application:They can make it convenient to enter into tanks and meet your requirements to open and close tanks whenever you wan

A	H1	H	t1	t2
580.0	133.0	320.0	5.0	4.0
480.0	133.0	320.0	5.0	4.0

Material quality: SUS304, SUS316L Standard: DIN/SMS/ISO/IDF/3A/RJT/DS/BS/BPE Packing: According your import requirement Our pipe fitttings and manhole cover widely used in food, drinks, beer, pharmacy and dairy industry.

elliptic type manhole cover (with pressure )