FS-204-W

Item Number: 00067101
1 1
$1,000.49
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Wet Location Enclosure: NEMA 4
  • Weight: 3.0 lb
  • Pipe Size Compatibility: 1 inch to 6 inch diameter
  • Maximum Service Pressure: 160 psi
  • Maximum Fluid Temperature: 250°F (121°C)
  • Connection Type: 1 inch NPT Male
  • Seal Material: EPDM
  • Switch Type: Single Pole Double Throw (SPDT)
  • Paddles: Four heavy-duty stainless steel

Description

The Watts FS-204-W is a NEMA 4 rated flow switch designed for accurate liquid flow monitoring in commercial and industrial pipelines, specifically in wet locations. It functions as an automatic control or safety device to manage motors or alarms based on flow conditions. Key features include an EPDM seal for durability, a universal design for broad compatibility, and four heavy-duty stainless steel paddles adaptable for 1 to 6 inch diameter pipes. It connects via a 1 inch NPT male pipe connection and has a maximum service pressure of 160 psi and maximum fluid temperature of 250°F.

Help Me Connect

Pipe Connections

The Watts FS-204-W Flow Switch features a 1 inch NPT male pipe connection. This connection is designed to screw directly into a 1 inch NPT female fitting on your pipeline, ensuring a secure and leak-free installation.

Electrical Connections

Electrical wiring to the flow switch is made via two 7/8 inch electrical knock-outs. These knock-outs are suitable for connecting to 1/2 inch conduit, providing protection for the wiring.

Pipe Diameter Compatibility

  • The flow switch is compatible with pipelines ranging from 1 inch to 6 inches in diameter. The included four heavy-duty stainless steel paddles can be adjusted or trimmed to fit various pipe sizes and flow requirements.
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Additional Details

The Watts FS-204-W Flow Switch provides accurate monitoring of liquid flow in pipelines for commercial and industrial applications. Designed for wet locations, this NEMA 4 rated flow switch serves as an automatic control or safety device to initiate or stop motors, or activate alarms based on flow conditions.

Key Features

  • Designed for wet locations with a NEMA 4 enclosure.
  • Features an EPDM Seal for superior performance, offering durability over mechanical bellows.
  • Includes a Single Pole Double Throw Switch for operating signal devices, motors, alarms, metering devices, and heating units.
  • Equipped with four heavy-duty stainless steel paddles.
  • Offers universal design, allowing it to replace many other flow switch brands.
  • Suitable for use on 1 inch to 6 inch diameter pipes.

Connections

  • Features a 1 inch NPT male pipe connection for easy installation.
  • Equipped with two 7/8 inch electrical knock-outs for 1/2 inch conduit.

Specifications

General

  • Model: FS-204-W
  • Usage: Wet Locations
  • Pipe Size Compatibility: 1 inch to 6 inch diameter pipes

Materials

  • Enclosure: NEMA 4 - Wet Locations
  • Control Chassis Material: Anodized cast aluminum
  • Control Cover Material: Powder coated cast aluminum
  • Seal Material: EPDM
  • Paddles: Four heavy-duty stainless steel

Performance

  • Maximum Service Pressure: 160 psi
  • Maximum Temperature: 250°F (121°C)
  • Minimum Fluid Temperature: 33°F (0.5°C)

Electrical

  • Contacts: SPDT switch 7.4 FLA, 44.4 LRA @120VAC Motor Duty
  • Pilot Duty Rating: 125VA@120/240VAC
  • Electrical Knock-Outs: Two 7/8 inch for 1/2 inch conduit

Connections

  • Pipe Connection: 1 inch NPT Male

Certificates & Approvals

  • CULUS LISTED
  • Underwriter's Laboratories Listed U.S.A. No. 11S1

FAQs

What is the primary application of the Watts FS-204-W Flow Switch?

The FS-204-W Flow Switch is primarily used for accurate monitoring of liquid flow in pipelines for commercial and industrial applications such as water systems, heating, air conditioning, and processing installations.

What type of environment is the FS-204-W designed for?

The FS-204-W model is designed for wet locations, featuring a NEMA 4 enclosure to protect against water, dust, and external ice formation.

What pipe sizes is this flow switch compatible with?

This flow switch is designed for use on pipelines with diameters ranging from 1 inch to 6 inches. It comes with four heavy-duty stainless steel paddles that can be adjusted.

What are the electrical connection specifications for this device?

The FS-204-W features two 7/8 inch electrical knock-outs, suitable for 1/2 inch conduit. It has a Single Pole Double Throw (SPDT) switch with a pilot duty rating of 125VA@120/240VAC.

What is the maximum operating pressure and temperature?

The maximum service pressure for the FS-204-W Flow Switch is 160 psi. It can operate in fluid temperatures up to 250°F (121°C) and down to a minimum of 33°F (0.5°C).