Catalog page: Multi-Point Liquid Level Switches (M Series)
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M Series Multi-Point Liquid Level Switches Madison Company offers a complete line of Standard and Configured (slightly modified Standard designs) models. These products continue to meet the needs of applications in many markets, at competitive prices. In addition, Madison Company offers the capability to design specific liquid level switches for OEM applications that require unique considerations in materials, configurations and system interfacing. LL Engineered designs incorporate over 50 years of experience in liquid level switch applications in a variety of environments and installation configurations. High reliability of the magnetic reed switch technology assures repeatability at an economical price. Our design experience and flexible manufacturing techniques also offer customers many value-added design and assembly options to reduce their product cost. A selection of engineered multi-level switches Features • • • • • • • Multi-point Customer-designed Magnetic reed switch technology High reliability Wide selection of available materials Three basic sizes: full, miniature and subminiature Direct interface to controllers available Madison Company • (203) 488-4477 • (800) 466-5383 • Fax (203) 481-5036 • info@madisonco.com • www.madisonco.com © Copyright Madison Company – 3/11 LL-45

Material Selection Guide The first consideration is the type of liquid, temperature and pressure to which the switch will be subjected. Madison manufactures liquid level switches in various styles, in a variety of materials, to cover a broad range of conditions. Following are some basic recommendations for selecting the proper liquid level switch material for your application. LL COMPONENT See Approvals pages in Reference Section Material Application 316 Stainless Steel For high-temperature (to 300˚C), high-pressure (to 300 PSIG) and corrosive conditions. Commonly used in food processing,...

M Series Stainless Steel Liquid Level Switches Multi-Point Switches f Also available in Polysulfone (consult factory). PP=Polypropylene ** Refer to Approvals pages in Reference Section. Individual product explosion-proof (E) approvals vary. Consult factory for current product listings. Most Common Mountings and Options* An expanded list of U.S. fittings and European BSPP and BSPT fittings is available in our e-catalog at www.madisonco.com Multi-point switches are available in many materials and configurations and can contain as many float actuation points as the application and switch...

M Series Plastic Liquid Level Switches Multi-Point Switches f Also available in Polysulfone (consult factory). PP=Polypropylene ** Refer to Approvals pages in Reference Section Most Common Mountings and Options4 An expanded list of U.S. fittings and European BSPP and BSPT fittings is available in our e-catalog at www.madisonco.com. Multi-point switches are available in configurations containing up to six different levels, providing maximum flexibility for each user. These rugged units can be mounted within any vessel, utilizing either male pipe threads, pipe plugs, flanges or bulkhead...

M Series Brass Liquid Level Switches Multi-Point Switches PP=Polypropylene ** Refer to Approvals pages in Reference Section Most Common Mountings and Options* An expanded list of U.S. fittings and European BSPP and BSPT fittings is available in our e-catalog at www.madisonco.com. Multi-point switches are available in configurations containing up to six different levels, providing maximum flexibility for each user. These rugged units can be mounted within any vessel, utilizing either male pipe threads, pipe plugs, flanges or bulkhead fittings. The length of each switch, as well as the...

M Series Multi-Point Switch Kits These easy-to-use, Do-It-Yourself Kits provide the user with the opportunity to optimize their own multi-point switches and fabricate them in the field from the kit components. The standard ML-XXXX kits are furnished with two floats and a 2" pipe plug. Maximum stem length is 36" (914.4mm). Users who require a 3rd or 4th level can purchase adder kits as follows: Kits are also available with Bent Stem (ML-XXXX-BENT). Bend angle is 90°. Stainless Steel * Must be ordered in conjunction with ML-XXXX ** Must be ordered in conjunction with ML-XXXX-LVL3 For full...