Oval manway

A311G (305x430)

  • Pressure up to 0.4 bar
  • Mounting in the roof or in the side wall of the tank
  • Opening to the outside
  • Hinged cover that can be moved aside
  • Gasket mounted in the cover

Oval manway A311G

Oval manway A311G with a compact and strong design. It is mounted in the side wall of the tank as standard. It can also be used as a top manway. This model is manufactured from two grades of stainless steel - AISI 304/304L (standard), AISI 316 (optional).

 

The external hinge is equipped with a movable pin, which allows the cover to be moved aside. A large plastic handwheel allows quick loosening and tightening of the cover. The handwheel can be replaced with a stainless steel option if necessary.

The use of stainless steel oval manway A311G

The main areas of application are:

  • food industry,
  • beverage and alcohol production,
  • chemical and biotechnology industries,
  • all kinds of non-pressure tanks.
Model A [mm] B [mm] HxSP1 [mm] HT [mm]* SP2 [mm] MAX [bar]*

Weight

[kg]
A311G 305 430

60x6**

80x6

100x6

150x6

210 2.0 0.4 11.0

*For the standard version (HxSP1 = 60x6 mm).

**Standard version.

Symbol Element
V handwheel
C cover
G gasket
T frame
B arm

 

Technical parameters

Product seriesSeries A
SizeM (longer manway side between 300-500 mm)
ShapeOval manways
TypeNon-pressure manway
Frame height (in mm)60-150 mm
Frame wall thickness (in mm)6.0 mm
Opening typeOutward
Mounting methodin the tank roof (top manways), in the tank side wall (side manways)
Pressurebelow 0.5 bar
Vacuum pressurenot applicable
PED certificateno
Steel gradeAISI 304/304L, AISI 316/316L
Gasket materialEPDM, NBR, Neoprene, Silicone, Viton
Handwheel materialPlastic, INOX

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