McDonnell Miller Series FS4-3 In Stock

Manufacturer:
McDonnell Miller
Description:

General Purpose Liquid Flow Universal design serves the widest variety of applications. 1" NPT. Two electrical knock-outs allows connection from either end. Sensitivity adjusting screw makes flow adjustment easy. Single pole, double throw snap switch. Hardened stainless steel bearings minimize friction. Sealed Monel bellows. Minimum temperature 32°F Maximum temperature 300°F Maximum pressure 150 psi NOTE: Do not use liquid flow switches on systems with flow greater than 10 feet per second Values are +- 10% NOTE: Only listed pipe sizes meet UL requirements for fire sprinkler systems.

For Model FS4-3F & FS4-3DF
NPT Pipe Size Paddle to use Length Tee Size
1" 1 11/32" as furnished (only) 1" x 1" x 1" NPT Tee
1 1/4" Trim 1 1/2" pipe size paddle with template 1 1/4" x 1 1/4" x 1" NPT Tee (Paddle must be bowed for insertion into 1 1/4" tee)
1 1/2" 2 1/16" as furnished (only) 1 1/2" x 1 1/2" x 1" NPT Tee (Paddle must be bowed for insertion into 1 1/2" tee)
Flow Rates (Values are +- 10%)
Pipe Size NPT in. Settings Flow gpm No Flow gpm Max. Flow Rate gpm w/o paddle damage
1 Factory or minimum 6 3.6 27
1 Maximum 10.2 9.2 27
1.25 Factory or minimum 9.800000000000001 5.6 47
1.25 Maximum 16.8 15 47
1.5 Factory or minimum 12.7 7 63
1.5 Maximum 23 198.5 63
2 Factory or minimum 18.8 9.4 105
2 Maximum 32.8 24 105
2.5 Factory or minimum 24.3 11.6 149
2.5 Maximum 42.4 37.5 149
3 Factory or minimum 30 12 230
3 Maximum 52.1 46.1 230
4 Factory or minimum 39.7 19.8 397
4 Maximum 73.5 64.2 397
5 Factory or minimum 58.7 29.3 654
5 Maximum 115 92 654
6 Factory or minimum 79.2 39.6 900
6 Maximum 166 123 900
Electrical Ratings
Voltage Motor Switch Rating(Amperes) 120 VDC .5 Amp Full Load Motor Switch Rating(Amperes) 120 VDC .5 Amp Locked Rotor Pilot duty
120 VAC 7.4 44.4 125 VA at 120 or 240 VAC
240 VAC 3.7 22.2 125 VA at 120 or 240 VAC
Ordering Information
Model# Part# Description Weight, lbs. A B C D E F G H J K L M N Price  
FS4-3 114400 General Purpose flow switch 1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $116.52 RFQ
FS4-3J 114610 FS4-3 w/ BSPT connection 1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $155.62 RFQ
FS4-3-RP 114650 FS4-3 w/ SS reinforced paddles 2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $155.62 RFQ
FS4-3Z 114410 FS4-3 w/ ANSI terminal connections
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3A 114450 FS4-3 w/ tamper-proof cover screws
$Call
2 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3C 114451 FS4-3 w/ trimmed paddles
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3D 114550 FS4-3 w/ 2 SPDT switches 2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $204.86 RFQ
FS4-3S 114641 FS4-3 w/ SS body, monel bellows 1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $367.08 RFQ
FS4-3SJ 176216 FS4-3S w/ BSPT connection
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3DS 114642 FS4-3S w/ 2 SPDT switches 3.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $426.94 RFQ
FS4-3-5R 114405 FS4-3 w/ 5 second DOB
$Call
2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3-20 114425 FS4-3 w/ 20 second DOB
$Call
2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3J-E 114611 FS4-3J-CE conformance rated
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3D-E 114552 FS4-3D-CE conformance rated
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3S-E 114646 FS4-3S-CE conformance rated
$Call
1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3F 114625 FS4-3 for sprinkler service 1.9 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $139.65 RFQ
FS4-3FCAN 114626 FS4-3 for sprinkler service (Canada)
$Call
2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3F-20 114635 FS4-3F w/ 20 second DOM
$Call
2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" RFQ
FS4-3DF 114555 FS4-3F w/ 2 SPDT switches 2.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $199.51 RFQ
FS4-3DF-20 114640 FS4-3F w/ 20 second DOM, 2 SPDT switches 3.3 3" 1 1/2" 7/8" 2 7/32" 8 7/16" 2 15/16" 3 3/8" 1 11/16" 1 7/16" 1 1/8" 3 7/16" 2 1/16" 1" $327.19 RFQ