Questions: Call us 855.329.4519 or

Prev Next

In Stock!

McDonnell & Miller FS-251 General Purpose Flow Switch

Price: Call For Details

Quantity:

+ -

Usually ships within 24 hours.

In Stock Quantity: 2

SKU: MMRFS43

Shipping Weight:
4.0 LBS
Shipping Dimensions
Length: 5 In
Width: 4 In
Height: 7 In
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

General Purpose Flow Switch Description

Starts or stops electrically operated equipment such as signal lights, alarms, motors, automatic burners, and metering devices. Has 4 stainless steel paddles that fit 1", 2", 3", and 6" pipe; paddle can be trimmed to fit incremental pipe sizes.

General Purpose Flow Switch Features

Brass, Stainless Steel, EPDM Material
Adjustable Flow Range from 5.8 to 131 GPM
NEMA1 Switch Enclosure
1" MNPT Connection Size
160 Max PSI

General Purpose Flow Switch Specifications

MIN. FLOW RATE: 5.8 GPM
MAX FLOW RATE: 131 GPM
SWITCH ENCLOSURE: NEMA 1
MIN. AMBIENT TEMP: 32°F
MIN. FLUID TEMP: 32°F
MAX FLUID TEMP: 250°F
MAX PRESSURE: 160 PSI
OPERATING VELOCITY RANGE: 130 to 280 FPM
SWITCH TYPE: Single Pole Double Throw Snap Switch
CONTACT RATING: 7.4A @ 120 VAC - Full Load, 120 VA @ 120 or 240 VAC - Pilot Duty
BODY MATERIAL: Brass
MATERIAL OF CONSTRUCTION: Brass, SS, EPDM
WETTED MATERIALS: Brass, Stainless Steel, EPDM
MAX OPERATING VELOCITY: 600 FPM
VOLTAGE: 120/240V
APLICATION: Water Systems, Signal Lights, Alarms, Motors, Automatic Burners, and Metering Devices

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.

4.8

Out of 5.0

A graph showing this site's review totals.

Overall Rating

97%

of customers that buy
from this merchant give
them a 4 or 5-Star rating.

Verified Buyer

February 19, 2025 by Kenneth S. (United States)

“always great service and experiences”

Verified Buyer

February 18, 2025 by Jerry S. (United States)

“.”

Verified Buyer

February 17, 2025 by Andrew M. (United States)

“Easy to find part - had a question about inventory and Juan was a big help.”

Display Options

Favorite Reviews