stainless steel manway
| material | stainless steel 304,stainless steel 316 |
| size | DN300-DN800 |
| Gasket | EPDM,PTFE,NBR, |
| Surface | mirror polish |
| Type | square,round,ovel |
Sanitation Grade Tank Parts Manhole Cover
Type: Squareness,Roundness,Oval,Hand Hole Cover
Material:304,316L,321,304L,316
Fineness: inner and outer fineness of mirror Ra≤0.8μm,
inner and outer mechanical polish and electrical polish Ra≤0.2μm,