DOYMA Curaflex® combination 3400


Technical details

  • sealing system for installation in walls, ceilings and floors
  • for buildings without tanking membranes
  • leak-proof against pressing water
  • gas-tight when both inside and front faces of sleeve are coated
  • accepts angular deviations of service duct up to 8°
  • accepts axial movements

The system consists of:

  • Curaflex® D gasket with DPS* and large ring, double sealing, parts:
    • asymmetrically profiled steel rings electrogalvanized, yellow passivated and sealant coated
    • elastomer: 2 x 27 mm EPDM seal rings (“DOYMA-Grip”)
    • 3 mm orange coloured EPDM centre ring
  • Curaflex® 3000 fibre cement pipe sleeve

*DPS – Double Profile System up to NB 350

Accessories:

  • Curaflex® 1701 (formwork fastener)
  • Curaflex® 1702 (protection cap)
  • Curaflex® 1745 (Disboxid 444 coating)

Installation as shown above

Tighten nuts diagonally opposite nuts. Please observe max. torque values
Nuts Ø Socket spanner Max. torque value
M 5 8 3 Nm
M 6 10 8 Nm
M 8 13 12 Nm
M 10 17 25 Nm
M 12 19 30 Nm

Detailed installation instructions enclosed with the product.

Against pressing water


Pipe/Cable external diameter d [mm]Pipe sleeve D1 [NB in mm]Pipe sleeve external diameter D2 [mm]Large ring ext. diameter GD [mm]Standard lengths L1 [mm]
1 - 4080≤14098 200
240
250
300
365
400
500
41 - 57100≤160120
58 - 77125≤ 156145
78 - 104150≤ 187170
105 - 145200≤ 238240
146 - 190250≤ 293290
191 - 233300≤ 347340
234 - 288350≤414390
289 - 339400≤ 464440
340 - 380450≤ 514490
381 - 430500≤ 570550
431 - 530600≤ 673650
531 - 620700≤ 787750

For allocations D1 [NB] > 700 click here.
For the exact gasket insert diameter click here.

Further sizes, other materials and tailor-made specials available on request.