Oval manway

P11-129 (407x452 / 411x455)

  • Mounting in the side wall of the tank
  • Pressure up to 5.0 bar (depending on version)
  • Opening to the inside
  • Gasket mounted in the cover
  • Gasket material: EPDM, neoprene, silicone (also HT - high temperature), NBR, Viton and other
  • Surface finish options: standard / polishing / electropolishing
  • Custom version: ATEX (requires individual consultation)
  • Available dimensions: 407x452 / 411x455

Stainless steel oval manway Boyer series P11-129

Oval manway Boyer P11-129, together with models P11-131 and P11-125, forms a series of manways designed for installation in pressure tanks and reactors. The manway cover is supported by an external hinge, which allows it to be opened towards the inside of the tank. Manway components are manufactured from stainless steel in AISI 304L and/or AISI 316L grades.

 

Models P11-129 and P11-131 are available with certification according to the PED pressure directive. In addition, the P11-131 model is suitable for applications where a slight vacuum may occur.

 

It is possible to make a special version of the manway for use in explosive environments - ATEX for non-electrical equipment.

Oval manways P11-129 - application

Oval manways P11-129, P11-131, P11-125 are installed in autoclaves and process equipment. The main areas of application for this manway model are:

  • food and dairy industry,
  • beverage and alcohol production industry,
  • vegetable and fruit processing.

Due to its universal design and wide range of available sealing materials, this manway can also be used in the areas of: 

  • biotechnology, 
  • chemical industry, 
  • cosmetic industry and similar areas. 

About Boyer products

Products of the French manufacturer Boyer guarantee the highest quality of construction and durability. Attention to every detail in the production process results in extremely high resistance, comfort of use and beautiful design of the manways.

They are excellent for applications where it is necessary to use a product that meets the highest standards. For this reason, Boyer brand manways are among the most popular in Europe.

Model A [mm] C [mm] E [mm] B [mm] D [mm] MAX [bar] CODAP/PED [bar] Weight [kg]
P11-129 407x452 60 8 174 568 5.0 3.5 16.0
P11-131 407x452 60 8 210 533 +5.0/-0.9 3.5 16.0
P11-125 411x455 60 8 174 568 2.5 - 16.0

 

Technical parameters

Product seriesBoyer
SizeM (longer manway side between 300-500 mm)
ShapeOval manways
TypePressure manway
Frame height (in mm)60 mm
Frame wall thickness (in mm)8.0 mm
Opening typeInward
Mounting methodin the tank side wall (side manways)
Pressure0.5 - 2.5 bar, 2.51 - 4.5 bar
Vacuum pressurenot applicable, from -0.51 to -1.0 bar
PED certificateno
Steel gradeAISI 304/304L, AISI 316/316L
Gasket materialEPDM, NBR, Neoprene, Silicone, Silicone (high temperature - up to 250°C), Viton, Other
Handwheel materialPlastic, INOX, Other

We use cookies

We use cookies to facilitate the use of our websites, for statistical and advertising purposes. If you do not block these files, you agree to their use and saving them in your device's memory. Remember that you can change your browser settings yourself to block the saving of cookies. For more information, see our Privacy Policy.
contact us