DOYMA CuraInn® Service Ducts

Whenever services need to be neatly passed through walls or core bores, we have an appropriate service duct. The products range from rational, simple systems to complex solutions for the most exacting requirements in laboratories and hospitals.

The service tradesman, for the most part, installs service ducts at the same time as installing the service.

Normally, the duct comprises the sleeve ( 300 mm or 1000 mm long), rosette/plaster rings and rubber seals. All components readily fit together and are easily assembled on site. The shank length of the rosette helps compensate for wall and floor thickness variations. Sleeve and rosettes/plaster rings can be bonded together (17010 and 17020). For permanent closure of the cut out or core bore, we recommend the use of expanding grout from mortar group lll.

Properties

The most important properties of DOYMA service ducts for interior finishing are:

  • Meet the requirements of DIN 4109: Noise Protection.
  • Heat insulation according to the Heat Protection Order (Date 11/96).
  • Gas- and air tight.
  • Leakproof against damp and water.
  • Can be equipped with fire protection: With Building Regulations approved and certified fire protection systems (to DIN 4102), fire compartment walls can be safely penetrated.
  • Services can be easily installed and readily exchanged.
  • Clicking noises associated with pipe expansion and contraction are eliminated.
  • Axial movement and cross-sectional size changes are accommodated.
  • Protection against insect penetration.

The service ducts meet the requirements of DIN 18380 (Heating and Industrial Water Heating Systems) and DIN 1988 (Technical Rules for Potable Water Installations).

Materials

  • Sleeves / rosettes: ABS
  • Heat resistant up to 110° C
  • Screw caps: ABS with polished stainless steel cover
  • Seal rings: EPDM, NBR, expanded or foam rubber; heat resistant up to 120° C

Type 10.500

  • Wall and ceiling duct for dry room to dry room penetrations
  • Suitable for pipes up to 43 mm o/d
  • Meets the requirements of DIN 4109 (Reduction of noise transmission)

Supply form

1 x 300 mm long
Sleeve 2 x Rosettes
2 x O-Ring seals


Types 11.500 and 12.500

  • Wall and ceiling ducts for dry room to dry room penetrations
  • Suitable for pipes up to 160 mm o/d
  • Suitable for fire compartments (see Fire Protection) and available in split form for retro-fit installation
  • Meet the requirements of DIN 4109 (Reduction of noise transmission)

Supply form

1 x 300 mm long
Sleeve 2 x Rosettes
2 x O-Ring seals


Type 49.950

  • Wall and ceiling duct for wet room to wet room penetrations
  • Suitable for pipes up to 90 mm o/d
  • Noise absorbing or intumescent packings can be fitted in the sleeve
  • Meets the requirements of DIN 4109 (Reduction of noise transmission)

Supply form

1 x 300 mm long Sleeve
2 x Screw caps without collar with stainless steel casing, ABS inner and gasket


Type 53.117

  • Screw cap with ISO thread to DIN 2999 for installation over steel pipes on site
  • Suitable for pipes up to 65 mm o/d

Supply form

1 x Screw cap without collar with stainless steel casing, ABS inner and neoprene gasket


Type 59.100

For ducting pipes and cables in clean rooms fitted out with sandwich-construction walls

  • The loose ring is fixed to the outside face of the wall.
  • Sealing is effected on the cleanroom side – the threaded pressure ring is screwed in with an articulated spanner.
  • The rosette is sealed to the wall with Sikaflex 11 FC.

Materials:

  • Stainless steel AISI 304 or 316.with dressed and polished surface
  • EPDM or silicon gasket

Accessories

  • Type 17051 – Sikaflex 11 FC sealing mastic is a fast, air-curing 1-part polyurethane based elastic and strong bonding adhesive. It remains permanently elastic with excellent strength values. Supplied in 310 ml cartridges
  • Type 17059 – Adjustable articulated spanner with pins

Type 59.200

For ducting pipes and cables in clean rooms fitted out with sandwich-construction walls

  • The loose ring is fixed to the outside face of the wall.
  • Sealing is effected from the outside – the threaded pressure ring is screwed in with an articulated spanner.
  • The rosette is sealed to the wall with Sikaflex 11 FC.

Materials:

  • Stainless steel AISI 304 or 316.with dressed and polished surface
  • EPDM or silicon gasket

Accessories

  • Type 17051 – Sikaflex 11 FC sealing mastic is a fast, air-curing 1-part polyurethane based elastic and strong bonding adhesive. It remains permanently elastic with excellent strength values. Supplied in 310 ml cartridges
  • Type 17059 – Adjustable articulated spanner with pins