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Rectangular manways

(20)
Rectangular manway E115 (530x406)

Rectangular manway

E115 (530x406)

  • Vertical manway

  • Opening to the outside

  • Pressure from 0.9 to 1.1 bar (depending on version)
  • Two hinges, two handwheels
Rectangular manway E116 (406x530)

Rectangular manway

E116 (406x530)

  • Horizontal manway

  • Opening to the outside

  • Pressure from 0.8 to 1.8 bar (depending on version)
  • Two hinges, two handwheels
Rectangular manway E121 (424x316)

Rectangular manway

E121 (424x316)

  • Pressure from 1.0 to 1.2 bar (depending on version)
  • Vertical mounting
  • Opening to the outside
  • Two hinges, two handwheels
Rectangular manway E122 (316x424)

Rectangular manway

E122 (316x424)

  • Pressure from 1.0 to 1.2 bar (depending on version)
  • Horizontal mounting
  • Opening to the outside
  • Two hinges, two handwheels
Rectangular manway E123 (424x316)

Rectangular manway

E123 (424x316)

  • Pressure up to 0.7 bar
  • Vertical mounting
  • Opening to the outside
  • Two hinges, one handwheel
Rectangular manway E124 (316x424)

Rectangular manway

E124 (316x424)

  • Pressure up to 0.7 bar
  • Horizontal mounting
  • Opening to the outside
  • Two hinges, one handwheel
Rectangular manway E129 (530x406)

Rectangular manway

E129 (530x406)

  • Pressure up to 1.8 bar
  • Vertical mounting
  • Opening to the inside
  • One hinge, two handwheels
Rectangular manway E130 (424x316)

Rectangular manway

E130 (424x316)

  • Pressure up to 2.0 bar
  • Vertical mounting
  • Opening to the inside
  • Internal hinge
Rectangular manway E131 (424x316)

Rectangular manway

E131 (424x316)

  • Pressure up to 2.0 bar
  • Vertical mounting
  • Opening to the inside
  • External hinge
Rectangular manway E132 (450x750)

Rectangular manway

E132 (450x750)

  • Pressure up to 1.5 bar
  • Vertical mounting
  • Opening to the outside
  • Two external hinges, six handwheels
  • Mounting in stainless steel tanks and silos
Rectangular manway E133 (600x800)

Rectangular manway

E133 (600x800)

  • Pressure up to 1.5 bar
  • Vertical mounting
  • Opening to the outside
  • Two external hinges, six handwheels
  • Mounting in stainless steel tanks
Rectangular manway E134 (600x800)

Rectangular manway

E134 (600x800)

  • Pressure up to 1.2 bar
  • Lifting flap (guillotine)
  • Slide gate for tanks and silos
Rectangular manway E135 (800x1000)

Rectangular manway

E135 (800x1000)

  • Pressure up to 1.2 bar
  • Lifting flap (guillotine)
  • Slide gate for tanks and silos
Rectangular manway E129/1 (530x406)

Rectangular manway

E129/1 (530x406)

  • Pressure up to 1.8 bar
  • Vertical mounting
  • Opening to the inside
  • Cover with one hinge and two handwheels
  • Possibility to rotate the cover when opened
Special-purpose manway E115CEM (530x406)

Special-purpose manway

E115CEM (530x406)

  • Vertical manway

  • Opening to the outside

  • Two hinges, two handwheels
  • Mounting in the side wall of the tank
  • Made of stainless steel AISI 304L or AISI 316L
  • Gasket material: EPDM, silicone, NBR or Viton
  • Version for mounting in concrete/cement tanks
Special-purpose manway E121CEM (424x316)

Special-purpose manway

E121CEM (424x316)

  • Vertical manway

  • Opening to the outside

  • Two hinges, two handwheels
  • Mounting in the side wall of the tank
  • Made of stainless steel AISI 304L or AISI 316L
  • Gasket material: EPDM, silicone, NBR or Viton
  • Version for mounting in concrete/cement tanks
Special-purpose manway E141BL (424x316)

Special-purpose manway

E141BL (424x316)

  • Mounting in the side wall of the tank
  • Opening to the outside
  • Made of stainless steel AISI 304L or AISI 316L
  • Gasket material: EPDM, silicone, NBR or Viton
  • Version for mounting in wooden tanks (barrels)
Rectangular manway E136 (600x600)

