Home Product Information Free Literature International Distribution What's New About Us Contact Us
New Quick Search Order Form
Series
75

Torque Tube Type Level Control
Direct Action, Mercury Contacts

CONSULT FACTORY FOR ORDERING AND PRICING

MODEL CHART - SERIES 75
EXAMPLE 75KM A 4820 75KM-A-4820 Liquid Level Control with cast iron float chamber*, stainless steel float and brass trim, SPST mercury switch,open on level increase, rated 10 amp 120VAC/DC, 5 amp 240 VAC/DC, motor rating 1 hp 120 VAC, 3/4 hp 240 VAC, 1/3 hp 120/240 VDC, general purpose enclosure, minimum specific gravity 0.66, maximum pressure 300 psig (21 bar), maximum temperature 425°F (218°C).
HOUSING 75KM     General purpose, NEMA 1 enclosure, construction A, C only.
75KXM     General purpose, NEMA 1 enclosure, construction A1, A2, C1, C2 only.
CONSTRUCTION   A   Cast iron chamber*, stainless steel float, brass trim, minimum specific gravity 0.66, maximum pressure 300 psig 21 (bar), maximum temperature 425°F (218°C).
  A1   Cast steel chamber, stainless steel float, brass trim, minimum specific gravity 0.66, maximum pressure 400 psig 28 (bar), maximum temperature 500°F (260°C).
  A2   Cast 304SS chamber, stainless steel float, brass trim, minimum specific gravity 0.66, maximum pressure 400 psig 28 (bar), maximum temperature 500°F (260°C).
  C   Cast iron chamber*, stainless steel float, 304SS trim, minimum specific gravity 0.66, maximum pressure 300 psig 21 (bar), maximum temperature 425°F (218°C).
  C1   Cast steel chamber, stainless steel float,304SS trim, minimum specific gravity 0.66, maximum pressure 400 psig 28 (bar), maximum temperature 500°F (260°C).
  C2   Cast 304SS chamber, stainless steel float, 304SS trim, minimum specific gravity 0.66, maximum pressure 400 psig 28 (bar), maximum temperature 500°F (260°C).
CIRCUIT     4820 SPST mercury switch, open on level increase, rated 10 amp 120 VAC/DC, 5 amp 240 VAC/DC, motor rating 1 hp 120 VAC, 3/4 hp 240 VAC, 1/3 hp 120/240 VDC.
    4821 SPST mercury switch, close on level increase, rated 10 amp 120 VAC/DC, 5 amp 240 VAC/DC, motor rating 1 hp 120 VAC, 3/4 hp 240 VAC, 1/3 hp 120/240 VDC.
    4815 SPDT, consists of two SPST mercury switches, electrically independent, one circuit closes as one circuit opens, each switch rated 10 amp 120VAC/DC, 5 amp 240 VAC/DC.
    4823 SPDT, consists of two SPST mercury switches, electrically independent, one circuit closes at low and intermediate level, open at high level, one switch closes at high and intermediate level, open at low level, each switch rated 10 amp 120VAC/DC, 5 amp 240 VAC/DC.
    4831 SPDT, consists of two SPST mercury switches, electrically independent, one circuit closes at low level, open at intermediate and high level, one switch closes at low and intermediate level, open at high level, each switch rated 10 amp 120VAC/DC, 5 amp 240 VAC/DC.
    4849 SPDT, consists of two SPST mercury switches, electrically independent, one switch closes at low level, open at intermediate and high level, one switch closes at high level, open at intermediate and low level, each switch rated 10 amp 120VAC/DC, 5 amp 240 VAC/DC.
    4853 Consists of one SPDT and one SPST mercury switch, SPDT switch has one circuit closed at low and intermediate level, open at high level, one circuit closed at high level, open at intermediate and low level, rated 4 amp 120 VAC/DC, 2 amp 240 VAC/DC, SPST switch closed at high and intermediate level, open at low level, rated 10 amp 120 VAC/DC, 5 amp 240 VAC/DC.
    4855 Consists of one SPDT and one SPST mercury switch, SPDT switch has one circuit closed at low level, open at intermediate and high level, one circuit closed at high and intermediate level, open at low level, rated 4 amp 120 VAC/DC, 2 amp 240 VAC/DC, SPST switch closed at low and intermediate level, open at high level, rated 10 amp 120 VAC/DC, 5 amp 240 VAC/DC.
    4874 Consists of three SPST mercury switches, one switch closed at low and intermediate level, open at high level, two switches closed at high and intermediate level, open at low level, all switches rated 10 amp 120 VAC/DC, 5 amp 240 VAC/DC.

*Cast iron chamber is not for use with lethal or flammable substances, either liquid or gaseous.

Home
Product Information
Free Literature
International Distribution
About Us
Contact Us
Terms & Conditions of Sale
Terms of Access
© Copyright 2005  Dwyer Instruments Ltd. All rights reserved.