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Series
GS/PS

Explosion-proof Ultra-Mag™ Level Switch
For Powder & Bulk Solids


Suspension Mount


Flange Mount

U.S. Patent #3,368,173; 3,349,203
Canadian Patent #801,168; 821,621

SPECIFICATIONS
Service: Compatible powder or bulk solids.
Wetted Materials: Mounting Flange: See model chart on "Ordering" page. Aluminum or 304 SS. Diaphragm: See model chart on "Ordering" page. Urethane, Buna-N, PTFE, Silicone Rubber, Polyester, Fluoroelastomer, White Buna-N (food grade), or EPDM.
Temperature Limits: Depends on diaphragm material, see model chart on "Ordering" page. Standard switch: -40 to 185°F (-40 to 85°C), high temperature switch: -40 to 350°F (-40 to 176°C).
Pressure Limit: 60 psig (4.14 bar).
Enclosure Rating: General purpose or weatherproof and explosion-proof. See model chart on "Ordering" page.
Switch Type: See model chart on "Ordering" page.
Electrical Rating: See model chart on "Ordering" page.
Electrical Connections: 18 gage solid core, 600 volt TEW 105°C, style 1015. Epoxy sealed at conduit entrance. 12" (304.8 mm) long.
Conduit Connection: 1/2" female NPT.
Process Connection: For flanged models standard is 8-3/8" (212.725 mm) diameter bolt hole circle.
Mounting Orientation: Flange mount or suspend depending on model.
Set Point Adjustment: Internal screw.
Weight: 7 lb (3.18 kg).
Options: Suspension kits and flange adaptor rings.
Agency Approvals: UL and CSA.

DIAPHRAGM SELECTION GUIDE
Product Suggested
Diaphragm*
Product Suggested
Diaphragm*
Product
Suggested
Diaphragm*
Abrasive
Aggregate
Alumina
Ash, Dry
Baking Powder
Baking Soda
Barite
Bark, Ground
Barley Ground or Meal
Barley, Whole
Beans, Edible
Bentonite
Bond, Foundry
Carbon Black
Cement, Kinker
Cement, Portland
Chips, Hogged Fuel
Coal
Compost
Core Sand, Foundry
Corn, Shelled
Diatomaceous Earth
Drill Mud
Flour
Fly Ash
Glass Batch
3D
3D
3D
3D
7B
7B
3D
6G
17
4B
4B
3D
17
7A
8A
4B
6G
3D
5A
3D
8A
7A
3D
7B
3D
3D
Gravel
Iron Ore, Crusted
Kaolin Clay
Lime, Hydrated
Lime, Stone
oats
Peanuts in Shell
Peanuts, Shelled
Perlite
Phosphate, Rock
Polyethylene Power
Polyethylene Resin
Polypropylene Fluff
Polypropylene Powder
Polypropylene Resin
Polystyrene Beads
Pot Ash
Powdered Metal
Powdered Ore
PVC Powder
PVC Resin
Rice
Rye
Salt
Sand, Dry
Sand, Dry Silica
3D
3D
3D
5A
3D
4B
7A
3D
7A
3D
7A
1
7A
7A
17
3D
3D
3D
3D
7A
17
17
3D
3D
3D
3D
Sand, Foundry Prepared
Sand, Shake Out
Sawdust, Dry
Sea Coal
Sesame Seed
Shale, Crushed
Silca, Flour
Sludge Sewage Dried
Sludge, Sewage, Ground
Soda Ash
Soybeans, Cracked
Soybean, Flake
Soybean, Flour
Soybean Meal
Soybean, Whole
Sugar Beets. Whole
Sugar Refined
Sunflower Seed
Taconite Pellets
Talcum Powder
Walnut Shells, Crushed
Wheat
Wheat, Wet
Wood, Chips
Wood, Dust
5A
3D
6G
3D
3D
3D
3D
1A
1A
3D
3D
7A
7A
3D
3D
6H
7B
7A
3D
3D
3D
8A
5A
6G
6G
*Diaphragm codes become 4th and 5th characters in model number.

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