Top manways

(134)

Stainless steel manways designed for installation in the roof (upper part) of tanks.

From stock

Round manway

W1/C/MINI (DN150)
From stock

Round manway

W1/A (DN220-DN600)
From stock

Rectangular manway

W2/E (175x225)
From stock

Rectangular manway

W2/F (245x310)
New product

Round manway

W4/A (DN220-DN500)
New product

Round manway

W4/B (DN220-DN500)

Round manway

W4/C (DN220-DN500)

Round manway

W4/D (DN220-DN500)

Oval manway

E157 (440x308)

Oval manway

E158 (440x308)

Round manway

E15P (DN150)

Round manway

A550 (DN300-DN600)

Round manway

A560 (DN200-DN600)

Round manway

A580 (DN200-DN600)

Round manway

A590 (DN300-DN600)

Round manway

A540 (DN200-DN600)

Round manway

A520 (DN200-DN600)

Round manway

A930 (DN150-DN600)

Round manway

E/S (DN223-DN602)

Round manway

A940 (DN220-DN600)

Round manway

A960 (DN150-DN600)

Round manway

A970 (DN150-DN600)

Round manway

A980 (DN220-DN600)

Round manway

E/1S (DN223-DN602)

Round manway

E/P (DN223-DN602)

Round manway

E/1P (DN223-DN602)

Round manway

E/M (DN223-DN602)

Round manway

E/1D (DN402-DN602)

Round manway

E/1B (DN502-DN792)

Oval manway

A311 (305x430)

Oval manway

A311G (305x430)

Rectangular manway

A362 (530x400)

Rectangular manway

A362V (530x400)

Rectangular manway

A362R (530x400)

Rectangular manway

A363 (400x530)

Rectangular manway

A363BV (400x530)

Rectangular manway

A363R (400x530)

Rectangular manway

A363V (400x530)

Round manway

E/1NZ (DN502)

Round manway

E51 (DN502)

Rectangular manway

A363B (400x530)

Rectangular manway

A372 (420x310)

Rectangular manway

A373 (310x420)

Rectangular manway

A375 (420x310)

Rectangular manway

A376 (310x420)

Rectangular manway

A381 (225x175)

Rectangular manway

A381L (175x225)

Rectangular manway

A382 (310x245)

Rectangular manway

A382L (245x310)

Rectangular manway

A383 (365x275)

Rectangular manway

A383L (275x365)

Rectangular manway

A384 (405x275)

Rectangular manway

A384L (275x405)

Round manway

E42/1S (DN420)

Rectangular manway

A392 (MAX 2000x2000)

Rectangular manway

A651 (225x175)

Round manway

E40/1F (DN402)

Rectangular manway

A651L (175x225)

Rectangular manway

A652 (310x245)

Rectangular manway

A652L (245x310)

Rectangular manway

A653 (360x275)

Rectangular manway

A653L (275x360)

Rectangular manway

A654 (400x280)

Rectangular manway

A654L (280x400)

Round manway

P22-265ATR (DN504)

Round manway

P22-800 (DN800)

Rectangular manway

P23-210 (314x424)

Rectangular manway

P23-307 (314x424 / 534x410)

Round manway

P31-080 (DN790)

Rectangular manway

P23-111 (410x534)

Rectangular manway

P23-580 (500x800)

Rectangular manway

P23-201 (314x424 / 410x534)

Round manway

BP405 (DN410)

Round manway

B150 (DN154-DN495)

Round manway

B400 (DN403)
z 2

Top manways - construction and application

Top manways is a conventional term for a category of stainless steel manholes, which are installed in the roof (upper part) of tanks. This group primarily includes round manways of various diameters. It also includes various types of rectangular and oval manways.

 

Typically, manways installed in the upper part of a stainless steel tanks open outwards. For this purpose, it’s necessary to remove or lift the cover. Manway covers are secured with handwheels or clamp closures. Some models or versions of top (upper) manways are equipped with a dedicated hinge with a movable pin, the design of which allows the cover to be pushed aside.

 

In addition, manway covers are often equipped with a handle to facilitate its lifting. The main advantage of upper manways is also the high availability of mounting frames (up to 1000 mm height). This element proves very useful when the tank is covered with a thick layer of thermal insulation (insulated tanks). The upper manway category includes both non-pressure models and PED pressure manways.

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