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CHEM High precision gear pump for the chemical industry BOOSTER CHEM 4u? viscosity. The application range goes from classic transfer and metering tasks in the chemical and pharmaceutical industries up to the conveyance of monomers, oligomers and prepolymers during the polymerization process. Decades of experience in design and an optimum selection of materials, make this type of pump suitable for even the most demanding tasks and are outstanding in their reliability and metering precision in both vacuum and high pressure applications. Typical areas of application for this type of pump are to be found in the chemical, cosmetic, food, petrochemical and polymer industries. The CHEM series is also suitable for the food industry, e.g. for convey- @$7
???h5 9I!VB$?G @ the end customer. Technical Features Housing: Stainless steels, carbon steels, tantalum, titanium, Hastelloy ) 2h, ceramics Gears: 1.4112 (440B) but also all other processable ceramics and metals, e.g. 1.4571 (316Ti), Ferralium ) 2h, Ferro Titanite ) 2h, Hastelloy ) 2h, etc., optional: surface coating, spur gearing Friction Bearings: Carbon, NiAg (nickel-silver), silicon carbide (SIC), zirconium oxide, tool steel, Al-bronze, special materials, optional: surface coating Shaft Seals: Internal single mechanical seal (ED), % A? % A? % A? % A? ?B?P8Ha % A? % A? % A? % A? 2#42?5Rp % A? % A? % A? % A? 1xf Heating Systems: % A?% A? % A?AQ?T4?I#4 Operating Parameters Viscosity: 0,5 to 1.000.000 mPas Temperature: Up to 300 °C (580 °F), higher temperatures upon request Suction Pressure:% A?% A? % A? ?
qs)`0 Differential Pressure: Up to 120 bar (1.740 psig) The values listed are maximum values and must not coincide under certain circumstances. Pump Sizes From 22/6 (1,28 cm 3/rev) up to 280/280 (12.000 cm 3/rev). ?C4 3/rev). Application Examples Organic and Inorganic Chemicals: Alcohols, additives, bases, esters, glycerine, resins, hardeners, isocyanates, monomers, oils, phenol, acids, biodiesel, asphalt, bitumen, tar, hotmelt, glues, % A? % A? % A? ?&f` Polymers: Celluloseacetate, Nylon 66 ) 2h, prepolymers, etc. Food:  @?60 ?(% A? % A? % A? % A? % A? % A? $? Pharmaceutical and Cosmetic Products: Amino acids, lotions, shampoo, vitamins etc. Mechanical Seals Suction Pressure: Up to 15 bar (abs) (218 psig) Viscosity: 0,5 - 50.000 mPas (cP) Temperature: max. 300 °C (580 °F) Single mechanical seal (ED) Suction Pressure: Vacuum to max. 15 bar (abs) (218 psig) Viscosity: 0,5 - 1.000.000 mPas (cP) Temperature: max. 300 °C (580 °F) Double mechanical seal ? YP Suction Pressure: Vacuum to max. atmosph. pressure (abs) Viscosity: 0,5 - 100.000 mPas (cP) Temperature: max. 200 °C (392 °F) Single mechanical seal cC? Seals The CHEM MAGNET is in general designed in the same 6?Xr magnetic coupling as shaft seal. This operates slip- @6#f drive speed. qP2 "G)A! at high system pressures. Special versions can be used for inlet pressures of up to 500 bar (7.252 psig). 9E)t 6uf !?G)pwYq 1?ye??&v(? 3s(i "?uVP q
