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SOR 200 series User Manual

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Registered Quality System to ISO 9001:2008
Mechanical
Level Switches
Features and Benefits
Five-year warranty
ASME Section IX and AWS qualified
welding system
Designed to ANSI/ASME B31.1 and
B31.3 guidelines
Hermetically sealed switching
mechanisms available
Stainless steel switching mechanisms
High-temperature capability
Wide variety of explosion-proof housings
Versatile switching mechanisms which
retro-fit into other manufacturers’ units
SOR
®
mechanical level switches
are rugged, industrial products specifically
designed for versatility of application. This catalog
contains application and ordering data for float and
displacer-operated level switches. Switches are
available with flanged or sealed chambers or
as insertion models.
Options available for each type of switch
include: switch type and number, housing type,
chamber material, process connections,
accessories, and more. Units may be
customized to suit customers’ needs.
Inside this catalog you will find solutions to
your level sensing puzzles. SOR mechanical
level switches have many configurations
available. If you don’t see what you need, we
will engineer a solution for your application.
Form 912
sorinc.com
913-888-2630
100 Series
200 Series
700 Series
Worldwide listings and certifications
Quick worldwide delivery
Only ASTM grade materials with
certified mill test reports used
Safety Certified to IEC 61508 (SIL)
SOR products are certified to IEC
61508 for non-redundant use in
SIL1 and SIL2 Safety Instrumented
Systems for most models. For more
details or values applicable to a
specific product, see the Safety
Integrity Level Quick Guide
(Form 1528).
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SOR 200 series Specifications

General IconGeneral
BrandSOR
Model200 series
CategorySwitch
LanguageEnglish

Summary

Principles of Operation

Float-Operated Level Switches

Explains float mechanism for series 100, 200, 300, 108/208, 400.

Displacer-Operated Level Switches

Explains displacer mechanism for series 700, 730, 740, 750, 800.

Features and Benefits

General Features and Materials

Details on product quality, warranty, materials, construction, gaskets, and trim.

Switching Mechanisms and Housings

Information on switch types, housings, quality assurance, and safety certifications.

Product Support

Details on factory engineering support and customer service.

How to Order

Model Number System

Explains the structure and components of the level switch model number.

Ordering Steps and Selection Guide

Outlines the steps for selecting components and building a model number.

100 Series Mechanical Level Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure, specific gravity, and temperature.

Chamber, Trim, and Process Connection

Options for chamber, trim materials, and process connections for the 100 Series.

Calibration and Dimensions

Typical set points and physical dimensions for 100 Series models.

200 Series Mechanical Level Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure, specific gravity, and temperature.

Chamber, Trim, and Process Connection

Options for chamber, trim materials, and process connections for the 200 Series.

Calibration and Dimensions

Typical set points and physical dimensions for 200 Series models.

108/208 Series Mechanical Level Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure, specific gravity, and temperature.

Chamber, Trim, and Process Connection

Options for chamber, trim materials, and process connections for the 108/208 Series.

Chamber Dimensions

Physical dimensions for 108/208 Series models.

300 Series Mechanical Level Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure and specific gravity.

Process Connection and Trim Material

Details on process connection material and internal trim options.

Unit Dimensions

Physical dimensions for 300 Series standard and tandem float units.

400 Series Mechanical Level Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure and specific gravity.

Chamber, Process, and Trim Material

Options for chamber, process connection, and trim material for the 400 Series.

Dimensions and Housings

Chamber dimensions, housing options, and related details for the 400 Series.

741-743 and 802 Series Displacer Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure and specific gravity.

Chamber, Process, and Trim Material

Options for chamber, process connection, and trim material for these series.

Calibration and Chamber Dimensions

Typical set points and physical dimensions for 741-743/802 Series.

740 and 804 Series Displacer Switches

Model Series and Pressure Ratings

Guide to selecting models based on pressure and specific gravity.

Chamber, Process, and Trim Material

Options for chamber, process connection, and trim material for these series.

Calibration and Chamber Dimensions

Typical set points and physical dimensions for 740/804 Series.

700 Series Displacer Switches

Model Series and Pressure Ratings

Guide to selecting models based on specific gravity and connection type.

Process Connection and Trim Material

Details on process connection material, styles, and internal trim options.

Unit Dimensions

Physical dimensions for 700 Series narrow and wide differential units.

730 Series Displacer Switches

Model Series and Pressure Ratings

Guide to selecting models based on specific gravity and connection type.

Process Connection and Trim Material

Details on process connection material, styles, and internal trim options.

Unit Dimensions

Physical dimensions for 730 Series narrow and wide differential units.

750 Series Displacer Switches

Model Series and Pressure Ratings

Guide to selecting models based on specific gravity and connection type.

Process Connection and Trim Material

Details on process connection material, styles, and internal trim options.

Unit Dimensions

Physical dimensions for 750 Series models.

Switching Mechanisms

Types of Switching Mechanisms

Details on standard dry-contact, mini-hermetic, and anti-vibration switch types.

Pneumatic and High-Temperature Switches

Information on pneumatic and extreme temperature switch mechanisms.

Switch Ratings

Electrical and Temperature Ratings

Details electrical ratings and important notes for switch mechanisms.

Housings

Housing Types and Ratings

Information on various housing types, materials, and enclosure ratings.

Available Housings and Agencies

Chart showing housing designators, ratings, and agency listings for compatibility.

Accessories

Accessory Compatibility Chart

Guide to available accessories and their compatibility with different model series.

Test Certificates

Certificates for Float and Displacer Switches

Tables showing available test certificates for float and displacer operated switches.

High Temperature Selection

Temperature Extensions (ET & FE)

Details on straight (ET) and finned (FE) extensions for high-temperature applications.

Selection Guide by Temperature and Process

Guide for selecting materials and switches based on temperature and process type.

Examination and Testing Requirements

Conformance Certificates and Fluid Categories

Options for ASME/ANSI conformance certificates and fluid service categories.

Weld and Hydrostatic Testing

Details on weld examination types and hydrostatic pressure testing procedures.

MC and TC Options

Manual Actuation Options

Explains Manual Check (MC) and Tru-Check (TC) options for displacer switches.

ASTM Material Designations

Material Specifications and Temperature Ranges

Chart listing ASTM materials used for components and their temperature limits.

Flange Face Finishes

Information on standard flange face finishes and their roughness values.

Specific Gravity of Water

Saturated Steam Properties Chart

Table showing water properties (pressure, temperature, specific gravity) for saturated steam.

Conversions

Unit Conversion Formulas

Provides formulas for converting pressure, specific gravity, length, temperature, and flow rates.

Weights

Approximate Shipping Weights

Tables listing approximate weights for standard models, flanges, and fittings.

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