The size is more smart, it’s better suit the small installation space’s requirements.
Double flange surface sealing, sealing gasket place in the bottom cover, with more reliable tightness.

Stainless Steel Manhole Cover H801A-260/310/360.2

• Surface Treatment

Stainless Steel’s surface is treated by mirror polishing to make it more pleasing and longer performing.

• With Lead Sealing

With the Lead Sealing Board, it can be sealed directly.

• Opening Angle

The turn-hinge with the opening angle stop device, it can effectively prevent the crash which between the stainless steel manhole cover and tanker when the cover is opening.

• Type Diversification

The nominal diameter, material and height can be ordered by user’s demand.

• Structure Features

The size is more smart, it’s better suit the small installation space’s requirements.

Double flange surface sealing, sealing gasket place in the bottom cover, with more reliable tightness.

• The materials of manhole cover can be ordered in different according to user’s demand, such as aluminum alloy, carbon steel, stainless steel 304 ,stainless steel 316 .
• The nominal diameter and base’s height can be ordered by user’s demand.
• The Sealing gasket can be chosen according to user’s actual demand, different sealing gasket with different nominal pressure.

Seal Material	NBR	FKM	Silicone Rubber	LKM
Temperature range	-10℃~+50℃	-20℃~+120℃	-50℃~+120℃	-40℃~+140℃
Sealing Pressure	0.3MPa	0.3MPa	0.3MPa	0.3MPa

Seal Material	Silicon Rubber Cover with PTFE	PTFE Packing	PTFE
Temperature range	-70℃~+200℃	-100℃~+200℃	-100℃~+200℃
Sealing Pressure	0.1MPa	0.1MPa	0.1MPa