SOR 200 series User Manual

Registered Quality System to ISO 9001:2008
36/60
Form 912
sorinc.com
913-888-2630
The 730 Series mechanical liquid level switches are dual-stage, displacer-operated switches
suitable for top-insertion tank mounting. Select the sensing unit from the following charts. Then
refer to pages 44 - 50 for switching elements, housings and accessories.
Select a model series from the charts below based on maximum operating pressure and minimum
specific gravity.
Maximum Working Pressure
Step 1: Model Series
731 A-F7A-B-A2-N4-CRTT
Step 2: Process Connection Material
731 A -F7A-B-A2-N4-CRTT
Select a process connection material from the chart below. Maximum working pressure in the chart
above is based on the material selected here. Consult the factory for alternative materials.
Displacer units are not available over 450
o
F (232
o
C).
730 Series
Model
Series
Minimum
Specific
Gravity
Function
Connection
Style
Displacer
Material
Connection
Material
Pressure Rating - psig (bar)
100°F (38°C) 450°F (232°C)
730 0.72
Narrow
Differential
NPT
Porcelain All 1000 (69) 750 (52)
731 0.64 SS All 1000 (69) 750 (52)
732 0.72 Flange Porcelain
A105 285 (20) 185 (13)
316SS 275 (19) 182 (13)
733 0.64 Flange SS
A105 285 (20) 185 (13)
316SS 275 (19) 182 (13)
734
0.64
Wide
Differential
NPT
Porcelain All 1000 (69) 750 (52)
735 SS All 1000 (69) 750 (52)
736 Flange Porcelain
A105 285 (20) 185 (13)
316SS 275 (20) 182 (13)
737 Flange SS
A105 285 (20) 185 (13)
316SS 275 (19) 182 (13)
Designator Material
A A106 Carbon Steel fittings or flanges
C A182-TP316/316L Stainless Steel fittings or flanges
*An operating specific gravity is required for all 730 series at time of order.

SOR 200 series Specifications

General

Brand	SOR
Model	200 series
Category	Switch
Language	English