Sh. Otradnenskoe, d. 1/g, G. Nikol`skoe, Sankt-Peterburg, Leningradskaya obl., 187026, Russian Federation

Production of metal structures

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Seals

Ferrules

Ferrules, according to set of rules 5.900-3, are designed for metal pipe sleeves at water and sewage facilities in wet and dry soils on the territory of the Russian Federation. Ferrule (set of rules 5.900-3) can be applied for pressure swings at the ferrule of up to 0.1 MPa at temperature of up to 50 °C, for non-corrosive environments.

Technical specifications 

Set of rules 5.900-3 provides stuffing boxes with length of L = 200, 300, 500, 800 mm to pass pipes through walls of buildings with pipe sizes Du50, 80, 100, 125, 150, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400. Box code corresponds to nominal size of a pipe passed through it.

Instructions for installation of boxes

According to set of rules 5.900-3, a box should be selected so that a wall thickness would be equal or less than the length of the box housing. To protect the box housing from displacement, it should be securely fastened and welded to nearby horizontal and vertical reinforcement bars.

Legend:

Dn - passed pipeline nominal size, mm

D1 - inner diameter of a box, mm

D2 - outer diameter of a box, mm

d - diameter of stud

n - number of holes

L - length of a box, mm

Stuffing boxes

Stuffing boxes under a set of rules

5.900-2 are designed for metal pipe sleeves at water and sewage facilities in wet and dry soils on the territory of the Russian Federation. Stuffing boxes under set of rules 5.900-2 can be applied  for pressure swings at the stuffing box of up to 0.1 MPa at temperature of up to 50 °C, for non-corrosive environments.

Technical specifications

The set of rules provides stuffing boxes with length of L = 200, 300, 500, 800 mm as sleeves in wall of structures for pipes with nominal sizes DN50, 80, 100, 125, 150, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400. Box code corresponds to nominal size of a pipe passed through it.

Instructions for installation of boxes

According to set of rules 5.900-2 a stuffing box should be selected so that a wall thickness would be equal or less than the length of the box housing. To protect the box housing from displacement, it should be securely fastened and welded to nearby horizontal and vertical reinforcement bars.

Legend: 

D of pipe - nominal size of passed pipe, mm

D1 - (outer) diameter of passed pipe, mm

D2 - (outer) diameter of box, mm

D3 - diameter of box with a welded seam for ribs, mm

D4 - diameter of box with ribs, mm

L - length of box, mm

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