Small Size - Engineered Plastics Ordering is Easy! See Page B-6. Easy online ordering too! LS-300 Engineered Plastics Series Brings Multi-Point Switching to Shallow Tanks Your most complete line of small, polysulfone liquid level switches...all from Gems Sensors. LEVEL SWITCHES - MULTI POINT All-Plastic Wetted Parts 1 to 4 Actuation Levels Lengths to 20 inches (50cm) U.L. Recognized; CSA Listed Versions Available Designed for the high quantity needs of the OEM, LS-300 Series Switches are the ideal level sensor for shallow tanks and reservoirs. Compact and versatile, these low-cost, plastic level switches offer a broad choice of mountings and float materials. The following pages illustrate the various design parameters available to configure custom LS-300 Series Switches. 1. Mounting Types Each mounting type can be configured with stem lengths (LO) and float materials indicated in this bulletin. NPT Threads Straight Threads Type 21 1/8˝ NPT .49 12.3 Type 22 1˝ NPT 1/8˝ NPT .14 4 LO Type 31 3/8˝ - 24 .25˝ 6.4 1.38˝ 35 HEX 1˝ NPT .49˝ 12.3 3/8˝ - 24 STRAIGHT THREAD 1.07˝ 27 .50 HEX 13 Type 32 1-5/16˝ - 12 .50˝ HEX 13 LO .20˝ 5 LO .49˝ 12.5 G1/4˝ (1/4˝-19 BSP) Type 42 G 1˝ (1˝ - 11 BSP) 1.63˝ HEX 41 .63˝ HEX 16 .20˝ 5 LO M12 x 1.5 STRAIGHT THREAD .20˝ 5 .47˝ 11.9 .63˝ 16 G1˝ (1˝ -11BSP) BUNA " N " O-RING .59˝ 15 LO LO .63˝ HEX 16 LO Type 11 No Mounting Type 711 5/8˝ - 11 1.33˝ 1.00˝ (34) (25) LO .437˝ (11.1) FLATS 5/8˝-11 THREAD (2) GASKET (BUNA) (2) WASHER (NYLON) 1.33˝ 1.00˝ (34) (25) 1-5/16˝ - 12 STRAIGHT THREAD LO Type 51 M12 x 1.5 Straight Thread .240˝ 6.1 PG13.5 THD. 1.50˝ HEX 38 .25˝ 13.2 Compression Types Metric Threads Type 41 G 1/4˝ (1/4˝ - 19 BSP) Type 33 5/8˝ - 11 .437 (11.1) FLATS JAM NUT 5/8˝-11 THREAD (NYLON) WASHER (NYLON) LO COMPRESSION GASKET (HNBR, BLACK) Flange Mountings2 Type 61 2˝ O.D. Flange Type 63 Pop Flange POP-IN FLANGE .156˝/4 DIA. (4) HOLES EQUALLY SPACED AS SHOWN ON A 1.50˝/38 B.C. .13˝ 3 .25˝ 6 .19˝ 4.8 .50˝ 13 2˝ DIA 51 Stem, Mounting and Collar Material BUNA " N " GASKET LO LO MOUNT IN ø1.31˝ - 1.32˝ OPENING Polysulfone, Noryl® Max Length (L0) 20 inches (50 cm) Tolerance of L0 = ±1/16˝ (2 mm) Mounting Position Vertical ±30° Inclination Notes: 1. Type 71 mounting to be used with 3/4˝ diameter float only. 2. Not recommended for pressure applications. B-3 .58˝ 15 Visit www.GemsSensors.com for most current information. Dimensions expressed as: inches millimeters LS-300 Series / p1of4 / 08-MAR-17http://ecatalog.gemssensors.com/ecatalog/configurators/LS300 http://www.GemsSensors.com