Specifications ● Manhole main part steel 1.4301 / 1.4404 ● Manhole cover steel 1.4301 / 1.4404 ● Gasket made of silicone ● Stainless Steel Toggle Handle ● With Hang Arm ● Inner-open Type ● Matte treatment on both inner and outer ● Oval Dimension(mm):611×501 ● Welded with full welding technology Alternatives ● Optional 304, 316, 316 L Steel ● Polishing degree selection 0.4μm-0.8μm ● Treatment could also be mirror polishing or sandblast ● Height can be customized ● Handle material could be stainless steel ● Other Oval Dimensions: 412×312、434×334、515×415 ● Gasket material can be an alternative EPDM , FPM 
EXPLODED DRAWING
