Round Outward Manhole Cover With Sight Glass provide fast, simple and convenient access to the contents of tanks in the dairy, food and beverage and biopharmaceutical industries. These materials have a good surface finish and sealing performance, allowing for a securely fit to high/low or non-pressure tank openings. There are mirrors on the top for observation.
| Item | Details | |
| Materials | 304/1.4301 316L/1.4404 |
|
| Seals | EPDM, Silicone，FPM | |
| Pressure range | 1-3bar | |
| Surface | Internal:Ra=0.4μm-0.8μm External:mirror polish, matte, sand-blasting |
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