MCDONNELL & MILLER FS5-3/4 114760 Switch Liquid Flow, 3/4 MNPT, 150 Psi

Item: AD9ECR
Model: FS5-3/4
Cross Ref: 4RC67 / 114760
9 In Stock.

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Specifications

Item Liquid Flow Switch
Application Alarms, Automatic Burners And Metering Devices, Motors, Signal Lights
Connection Size 3/4"
Connection Type NPT
Contact Rating 22.2 A @ 240V (Locked Rotor), 3.7 A @ 240V (Full Load), 44.4 A @ 120V (Locked Rotor), 7.4 A @ 120V (Full Load)
Contact Rating (ac) 22.2A @ 240V (Locked Rotor), 3.7A @ 240V (Full Load), 44.4A @ 120V (Locked Rotor), 7.4A @ 120V (Full Load)
Enclosure Rating NEMA 1
Flow Rate - Maximum 1.5 GPM
Flow Rate - Minimum 1.5 GPM
Flow Rate Range 1.5 GPM
For Pipe Size 3/4"
Height 5.1"
Housing Material Brass
Housing/body Material Brass
Length 3 1/5"
Max. Ambient Temp. 250°F
Max. Flow Gpm 15 GPM
Max. Flow Rate 15 GPM
Max. Pressure 150 psi
Media Temp. Range 32°F to 250°F
Media Temperature (maximum) 250°F
Min. Ambient Temp. 32°F
Min. Flow Rate 1.5 GPM
Min. Flow Rate (gpm) 1.5 GPM
Min. Media Temp. 32°F
Overall Height 5.1"
Overall Length 3.2"
Set Point Configuration Adjustable
Switch Enclosure NEMA 1
Switch Type SPDT
Type General Purpose
Voltage 120/240V AC
Wetted Material Brass, Buna-N, EPDM
Wetted Material Brass, Buna N, EPDM

Product Details

McDonnell & Miller FS5-3/4 liquid flow switch detects and signals lack of flow, preventing equipment damage and maintaining system efficiency. This switch alerts operators to potential issues such as low flow or pump failure, allowing for timely intervention to prevent costly downtime and damage to equipment.

Shipping Information

Height (cm) 12.95
Length (cm) 8.13
Width (cm) 11.43
HS Code 9032896060
Country Of Origin US
Weight (kg) 1.125

Working Mechanism

  • McDonnell & Miller FS5-3/4 liquid flow switch operates by detecting the flow of liquid through the system. As the liquid passes through, it engages a paddle mechanism inside the switch. This movement triggers a switch, signalling the flow status.
  • If the flow rate falls below the set point, the switch changes state, sending a signal for necessary actions. This mechanism allows for precise monitoring and control of liquid flow.

Features

  • This liquid flow switch features brass housing for durability and has a 3/4 inch NPT connection.
  • It is designed for inline installation, minimising space requirements and the impact on system line pressure.
  • This liquid flow switch can be operated at temperatures ranging from 32 to 250 degrees F.
  • It is equipped with an SPDT switch and wetted materials including brass, Buna-N and EPDM.

Frequently Asked Questions

What is the significance of the adjustable set point configuration in McDonnell & Miller FS5-3/4 liquid flow switch?

McDonnell & Miller FS5-3/4 liquid flow switch allows users to adjust the set point configuration to tailor flow detection parameters according to specific system requirements. This feature ensures precise control over flow monitoring, enhancing system performance.

What is the contact reading of this liquid flow switch?

  • Contact Rating (AC)
  • 22.2 A @ 240V (Locked Rotor)
  • 3.7 A @ 240V (Full Load)
  • 44.4 A @ 120V (Locked Rotor)
  • 7.4 A @ 120V (Full Load)

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