Modular pipework systems with loose flanges Ø 350 – 1600 mm

JACOB loose flange system with 10 mm lip and flanges acc. to DIN 24154, T2


The entire range is also available with welded-on flanges – prices on request.
Earthing lugs on request.
From diameter 350 mm up to diameter 1600 mm.
Other diameters on request.

Materials:

Mild steel: material DC 01 (ST 1203)

  • Inside and outside priming, RAL 7032, average thickness of layer 20 micron, temperature resistance up to 150 °C.
  • Surcharge for special final coatings outside.
  • Hot-dip galvanized to 70 micron according to DIN EN ISO 1461, temperature resistance up to 200 °C, no food quality.

Stainless steel: material 1.4301, AISI 304 (X5CrNi1810)

  • surface Cr-Ni-blasted, temperature resistance up to 300 °C.
  • As standard the listed components are made of stainless steel with loose flanges out of hot-dip galvanized standard steel.
  • There is a surcharge for loose flanges made of stainless steel.
  • Special versions in material 1.4571, AISI 316Ti (X6CrNiMoTi17122) with flanges made of stainless steel, surface pickled and passivated, available on request


Wall thicknesses:

Pipes:

  • 1 mm for ventilation plants, suitable up to 100 mbar overpressure.
  • 2 mm pipes up to diameter 630, shock explosion proof up to 3 bar.
  • 3 mm pipes on request, 3 mm stainless steel only available with welded-on flanges.

Components:

  • 1.5 mm and 2 mm wall thickness.
  • 3 mm on request, 3 mm stainless steel only available with welded-on flanges.

 

 

Tolerances:

  • Pipe diameter and roundness acc. to DIN EN 10296-1.
  • Lengths and angles acc. to DIN ISO 2768, part 1, tolerance class V, very rough.
  • Exclusions: segments and spouts with inclination, angle tolerance = ±1°..

 


Shock explosion proof up to 3 bar overpressure:

  • Pipes 2 mm thick up to Ø 630 mm
  • Segments 5° up to 45° 2 mm thick up to Ø 630 mm
  • Bends 30° up to 90° 2 mm thick up to Ø 630 mm
  • Cone-pieces 2 mm thick up to Ø 630 mm
  • Forks 30° and 45° 2 mm thick up to Ø 500 mm
  • Symmetrical forks 60° and 90° 2 mm thick up to Ø 500 mm
  • T-pieces 2 mm thick up to Ø 500 mm
  • Forks 30° and 45° 3 mm thick up to Ø 630 mm
  • Symmetrical forks 60° and 90° 3 mm thick up to Ø 630 mm
  • T-pieces 3 mm thick up to Ø 630 mm

Throttle valves over Ø 300 mm have not yet been tested up to date by an independent specialist institute on shock explosion proof quality; but internal tests with water pressure resulted in sufficient strength for a diameter up to 630 mm with 2 mm wall thickness. Throttle valves over Ø 300 mm are only shock explosion proof to the outside, but not inside the pipe system.

Shock-explosion proof cleaning pipes are not available, alternatively inspection pipes (diameter of opening 115 mm) up to a pipe diameter of 630 mm could be delivered as special versions.

 

 

Assembly instructions:

Pipes have to be assembled in true alignment.

 

(1) Mounting screws to be provided by the customer.
For shock explosion proof pipe connections screw quality 8.8 is required. Tightening
torque: M10 = 40 Nm, M12 = 60 Nm
(2) U-shaped seal for 10 mm lip, order-no. 10 ... 717,
suitable for piping with a thickness of 1 mm to 3 mm.
(3) Loose flange acc. to DIN 24154, T2, order-no. 10 ... 711


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