Fuel Tanker Petroleum Manhole Cover(Type1)

1. Flanged type

2. 24 bolts

3. 135°Max.opening angle of manhole cover

4. 2 auxiliary holes for anti overflow probe rod and oil measuring hole

5. Cast aluminum alloy material

Type 1 items optional:

Item No.

Description

MH03A-460

Outer diameter 460mm, no breathing valve

MH03A-460A

Outer diameter 460mm, 1 internal breathing valve

MH03-460B

Outer diameter 460mm, 2 internal breathing valve

Technical Specifications:

Nominal diameter:

DN400（16″）

Emergency exhaust diameter:

10″

Emergency opening pressure:

21~35KPa

Maximum emergency exhaust flow:

7000m³/h

Medium:

Diesel and gasoline

Operating temperature range:

-20℃ ~ 50℃

Operating temperature range under special working conditions:

-40℃ ~ 70℃