Introduction Advantages of cooperating with Our service - our conditions Our standard central control valve

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1 Introduction Advantages of cooperating with Our service - our conditions Our standard central control valve Gravel-Filter Deferrisation Systems Pressure filter EKF, made of stainless steel (V4A) Pressureless filter type OKF, made of plastic (PP) and V4A Oxidation-air-compressor, oxidator Backwash device type RSL/DPR-EKF, pressure-cushion-regulation OKF controls: Level control, backwash control, complete control Level control, automatic backwash device type RSL/DPR-OKF Industrial gravel filter systems KFE (single) and KFD (double) Pressureless industrial gravel-filter systems type OKF-2500-PE and type OKFI Compact-Deferrisation Systems Dirt filtration type SFZ Compact-deferrisation type BM and type BM-AIR Compact-deferrisation / demanganesation type MG Compact-deferrisation type ES (increase of ph-value) Compact-deferrisation / softening type MEV-CR1 and type MEV -CR2 Double-tank deferrisation / softening type DEW-CR1 and type DEW-CR2 Removal of humic acid (yellow colour) type MWO Softening Systems Information on soft water Cabinet softening type KAWK-D and type KAWK Double-tank cabinet softening system type KAP Single softening system type MWK-D and type MWK Hot-water softening type HMZK Double-tank softening system type DWK and type DWK-1/-2/-3 Industrial double-tank softening system type DWKI Automatic hardness-control device Information on DVGW-certification mark for water treatment systems Nitrate-Reduction Systems Information on nitrate Cabinet nitrate-reduction system type KAWN Single nitrate-reduction system type MWK Double-tank nitrate-reduction systems type DWN and type DWN-1/-2 Dosing Systems/Disinfection Compact-proportional system type NG5R and type NG10R Container-proportional dosing system type BD Dosing chemicals Information on UV-Oxidation UV-disinfection type UV11 UV60 Ultra-filtration filter candles type INDUWA Fresh Reverse Osmosis/Full Desalination Information on reverse osmosis Small-osmosis system type RO-5T50 Compact system type ROC, 100 l/h Full-desalination system type VEM (heater filling) Reverse-osmosis system type ROW l/h (wall system) Reverse-osmosis system type RO l/h (standing system) Reverse-osmosis system type RO l/h (standing system) Extras Backwash protection filter 1 2 type RF Plastic protection filter for 9 ¾ and 20 filter candles Connection/blending mountings, connecting hoses Membrane-pressure-container, pressure container Measuring instruments

2 Protection Filter for cold and warm water Water filter type RF, fit for backwash DIN/DVGW-approved according to DIN For a guaranteed consistent water quality in home and industrial installations via protection against solid particles. The highly effective backwash system cleans the complete filter area with a powerful and bundled water jet. Casing made of robust brass, incl. screw connections and manometer Transparent filter cup made of shock-resistant transparent plastic, incl. double-ended ring wrench Sieve insert made of stainless VA Ball valve with standard drain connection with ventilation openings Memory-ring as indication of upcoming manual backwash A supply of filtered water is available even during backwash Automatic backwash device (type Z11) available for retrofitting Other filter inserts available: filter fineness 20, 50, 200, 300, 500 µm. Filter fineness: 105 /135 µm p at nominal flow: 0,2 bar Operating pressure: min. 1,5 bar, max. 16 bar Operating temperature: max. 40 C (up to 70 C also available) INDUWA-Filter Type RF-1 RF-2 RF-3 RF-4 Connection Dimension Inch Rp 1 1 ¼ 1 ½ 2 Nominal Flow, max. m 3 /h 7,2 7, ,5 System Length, incl. Screw Connection mm Item Number Item Number with Backwash Device Backwash Device Type Z11 For fully automated backwash of filter RF. With automatic water inlet in case of power failure via battery mode. Applicable only in connection with listed backwash filter. Backwash time gaps: Backwash duration: Backwash water amount: 4 minutes - 3 months, tiered 25 seconds (non-adjustable) l, depending on filter size at 4 bar

