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MATERIALS BETE manufactures nozzles in hundreds of different materials and combinations of materials. The chart on this page shows the 40 materials most often specified. If you don’t know which material is best for your application, BETE Applications Engineering can help you with your selection. Some factors that influence the nozzle material selection process are: Temperature. Melting or softening of material establishes maximum temperature limits. However, these temperature limits must be reduced when corrosion, oxidation, or chemical attack are also present. See column in blue for general temperature limits for various materials. Corrosion. Plastics offer superior corrosion resistance at relatively low cost, but can only be used in low‑temperature applications. In general, metals can be ranked in the following order of corrosion resistance (from lowest to highest): cast iron, brass, stainless steels, nickel‑based alloys, refractory metals and precious metals. Ceramics have excellent corrosion resistance except in very high pH environments. Chemical attack. There are few general guidelines to this complex subject, but the material used for piping may provide a useful indicator of a suitable nozzle material. If the environment of your application is known to The following are registered trademarks: Teflon®, Viton® (E.I. DuPont de Nemours & Co.); Hastelloy® (Haynes International, Inc.); Incoloy®, Monel® (The International Nickel Company, Inc.); Inconel® (Inco Nickel Sales, Inc.); Kynar® (Penwalt Corporation); REFRAX® (Carborundum Company); and Stellite® (Stoody Deloro Stellite, Inc.); M&M (Mars, Inc.) The BETE logo and MaxiPass are registered trademarks of BETE Fog Nozzle, Inc. ©BETE Fog Nozzle, Inc. contain substances which may attack the spray nozzle, contact BETE Applications Engineering for advice. Abrasion. Hardened stainless steel, Cobalt Alloy 6, tungsten carbide, and ceramics are commonly used in applications where abrasive fluids are sprayed. Cost. There are exceptions, but materials can generally be ranked in the following order in terms of cost (from lowest to highest): brass, stainless or carbon steel, plastics, stainless steels, cobalt‑ base alloys, nickel‑base alloys, ceramics, refractory metals and precious metals. BETE Material (DIN) No. (MN) Description Brass Naval Brass Bronze L.C. Steel 303 304 304L 316 Tungsten Carbide Alumina 316L 317 317L 416 904L Alloy 20 Nickel Alloy M30C Nickel Alloy 600 Nickel Alloy 625 Nickel Alloy 800 Nickel Alloy 825 Nickel Alloy B Material Description Trade Name* Carpenter® 20 Monel® Inconel® 600 Inconel® 625 Incoloy® 800 Incoloy® 825 Hastelloy® B w/2.5 Max. Co Hastelloy® G Hastelloy® G30 Hastelloy® C276 Hastelloy® C22 Nickel Alloy G 32 2.4619 2000° Nickel Alloy G30 49 2.4603 2000° Nickel Alloy C276 81 2.4819 2000° Nickel Alloy C22 2A 2.4602 2000° Nickel 38 Nickel 650° Titanium 11 Titan 900° Tantalum 40 Tantal 2700° Zirconium 61 Zirkonium 1000° Cobalt Alloy 6 9 1900° Stellite® 6 SNBSC ceramic 62 3000° Refrax® RBSC ceramic 59 2500° PTFE 3 PTFE 300° Teflon® PVDF 36 PVDF 245° Kynar® PVC 1 PVC 135° CPVC 16 CPVC 180° Polypropylene 2 Polypropylen 155° UHMW 17 180° Polyurethane 69 176° ABS 15 155° * BETE does not represent that it manufactures its products with materials sold under any of these brand names. Customers sometimes ask for BETE products without using a USA standard specification for the material they require. When materials are described incompletely, with DIN specifications or with a commonly used brand name, BETE will usually supply materials according to the USA specifications listed above. Specifications f

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MATERIALS 1Pages

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MATERIALS
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