DOYMA Curaflex® gasket insert A

DOYMA Curaflex® gasket insert A

DOYMA 25 Years Guarantee

Product benefits

  • simple installation due to precise dimensions, large sealing ranges
  • permanently sealed without re-tensioning (maintenance free)
  • higher sealing performance of the gasket insert due to DPS* and DOYMA-Grip
  • system component, without steps or divisions, with water tight welded bolts

Helium Test: InfraservLeak Test: TUV NordNoise Protection: IBMB

Technical details
  • gas-tight
  • accepts angular deviations of service duct up to 8°
  • accepts axial movements
  • single sealing
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)
Pipe/Cable external diameter d [mm]Pipe sleeve/core bore D1 [NB in mm]
1 - 2450*
1 - 4080
41 - 57100
58 - 77125
78 - 104150
105 - 145200
146 - 190250
191 - 233300
234 - 288350
289 - 339400
340 - 380450
381 - 430500
431 - 530600
531 - 620700
LD= max. overall length: 60 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.