Small Size - Alloys

Small Size - Alloys
Small Size - Alloys
LS-7 Series - Compact Alloy and Alloy/Plastics Side Mounts
LEVEL SWITCHES – SINGLE POINT
Built for durability, our LS-7 Series switches utilize stainless steel, or zinc
bodies. Ideal for any small tank or vessel destined for a rugged environment.
All-stainless steel material of construction of Types 9 and 11 is generally
recognized as safe with FDA for food contact regulations.
Type 6 – External Mounting
Type 8 – External Mounting
Polysulfone float. Zinc alloy body with polypropylene or
nylon float. SAE Mounting.
Zinc alloy body with nylon
or polypropylene float.
Type 9 – External Mounting
Type 11 – Internal Mounting
316 Stainless Steel body with 316 SS,
nylon or polypropylene float.
316 Stainless Steel body
with 316 SS float.
Dimensions
Type 6
Type 8
LEAD WIRES,
24˝ EXTENDED
1.40˝
(36 mm) REF.
Common Specifications
3-29/32˝ REF.
(99.2 mm)
3.38˝
(86 mm) REF.
Switch Rating*: SPST, 20VA
1-1/32˝ REF.
(26.2 mm)
5/16˝ REF.
(8 mm)
Lead Wire Gauge: No. 22 AWG
Mounting Attitude: Horizontal.
*See “Electrical Data” on Page X-5 for more information.
11/16˝
(17 mm) REF.
7/8˝ (22 mm)
-14 JAM NUT
1.00˝
HEX
#22 AWG ZIP CORD
LEAD WIRES
24˝ EXTENDED
7/8˝ (22 mm)
-14UNF THD
Type 9
LEAD
WIRES,
24˝
EXTENDED
5/8˝ WRENCH
FLAT
1/2˝ NPT
Type 11
1-5/8˝ REF.
(41.3 mm)
5-5/16˝ REF.
(135 mm)
1/2˝ NPT
5/8˝ DIA. REF.
(15.9 mm)
.83 REF.
(21 mm)
LEAD WIRES,
24˝ EXTENDED
4-9/16˝ REF.
(116 mm)
5/8˝ (16 mm)
-11 JAM NUT
WITH VITON GASKET
5/8˝ (16 mm)
-11 THD
A-8
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5/8˝ (16 mm)
DIA. REF.
FLOAT TYPE
Depending on the mounting position, the float on these switches can either rise or lower
with the liquid level. By rotating the switch 180°, the switch operation can be Normally
Open or Normally Closed.
Normally Open
Normally
Closed
FLOAT ARC
ENVELOPE
When the switch is mounted
so that the float lowers with the
liquid level, the switch is N.O.
When the switch is mounted
so that the float rises with the
liquid level, the switch is N.C.
LEVEL SWITCHES – SINGLE POINT
Switch Operation
How To Order – Select Part Number based on specifications required.
Mounting
Type
6
8
9
11
Materials
Stem and
Mounting
Zinc
Alloy*
Zinc
Alloy*
316
Stainless
Steel
Float
Nylon
Polypropylene
Nylon
Polypropylene
Lead Wire
Jacket
TFE†
TFE†
316 S.S.
Nylon
TFE
†
Polypropylene
316 Stainless Steel
Teflon
®
Min.
Liquid
Sp. Gr.
Operating Temperature
Operating
Pressure, Max.
Float Arc
Envelope
Part
Number
.65
-40°F to +250°F (-40°C to +121°C)
100 psi @ 70°F
1.36
155660
.75
-40°F to +225°F (-40°C to +107°C)
150 psi @ 70°F
1.36
179870
.65
-40°F to +250°F (-40°C to +121°C)
100 psi @ 70°F
1.40
160950
.55
-40°F to +225°F (-40°C to +107°C)
150 psi @ 70°F
1.40
162795
.80
-40°F to +300°F (-40°C to +149°C)
300 psi @ 70°F
1.43
164870
.65
-40°F to +250°F (-40°C to +121°C)
100 psi @ 70°F
1.40
164850
.55
-40°F to +225°F (-40°C to +107°C)
100 psi @ 70°F
1.40
164860
.80
-40°F to +300°F (-40°C to +149°C)
300 psi @ 70°F
1.65
179445
†
Thermoplastic Elastomer Zip Cord.
– Stock Items.
*Zinc Alloy Material Note:
When mounted in certain cathodic metals, including stainless steel, and used in
water-based liquids, galvanic corrosion may occur. Consult factory for information.
Visit www.GemsSensors.com for most current information.
A-9
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