DN500 Flanged Manlid With Convex Cover ASSY

DN500 Flanged Manlid With Convex Cover ASSY is fixed with 20 points, and the sealing surface is in the form of a tenon groove surface (TG). The manhole cover component is formed by welding the manhole cover flange and the ball panel, and is locked with the manhole flange through double headed bolts. The manhole cover assembly is evenly distributed with two handles for easy handling, and the lifting ring screw M16 is used to lift the manhole cover assembly.
The height of the collar flange is customized according to customer needs, and different heights are suitable for different tank radius.
Standard fastener package and PTFE seal.