Rectangular manway

E136 (600x600)

  • Pressure up to 1.2 bar
  • Lifting flap (guillotine)
  • Slide gate for tanks and silos
  • Piston socket for automatic flap lifting
  • Gasket material: EPDM, NBR, silicone or Viton
Rectangular manway E134N (600x800)

Rectangular manway

E134N (600x800)

  • Pressure up to 1.2 bar
  • Lifting flap (guillotine)
  • Slide gate for tanks and silos
  • Piston socket for automatic flap lifting
  • Gasket material: EPDM, NBR, silicone or Viton
Rectangular manway E137CN (530x406)

Rectangular manway

E137CN (530x406)

  • Pressure up to 1.6 bar
  • Lifting flap (guillotine)
  • Slide gate for tanks and silos
  • Manual flap lifting
  • Gasket material: EPDM, NBR, silicone or Viton

Stainless steel rectangular manways – general information

Rectangular manways are highly popular equipment for numerous stainless steel or concrete tanks, as well as silos and many other industrial installations. Their popularity is supported by a wide range of models, among which there are both small inspection manways (with the length of sides up to 300 mm) and large stainless steel manway doors (with the length of sides up to 2000 mm).

Stainless steel rectangular manway

Rectangular manways - types

Among the rectangular manways, two basic groups can be distinguished, based on the length of individual sides of the manway:

  • vertical rectangular manways,
  • horizontal rectangular manways.

The use of a manway from one group or the other is usually based solely on the individual preference of the designer of the equipment in which the manway is to be installed.

 

The vast majority of rectangular manways open outward, but individual models are also available with the lid opening toward the inside of the tank. The manway is usually opened with handwheels (number depends on the model) located on a special arm connected to the hinge. An alternative opening option for rectangular manways is a gate (a design in which the manway lid is lifted by a specially adapted mechanism). Manways of this type are often referred to as "guillotine type manways”.

Pressure resistance of rectangular manways

Rectangular manways, due to their design and most often outward opening lid, are a category of manways with relatively low overall pressure resistance level.

 

The pressure resistance of rectangular manways is usually in the range of 0.5-2.5 bar. This makes them ideal as side inspection doors for most small and medium capacity tanks, silos and some process equipment with relatively low operating pressures (around 1.5 bar).

 

Among the rectangular manways there are also non-pressure models (with a general resistance up to max. 0.5 bar). These are designs suitable for installation in the top of tanks (usually as an alternative to standard stainless steel round lids).

Versatility of installation of rectangular manways

Rectangular manways - versatility of installation

The rectangular manway category includes models with a variety of mounting options. This means that rectangular manways are a very versatile product group. Depending on the design and version, they can be installed in many types of tanks and silos.

Mounting options include rectangular manways:

  • for stainless steel tanks and containers,
  • for barrels (wooden tanks),
  • for concrete/cement tanks,
  • for plastic tanks (polypropylene, fiberglass).

Rectangular manway designs very often allow their structure to be customised to meet individual design needs, already at the stage of technical arrangements.

Application of rectangular manways

Stainless steel rectangular manways are typically used as the main inspection element, installed in the side shell of a tank or silo. This makes rectangular manways suitable for a wide variety of areas. In the area of the food industry, these will include:

  • fruit and vegetable processing,
  • milk and dairy processing plants,
  • warehouses and processing plants for bulk materials (e.g. cereal grains),
  • alcohol production (in particular – wine).

However, the use of rectangular manways is not limited to the food industry, but goes much further. Rectangular manways in the proper configuration are also ideal for other industrial applications. Thus, they are used:

  • in various process vessels in the chemical and biotechnological industry,
  • in process water tanks,
  • in industrial washers,
  • in chambers and dryers,
  • in silos for plastic granulates,
  • in civil engineering and hydraulic structures.

Extra large rectangular manways are the answer to the specific needs of technical, service and maintenance personnel. Often the activity of these services involves working in the confined environment of tanks, chambers, pipelines and similar spaces. Manways are installed in all such areas to provide safe access to the interior. The dimensions of such manways are based on the requirements in EN 547-1 (Part 1: Principles for determining the dimensions of openings for whole-body access to machinery). As a result, such manways have an opening that an adult of average body build can easily pass through. They are usually not smaller than 600×450 mm.

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