DOYMA Curaflex® gasket insert B

DOYMA Curaflex® gasket insert B

DOYMA 25 Years Guarantee

Product benefits

  • simple installation due to precise dimensions, large sealing ranges
  • permanently leakproof without retensioning (maintenance free)
  • higher sealing performance of the gasket insert due to DPS* and DOYMA-Grip
  • system component, without steps or divisions, with watertight welded bolts
  • fastening is secured, amongst other things, for high pressure thanks to the large ring
  • installation on the low pressure side
Technical details
  • gas-tight
  • accepts angular deviations of service duct up to 8°
  • accepts axial movements
  • single sealing
  • with large ring for ease of installation
The gasket insert consists of:
  • frame rings:
    asymmetrically profiled steel rings (DPS*), electro-galvanised, yellow passivated and sealant coated; optionally made of stainless steel grade 304 (1.4301) or grade 316 (1.4571/1.4404)
  • elastomer:
    27 mm EPDM seal ring (DOYMA-Grip), optionally EPDM-POD (for potable water), NBR (fuel/oil-resistant) or silicon (resistant to high temperatures) or FPM (chemical resistant)

* DPS up to NB 350

 

Accessories:

  • Curaflex® 1710/1715 (Aquagard primer and special paint)
  • Curaflex® 1745 (Disboxid 444 coating)

 


Installation as shown above.

Tighten nuts diagonally opposite nuts.
Please observe max. torque values.

Detailed installation instructions enclosed with the product.

Nuts 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
Against non-pressing water
  • sealing system for penetrations
  • to install in preinstalled pipe sleeve or core bore in waterproof concrete (white tank)
  • with extra large ring for axial fixation
  • for high hydrostatic loads
Pipe/Cable external diameter d [mm]Pipe sleeve/core bore D1 [NB in mm]Large ring diameter GD [mm]
1 - 2450*70
1 - 408098
41 - 57100120
58 - 77125145
78 - 104150170
105 - 145200240
146 - 190250290
191 - 233300340
234 - 288350390
289 - 339400440
340 - 380450490
381 - 430500550
431 - 530600650
531 - 620700750
LD= max. overall length: 40 mm

 

* Gaskets for NB 50 mm only available for core bores or pipe sleeves already installed.
For allocations D1 [NB] > 700 here.

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