material: | Stainless Steel |
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| Nominal diameter | 20" |
| Working pressure | 0.1~0.3MPa |
| Material | Aluminum alloy/SS/Carbon Steel |
| Sealing way | upper cover |
* Surface Treatment
Stainless Steel's surface is treated by mirror polishing to make it more pleasing and longer performing.
*With Lead Sealing
With the Lead Sealing Board,it can be sealed directly.
*Opening Angle
The turn-hinge with the opening angle stop device,it can effectively prevent the crash which between the stainless steel manhole cover and tanker when the cover is opening.
*Type Diversification
The nominal diameter,material and height can be ordered by user's demand.
*Structure Features
Large-diameter Base,it's convenient for loading the medium and easy for operator to get in or out for maintenance.Double flanges sealing,sealing gasket is placed in the bottom cover,with more reliable tightness.
| Seal Material | NBR | FKM | Silicone Rubber | LKM |
| Temperature Range | -10°C~+50°C | -20°C~+120°C | -50°C~+120°C | -40°C~+140°C |
| Sealing Pressure | 0.3MPa | 0.3MPa | 0.3MPa | 0.3MPa |
| Seal Material | Silicon Rubber Cover with PTFE | PTFE Packing | PTFE | |
| Temperature Range | -70°C~+200°C | -100°C~+200°C | -100°C~+200°C | |
| Sealing Pressure | 0.1MPa | 0.1MPa | 0.1MPa |
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