74780

## Large Size – Engineered Plastics 

Select from these Engineered Plastics for Aggressive or Ultra-Pure Liquids Each of these series offers unique features. Choose from this selection when all-plastic material is desirable and tank space is not restricted. 

LS-74780 – LS-1900TFE LS-1700TFE All CPVC Particularly well suited Resists build-up of A medium-size solution | , \ ce \ C€ for rough service. Ideal foreign material or for ultra-pure liquid for use in chemical and sticky media. Float travel level sensing. Made plating applications. remains uninhibited in of corrosion resistant viscous or corrosive PTFE for low particle liquids. SPDT switch. generation. 

## Dimensions 

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LS-74780 LS-1900TFE LS-1700TFE<br>Lo<br>TEFLON   JACKETED® WIRE. 22 AWG.<br>PVC JACKETED LEAD WIRES TEFLON JACKETED<br>LEAD WIRES 24˝ TO 26˝<br>1/4˝ NPT (610 mm to 660 mm)<br>1/4˝ NPT EXTENDED LENGTH<br>13/16˝ 1/8˝  NPT REF.<br>4 (16.7 mm21/32˝ ) (15.9 mm)5/8˝ HEX i (20.6 mm) 21/32˝ HEX(16.7 mm) (15.9 mm)5/8˝  REF. a e 1/2˝  HEX. REF.<br>.92˝ (12.7 mm)<br>3-7/16˝ ) (19.1 mm)3/4˝ [†] ie 3-15/32˝ | (22.3 mm) [†] a d 7 2-1/2˝  REF.(63.5 mm) | —- ACTUATIONLEVEL &-<br>(87.3 mm) 1-13/16˝ (88.1 mm)<br>(70.6 mm)2-25/32˝ (46.0 mm) (67.5 mm)2-21/32˝ (49.2 mm)1-15/16˝ 1-31/32˝  REF.(50.0 mm) #174105. FLOAT<br>#174106.<br>RETAINING<br>yy ‘ T y 1-1/8˝  Bi n; CLIP<br>1-1/2˝ DIA. DIA. REF. 5/16˝<br>(38.1 mm) 2-1/8˝ DIA. (28.5 mm) DIA. REF.<br>LA i J Le— (54 mm) _| Li (7.9 mm) bel - | L<br>†L1=Switch actuation level, nominal (based on a liquid specific gravity of 1.0 and N.O. dry circuit–dimension will vary for N.C. circuit).<br>Common Specifications<br>**----- End of picture text -----**<br>


**Electrical Termination:** No. 18 AWG, 24˝ L., Lead Wires (Jacket material is indicated on dimensional drawings, above). 

How To Order – Select Part Number based on specifications required. 

|**Series**<br>**Number**<br>~~ee~~|**Materials**<br>~~eeee~~|**Materials**<br>~~eeee~~|**Min. Liquid**<br>**Sp. Gr.**<br>~~ee~~|**Operating Temperature**<br>~~ee~~|**Pressure,**<br>**PSI,**<br>**Max.**<br>~~ee~~|**Switch***|**Part Number**|**Part Number**|
|---|---|---|---|---|---|---|---|---|
||**Stem, Mounting**<br>**and Other Wetted**<br>~~ee~~|**Float**<br>~~ee~~|||||**Mounting Size**||
||||||||**1/4˝ NPT**|**1/8˝ NPT**|
|LS-74780<br>~~ee~~|CPVC<br>~~ee ee~~<br>~~———————~~||.85<br>~~ee~~<br>~~———————~~|-40°F to +180°F(-40°C to +82.2°C)<br>~~ee~~<br>~~———————~~|15<br>~~ee~~<br>~~———————~~|SPST,20 VA<br>~~———————~~|**74780****<br>~~———————~~|**—**|
|LS-1900TFE|Teflon®<br>~~———————~~||.80<br>~~———————~~|-40°F to +300°F(-40°C to +148.9°C)<br>~~———————~~|30<br>~~———————~~|SPDT,20 VA<br>~~———————~~|**133299**<br>~~———————~~|**—**|
|LS-1700TFE|PTFE<br>~~———————~~<br>~~pe~~||.86<br>~~———————~~<br>~~pe~~|+32°F to +212°F (0°C to +100°C)<br>~~———————~~<br>~~pe~~|25<br>~~———————~~<br>~~pe~~|SPST,20 VA,N.O.<br>~~———————~~<br>~~pe~~|**—**<br>~~———————~~<br>~~pe~~|**174100**|
|||||||SPST,20 VA,N.C.<br>~~pe~~|**—**<br>~~pe~~|**174200**|



ZW **A-12** 

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