o A particular highlight of the WITTE Magnetic Coupling is the inner magnetic rotor‘s separate bearing. This svy@ !pPw is taken up by this bearing, thus relieving the pump‘s bearings. 3bS?Bs%Cc damaging the containment shell. In competitors design it is possible for the inner rotor to touch the contain - ?(vI?8b inner rotor can not touch the containment shell. Pump Sizes From 22/6 (1,28 cm 3/rev) to 180/180 (3.200 cm 3/rev). The values listed are maximum values and must not coincide under certain circumstances. Technical Features Housing: Stainless steel, tantalum, titanium, Hastelloy ) 2h, ceramic Gears: 1.4112 (440B) but also all other processable ceramics and metals, e.g. 1.4571 (316Ti), Ferralium ) 2h, Ferro Titanite ) 2h, Hastelloy ) 2h etc., optional: surface coating, spur gearing Friction Bearings: Carbon, NiAg (nickel-silver), silicon carbide (SIC), zirconium oxide, tool steel, % A? % A? % A? % A? )Ir?f Heating Systems: Water, heat transfer oil Operating Parameters Viscosity: 0,5 to 30.000 mPas (cP) Temperature: Up to 350 °C (662 °F) Suction Pressure: Vacuum to max. 500 bar (7.252 psig) Differential Pressure : Up to 120 bar (1.740 psig) Inner rotor MagnetsFlange bearing Vent Bearings Driven shaftDrive shaft Containment shell Outer rotor ill. CHEM MAGNETIC COUPLING Metering System The WITTE metering system (WDS) enables precise 75$? $?u7%1T?P39`8 series connected gear pumps, one measuring and one pressure boosting pump are precisely controlled by a PLC control system, such that a precision of better than 0.1% is achieved, depending upon the medium. Special Pumps Aq#th01h special pumps, e.g. made of ceramic, tantalum, titanium or immersion pumps. Many of these pumps are custom built to 35R??- ters. WITTE for example produced one such pump, made completely of ceramic, for transporting a highly corrosive medium at temperature 550° C. Metering Systems / Special Pumps Special pumps examples SizeABC D "C1? 2V$‘GH IJ KK1 LL1 MWeight 1/1 (22/6) 20011 611 2 80 20/15 1118 4011 0 983 11 0 120 147 856 Kg 1/2 (22/13) 20011 611 2 80 20/15 1118 4011 0 986.5 113.5 127154 856 Kg 1 (22/22) 200180 11 2 80 21.3 1118 4011 0 991 11 8 136 163 856 Kg 2 (28/28) 235208138108 33.7 162240130 11109 138160189105 15 Kg 3 (36/36) 250214152 11 4 48.3 191660140 12124 157188221 11 0 20 Kg 4 (45/45) 234244176134 60.3 242575170 14148 186226265135.5 26 Kg 5 (56/56) 360264210168 60.3 3227100 220 20195.5 239.5289.5333.5 16050 Kg 6 (70/70) 350346258208 76.1 382711 5 250 22225.5 275.5338.5388.5 191125 Kg 7 (90/90) 498416300269 88,9 4842130 310 28265 329405469237220 Kg 8 (110/110) 470488380310 114,3 6042180 410 28319 478384543287340 Kg 9 (140/140) 600538454340 168,3 7047230 430 28410 457612669344500 Kg 10 (180/180) 800* 1 590440 219,1 * 2 65285 520 33617 617902902450700 Kg Size Spec. displacement volume (cm 3/rev) Capacity (l/h)* 1/1 (22/6) 1,2820 - 200 1/2 (22/13) 2,7840 - 400 1 (22/22) 4,770 - 700 2 (28/28) 10,2140 - 1400 3 (36/36) 25,6280 - 2800 4 (45/45) 46,3410 - 4100 5 (56/56) 92,6650 - 6500 6 (70/70) 176990 - 9900 7 (90/90) 3711600 - 16200 8 (110/110) 7162500 - 25300 9 (140/140) 1.3423800 - 37800 10 (180/180) 3.2006900 - 69100 11 (224/224) 6.10011000 - 106000 12 (280/280) 12.00017000 - 170000 CHEM Dimensions CHEM Transfer Metering Pressure increase (G?9b Operating Conditions Size / Displacement Volume / Capacity D L 1 L F ?? TP B E C G K K 1M H J I wB
? * 1 Upon Request *2 W100 x 2,5 x 38 / DIN 5480 Pump Sizes 10/2018 CHEM ENG PDF VERSION REV 1.2 WITTE PUMPS & TECHNOLOGY GmbH Lise-Meitner-Allee 20 D-25436 Tornesch / Hamburg / Germany P: +49 (0) 4120 70659-0 F: +49 (0) 4120 70659-49 info@witte-pumps.com www.witte-pumps.com