3 Protection Filter for cold and warm water Water filter type RF-Flange, fit for backwash DIN/DVGW-approved according to DIN For a guaranteed consistent water quality in home and industrial installations via protection against solid particles. The highly effective backwash system cleans the complete filter area with a powerful and bundled water jet. Casing and filter cup made of red brass, incl. manometer Sieve insert made of stainless VA Ball valve with standard drain connection with ventilation opening A supply of filtered water is available even during backwash Automatic backwash device (type Z11) and differential-pressure switch available for retrofitting Other filter inserts available: filter fineness 50, 200, 500 µm Filter fineness: 105 /135 µm p at nominal flow: 0,2 bar Operating pressure: min. 1,5 max. 16 bar Operating temperature: max. 70 C INDUWA Filter Type RFF-1 RFF-2 RFF-3 Connection Value DN Nominal Flow, max. m 3 /h System Length mm Item Number Item Number with Backwash Device Backwash Device Type ZF11 For fully automated backwash of Filter RF. With automatic water inlet in case of power failure via battery mode. Backwash valve: Backwash time gap: Backwash duration: Backwash water amount: 1 ball valve (brass) 4 minutes - 3 months, tiered 25 seconds (non-adjustable) ca. 150 Liters at 4 bar Differential Pressure Switch Type DDS For the automated differential-pressure-dependent initiation of a backwash run. Adjustment range: 0,1-1,6 bar Applicable in combination with backwash device type Z(F)11 Item Nr.:

4 Protection Filter (plastic) 3 parts, housing head, transparent cup, union nut, candle filter made of plastic 1 For a guaranteed consistent water quality in home and industrial installations via protection against solid particles 3 parts, housing head, transparent cup, union nut Housing head made of plastic with brass connection sleeve Bleed screw Filter cup made of transparent plastic with O-ring-seal Filter insert: melt-blown candles (coiled candle available on demand) or coiled candle with activated carbon Filter candles need to be ordered separately and are available in the price list. Operating pressure: max. 8 bar Water temperature: max. 30 C System length: 120 mm Nominal flow: 4 m 3 /h INDUWA Plastic Filter Size 9 ¾ 20 Available Filter Fineness Coiled Candle with Activated Carbon μm μm System Height (total) mm Item-Nr ,75 5 Other connection sizes and degrees of filter fineness available on demand. 1,50 5

5 Tube Devider Type RTHB Type of installation 1 Security fittings according to DIN 1988 Technische Regeln für Trinkwasserinstallationen (Technical guidelines for drinking-water-installations). Prevents back-suction/-flow of notdrinkable water into the public water supply network. As security fitting mandatory for nearly all water treatment systems that are connected to a public supply network. Installation between sampling point and water treatment system. Casing made of red brass, with manometer Backflow preventer on exit side Connecting coupling with brass union nut Closing unit, backflow preventer, interior parts, drain connection and spring cap made of highquality plastics Valve rod and compression spring made of stainless steel Spindle guide with double O-ring-seal Seals made of NBR Medium: cold water Connection: Rp 1 - Rp 2 Pre-pressure: max. 16 bar Installation position: horizontal, spring cap upward Operating temperature: max. 40 C Min. inlet pressure: response pressure + 1 bar Backflow Preventer Type RTHB-3 RTHB-4 RTHB-5 RTHB-6 Connection Inch Rp 1 Rp 1 ¼ Rp 1 ½ Rp 2 System Length mm System Height (total) mm Flow at p = 0,3 bar m 3 /h 4, Item Number Response Pressure bar Optionally 0,5; 1,0; 1,5 or 2 bar (Default Setting 1,5 bar) Response pressure = Pressure of the fluid column up to the highest tapping point (ca. building height) + 0,5 bar ( = 5 m water column)

6 Connection Fittings For installation in e.g. softening systems in industrial, commercial and private sectors Casing made of brass Soft-material-seal made of a Perbunan mix Interior parts made of brass Operating pressure: max. 10 bar Water temperature: max. 90 C Main connection: Rp 1 Connection: G 1 p at 5 m 3 /h flow: 0,3 bar Bypass-Section DN 25 Item Nr.: Assembly Block DN 25 Item Nr.: Connecting Hoses Hose with textile coating made of stainless steel, DVGW certified, with flat-sealing unionnut-connections on both sides, very flexible and bend-resistant Operating pressure: max. 10 bar Operating temperature: max. 95 C Designation Connections Length Item Number Hose 1, 250 mm, straight G 1 x G mm Hose 1, 500 mm, straight G 1 x G mm Hose 1, 800 mm, straight G 1 x G mm Hose 1, 1000 mm, straight G 1 x G mm Special lengths also available with different connections and different cross sections.

