The Boll Kirch 1.12.2.85.95 DN 25 Einfachfilter is a simplex filter designed for cooling water filtration with a maximum flow rate of 20.00 l/min. Engineered according to PED 2014/68/EU AD-2000 (Art. 4, Abs 3), this unit features a housing size of 85.95 made of 1.4408 material, equipped with DIN 2501 PN 10 connection flanges (DN 25). It has a vessel volume of 0.80 liters and operates at a standard operating pressure of 4.50 bar, with an allowable operating pressure of up to 10.00 bar. The operating temperature ranges from a minimum of 10.00 °C to a maximum of 80.00 °C, operating at 40.00 °C. Inside, the filter utilizes a basket sieve element made of CrNi-steel with a 1.4401 mesh (TELA 5110), offering an 80 µm filtration fineness and a 144 cm² sieve area. It includes a magnetic filter insert and a 4.46.2 optical and electrical differential pressure indicator, set to clean at 0.38 bar and alarm at 0.5 bar. Sealing is provided by Perbunan seals.
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| Manufacturer | Boll Kirch |
|---|---|
| Country | |
| Part number | 1.12.2.85.95 DN 25 |
| Inner Code | 3387056 |
| Custom Code | 842199 |
| Product type | DN 25 simplex filter |
|---|---|
| Filter type | 1.12.2 |
| Housing size | 85.95 |
| Connection nominal size | DN 25 |
| Connection flanges | DIN 2501 PN 10 |
| Dimension sheet | Z107393 |
| Fluid to be filtered | Cooling water |
| Fluid group according to PED | 2 |
| Fluid type according to PED | Liquid |
| Max. flow rate | 20.00 l/min |
| Operating overpressure | 4.50 bar |
| Permissible operating overpressure | 10.00 bar |
| Operating temperature | 40.00 °C |
| Min. permissible operating temperature | 10.00 °C |
| Max. permissible operating temperature | 80.00 °C |
| Pressure loss with clean sieves | <0.1 bar at 20.00 l/min |
| Construction and design | PED2014/68/EU AD-2000 |
| Design article | Art. 4, Abs 3 |
| Vessel volume | 0.80 Liters |
| Pressure testing | Boll & Kirch with certificate |
| Material certificates | EN 10204/2.1 |
| Filter housing material | 1.4408 |
| Gasket material | Perbunan |
| Element type | Basket sieve element |
| Element material | CrNi-steel |
| Mesh material | 1.4401 |
| Mesh number | TELA 5110 |
| Filtration fineness | 80 µm |
| Sieve area | 144 cm² |
| Attached differential pressure indicator | 4.46.2 (optical + electrical) |
| Differential pressure setting | Cleaning 0.38bar / Alarm 0.5bar |
| Magnetic filter insert | Yes |
| External primer | None, cleanly blasted |
| Internal corrosion protection | None, cleanly blasted |
| Nameplate language | English/French |
| CE marking | Without CE marking |