| Customization: | Available |
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| Casting Method: | Sand Casting |
| Casting Form Material: | Metal |
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Manhole, stainless steel manhole, manhole cover
Type: Squareness\Roundness\Oval\Hand Hole Cover
Material: 304\316L\321\304L\316
Fineness: Inner and outer fineness of mirror Ra≤ 0.8μ M,
Inner and outer mechanical Polish and electrical Polish Ra≤ 0.2μ M,
External surface can be gross polished or sub-gross polished.
A manhole is the opening structure used for worker to enter and exit equipment for installation, maintenance and safety inspection. It is mainly composed of short pipe, flanges and manhole covers with handles. Manhole materials are carbon steel and stainless steel. Manholes are divided into normal pressure manholes and high pressure manholes according to pressure; manholes are also divided into round, oval and rectangular manholes according to shape; and manholes are divided into horizontal manholes and vertically manhole according to installation position; manhole covers are fixed by swivel cover and hanging cover; the speed of manhole opening has ordinary type and quick opening type.
| name | stainless steel manhole cover |
| size | DN300-800 |
| material | SS304,SS316L |
| type | round,oval,rectangle |
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