Silent drainage





Valsir
SILERE
- Versatile transition couplings: a wide range of adapters connects the SILERE® system to other drainage systems such as cast iron, PE, PP and PVC
- Applications: internal waste and rainwater drainage in residential buildings, industrial properties, hospitals and hotels where high acoustic comfort is required
- The SILERE VBF system additionally provides effective ventilation of the drainage stack and branch lines in tall buildings
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Technical data
| Material / construction | Single-layer, thick-walled blend of polypropylene and mineral fillers (density 1600 kg/m³, EN ISO 1183-2) |
| Diameters | Ø 58 mm - Ø 160 mm |
| Sound level | LSC,A = 6 dB(A) at 2 l/s flow (EN 14366); LIN = 9 dB(A) (DIN 4109) |
| Fire class | Euroluokka C-s3,d0 (EN 13501-1) |
| Operating temperature | Wastewater max. +95 °C (intermittent) / +80 °C (continuous); min. service temperature −20 °C |
| Chemical resistance | Wastewater pH 2–12; halogen-free; independent of stray currents |
| Pressure resistance | −500 mbar … +1.5 bar (20 °C; also suitable for central vacuum systems) |
| Application area | / standards |
| Application area | B (EN 1451-1); reference standards EN 1451-1 · WMTS-508:2013 · NBK 19 |
| Pipe lengths | 150 mm - 3 m |
BIM objects:SILERE ▸
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Valsir
TRIPLUS
Approvals

























Technical data
| Material / construction | Three-layer mineral-reinforced polypropylene (PP + MD); inner and outer layers PP, middle layer PP + mineral filler |
| Diameters | Ø 32 mm - Ø 250 mm |
| Fire class | D-s3,d0 (EN 13501-1) |
| Sound level | LSC,A = 12 dB(A) at 4 l/s flow · less than 10 dB(A) at 2 l/s (EN 14366; Fraunhofer Stuttgart, certificate P-BA 105/2024) |
| Operating temperature | Wastewater +95 °C (intermittent) / +80 °C (continuous); lower service limit −25 °C. |
| Chemical resistance | wastewater pH 2–12; halogen-free material. |
| Application area | EN 1451, application area B (installations inside buildings and wall-mounted outdoor installations) |
| Standards | EN 1451-1 · EN 13501-1 · EN 14366 Firestop collar (Collarwings) EI 240 (EN 1366-3), diameters 32–160 mm |

Valsir · Blackfire
Blackfire VBF ventilation branch fitting
D 110 stack connection · 6 inlets for horizontal runs
Product information
- Ventilation branch fitting for the Blackfire stack: D 110 connection and six inlets for horizontal pipe runs
- Three upper DN 100 (OD 110 mm) connections for sanitary fixtures (WC, washbasin, shower) and three D 75 inlets
- Standard achievable flow rate 13 l/s; higher flows subject to system design (Valsir technical support)
- Welding sockets from factory or on site · SBR seals
- Blackfire material: self-extinguishing mineral-filled PP, UV resistant, halogen free · B1 fire reaction (DIN 4102-1)
Technical details
| Stack connection | D 110 mm |
| D 110 inlets | max 3 |
| D 75 inlets | max 3 |
| Flow rate | 13 l/s (standard); higher per system design |
| Seals | SBR |
| Operating temperature | +80 °C continuous / +95 °C intermittent · waste pH 2–12 |

Valsir
Isolante - thermo-acoustic insulation for waste systems
Open-cell PU 12 mm + fire-resistant loaded rubber 2 mm · Rw 27 dB
Product information
- Thermo-acoustic insulation for Valsir waste systems: open-cell PU foam 12 mm + loaded fire-resistant rubber layer 2 mm (total 14 mm)
- Sound insulation Rw 27 dB (ISO 717-1) · acoustic class A2 (ISO 15665)
- Self-extinguishing: UL 94 HF1 · DL-s2,d0 (EN 13501-1)
- Eco-compatible: no bitumen, halogens or phosphates
- Sheets 1000 × 2000 mm · working temperature −70 … +110 °C (peak +140 °C)
Technical details
| Total thickness | 14 mm (PU 12 mm + rubber 2 mm) |
| PU density | 30 kg/m³ (UNI 6394 / ISO 1855) |
| Rubber surface weight | 4.5 kg/m² |
| Sound insulation | Rw 27 dB (ISO 717-1) · class A2 (ISO 15665) |
| Fire class | UL 94 HF1 · DL-s2,d0 (EN 13501-1) |
| Thermal conductivity | 0.035 W/mK (ISO 2581) |
| Working temperature | −70 … +110 °C · peak +140 °C |
| Format | sheets 1000 × 2000 mm |
Valsir
Parts and accessories

Restraint collars
Prevent pipes and fittings from slipping out of the socket under pressure or external stress; allow thermal movement. For Triplus and White Marine systems.
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