Round manway

P31-498 (DN430-DN595)

  • Mounting in the roof of the tank
  • Pressure up to 0.2 bar (depending on version)
  • Double-hinged cover
  • One handwheel
  • Manway with aseptic cover
  • Gasket mounted on the frame
  • Gasket material: EPDM, neoprene, silicone (also HT - high temperature), NBR, Viton and other
  • Available diameters: DN430 / DN500 / DN595

Stainless steel round manway Boyer series P31-498

Series includes: P31-498, P31-598, P31-698

The Boyer P31-498 round manway is the smallest one in the series, which includes a total of three items with opening diameters: 430, 500 i 595 mm.

 

All manways in this series are equipped with a double-hinged cover for quick and easy access.

 

The structural components of the manways are manufactured from stainless steels in AISI 304L and/or AISI 316L grades. Both the Boyer P31-498 circular manway and the other models included in this series belong to the group of highly versatile, hygienic circular manways, which are widely used in the food and related industries.

Round manways P31-498 - application

Round manways of the P31-498 series are installed in various types of non-pressure tanks 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 (DN) [mm] C [mm] E [mm] B [mm] D [mm] MAX [bar] Weight [kg]
P31-498 430 100 3 235 547 0.2 13.0
P31-598 500 100 3 235 620 0.1 15.0
P31-698 595 100 3 235 720 0.05 18.0

 

Technical parameters

Product seriesBoyer
ShapeRound manways
TypeNon-pressure manway
Frame height (in mm)100 mm
Frame wall thickness (in mm)3.0 mm
Opening typeOutward
SizeDN300 - DN500, DN501 - DN700
Mounting methodin the tank roof (top manways)
Pressurebelow 0.5 bar
Vacuum pressurenot applicable
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

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