7 Blending Fittings For installation in e.g. softening systems in industrial, commercial and private sectors. Once a residual hardness of the mixed water is specified, the blending fitting independently ensures that the hardness is kept constant, regardless of withdrawn water or pressure fluctuations. Operating pressure: max. 10 bar Water temperature: max. 90 C Red brass casing according to DIN 1705 Soft-material-seals made of Perbunan mix All other individual parts are made of brass, plastic or stainless steel Blending Fitting Type OV25 For direct connection to the softening system via tubes and hoses. Main connection: Rp 1 Connection: G 1 p at 4 m 3 /h flow: 0,3 bar Item-Nr.: Blending Fitting Type OV32 For installation in the bypass line for higher water demand. Connection: Rp 1 ¼ p at 6 m 3 /h flow: 0,3 bar Item-Nr.: Blending Fitting Type OV50 For installation in the bypass line for high water demand. Connection: Rp 2 p at 5 m 3 /h flow: 0,3 bar Item-Nr.:

8 Membrane-Pressure-Container Approved for pressure levels of PN 10 bar, with CE label. Steel container, lacquered model, standing model, with exchangeable, odour- and tasteless membrane made of Butil, suitable for drinking water. As pressure and water tank for single water-supply-systems, especially for compact deferrisation systems [type CR] (removal of iron, manganese and hardness via ion exchange), installed downstream of well/raw water pump. Main features: Pressure container made of sheet steel, lacquered in red, on 3 feet, incl. exchangeable membrane made of Butil 1 threaded socket for container connection 1 air-filling-valve 1 flange connection, at the bottom, for exchange of the membrane Operating pressure: max. 10 bar Environmental temperature: max. 40 C Water temperature: max. 50 C Img. 300 Ltr. container Nominal Volume: 200 Ltr. 300 Ltr. 500 Ltr. 750 Ltr Ltr. Container mm Container Height mm Container Connection R 1 ½ 1 ½ 1 ½ 1 ½ 2 Item-Nr.:

9 Pressure-Water-Container Steel container as upright model according to DIN 4810, with all required connections and hand holes, galvanized in an immersion bath (suitable for drinking water, according to DIN 50976). As pressure and water tank for single water-supply-systems, usually installed downstream of well/raw water pump. Main features: Pressure tank made of sheet steel with dished ends on both sides, on 3 feet 1 or 2 inspection hand holes, 100 x 150 mm. 3 threaded sockets Rp 2 2 threaded sockets Rp 1 ¼ 1 threaded sockets Rp 1 3 threaded sockets Rp ½ Operating pressure: max. 6 bar Environmental temperature: max. 40 C Water temperature: max. 40 C Nominal Volume: 150 Ltr. 300 Ltr. 500 Ltr. 750 Ltr Ltr. Container mm Container Height mm Number of Hand Holes Items Weight (empty) kg Item-Nr Pressure container made of stainless steel also available.

10 Measuring Instruments For fast and easy determination of water properties or substances in water. Measuring instruments in a handy design, delivery includes instructions. Measuring of: Range: Measuring method: Item-Nr.: Total hardness 2 x 15 ml Total hardness 1 x 15 ml Residual hardness 2 x 15 ml Carbonate hardness 2 x 15 ml dh dh 0,05-1 dh dh Count of drop addition until colour change Count of drop addition until colour change Count of drop addition until colour change Count of drop addition until colour change Iron, total Manganese 0,05-0,2 mg/l 0,25-15 mg/l 0,1-1,4 mg/l ph-value ph 1-11 Nitrate mg/l Defined drop addition with subsequent colour comparison Defined drop addition with subsequent colour comparison Defined drop addition with subsequent colour comparison Defined powder addition with subsequent colour comparison More measuring instruments available in demand.