ROTARY PISTON PUMPS THE FEED PUMP TYPE SKK Type SKK • rotation-independent • safe to run dry (no metal contact) • sturdy construction with one-sided bearing • power transmission gears in the oil bath • additional bearing in the cover for higher pressures • several sealing types • easy assembly • several types of pipe connections Type SKKM • casing with cover heating • entirely closed heater jacket • any heating with water, steam or oil is possible • heating circuit-pressure max. 6 - 8 bar • heating temperature up to 200 °C (standard), higher temperatures on request Type SKKE • electrical cover heating • heatable by 2 heating cartridges • temperature controlled • adjustable up to 200 °C (standard), higher temperatures on request The variants of the feed pump SKK Förderpumpe T Feed pump SKKE Biotechnology Cell suspensions, enzymes, nutrient solutions Chemistry Adhesives, artificial resin solutions, colours, dispersed synthetic resin, gelatine, lacquers, underseal, washing powder slurries Beverage industry Advocaat, beer mash, fruit concentrates, malt extract, syrup, yeast Milk products Butter, cheese curd, cream, margarine, mayonnaise, concentrates of milk, skimmed milk and whey, pudding, processed cheese, yoghurt Food Apple purée, aspic, baby food, blood, cake mixtures, egg products, animal and vegetrable fat, honey, jam, mustard, salads, sauces, sausage meat, soups, tomato ketchup Petrochemistry Additives, bio diesel, bitumen with fillers, diesel oil, glyzerine, lubricants, mineral and synthetic oils, pitch, pure bitumen Pharmaceutics / cosmetics Cremes, foam bath, make-up, lotions, plant extracts, ointments, shampoo, toothpaste Sugar / Sweets Chocolate, chocolate fillings, cocoa butter, cocoa mass, fondant, jam, liquid sugar, liquorize, mass for sweets, molasses, starch solution, toffee Range of pumping liquids (extr.) Feeding capacity 60 - 1.700 cm³ / turn Tolerated overpressure depending on the application up to max. 20 bar Viscosity range depending on the application up to 100.000 mm²/s Reference technical data Feed pump SKK Feed pump SKKM

2 Main characteristics The series of the types SKK offers a wide range of different variations and constructions for the transport of nearly all pumpable media. The pump consists of the gear component with synchronous drive of the two rotary pistons and the part of the pump containing the casing with suction and pressure joint and the two rotary pistons. The sturdy bearing is located in the gear component, protected against the pumping liquid by different seals. On the other hand, special seals prevent any leaking of the transmission lubricant out of the gear component. Since the pistons and...

3 Type G Type P The closed piston type P is used for media of higher viscosity in combination with the shaft seals P and SS. The open piston type G is used for media of low viscosity in combination with the shaft seals G and GG. Variants of pistons and covers Recipients Recipient (unpressurized) made of natural glass Stainless steel-recipient to be pressurized, conform to ATEX Stainless steel-recipient to be pressurized with float switch, conform to ATEX Thermosiphon system to be pressurized with cooling spiral and backfeed pump, conform to ATEX

4 Survey of structural components Cover G Rotary piston P Cover P Rotary piston G Clamp-port Flange port Milk pipe port Thread port Customer port (1 Cover jacket heated (M) (3 Cover electr. heating (E) (3 Main structural components of the pump Connection variants at the pressure and suction port Optional structural components Optional, heatable covers Pressure relief valve

5 Gear G Gear P Casing G Casing P Shaft seal P Shaft seal SS (1 If you do not find your connection here, please contact us! (2 Recipient for quench liquid acc. to ATEX. The thermosiphon system that is also available is not shown here. (3 The heatable covers that are available as an alternative to the standard covers are available as G and P variants. Shaft seal G Shaft seal GG Recipient QB1000 (2 Recipient QB500 The parts of the SKK pump shown in the survey of structural components shall illustrate the great amount of variants available for this pump type. For reasons of clarity we cannot show...

7 Examples for orders SKK pump type 5 size 1700 volume cm³/turn GG with mechanical seal with double effect D with pressure relief valve in the cover GKGM base plate, coupling, gear motor SKK 5/1700 GGD-GKGM Versions Cast casing parts: shafts: pistons: shaft seal: grey cast iron or nodular iron case hardening steel tempering steel or zinc-free bronze see shaft seals Zinc-free bronze casing parts: shafts: pistons: shaft seal: zinc-free bronze stainless steel stainless steel or zinc-free bronze see shaft seals Stainless steel casing parts: shafts: pistons: shaft seal: stainless steel stainless steel...

8 Gebr. Steimel GmbH & Co. Pumps and centrifuges P.O.Box 1565 Johann-Steimel-Platz 1 Phone: +49 (0) 2242 8809 -0 53762 Hennef 53773 Hennef Fax: +49 (0) 2242 8809 -160 Deutschland • Germany • Allemagne • Alemania http://www.steimel.com • [email protected] Examples for types SKK.2-12-2007-en • © 2007 Gebr. Steimel GmbH & Co., Hennef • Modifications reserved. For the food and chocolate industry For the colours and lacquers‘ industry For bitumen treatment For the chemical, pharmaceutical industry and petrochemistry e.g. rotary piston pumps for bitumen conveyor and mixing plants Compact pump unit SKKE...