

Stainless steel manhole cover is installed on the top of tank, with full sealing structure, and tighten top cover by rotary drive handle.
The top cover is made of stainless steel plate by punch forming, bottom base is made of stainless steel plate by roll forming process.
It can be directly welded on the tank.
Function & Feature
1. Surface Treatment
With the lead sealing board, it can be sealed directly.
5. Structure Features
Ordering Guide
2. The nominal diameter and base's height can be ordered by user's demand.
3. The sealing gasket can be chosen according to user's actual demand, different sealing gasket with different nominal pressure.
Attached List
Seal Material | NBR | FKM | Silicone Rubber | LKM |
Temperature Range | -10°C~+50°C | -20°C~+120°C | -50°C~+120°C | -40°C~+140°C |
Sealing Pressure | 0.3MPa | 0.3MPa | 0.3MPa | 0.3MPa |
Seal Material | Silicon Rubber Cover with PTFE | PTFE Packing | PTFE | |
Temperature Range | -70°C~+200°C | -100°C~+200°C | -100°C~+200°C | |
Sealing Pressure | 0.1MPa | 0.1MPa | 0.1MPa |