McDonnell Miller - Series FS8

For general purpose applications with environmental exposure, requiring water-tight, dust tight, or a NEMA 4X rated flow switch. 1" NPT. Sealed Monel bellows. Single pole, double throw snap switch. Four stainless steel paddles included - 1", 2", 3" & 6". Optional features: BSPT threads, gold plated contacts.
Minimum temperature 32°F
Maximum temperature 225°F
Maximum operating pressure 150 psi

Ordering Information
Model Number	Part Number	Description	Weight lbs.	Price
FS8-W	120601	General purpose flow switch w/ NEMA 4X enclosure	2	$Call
FS8-WJ	120602	FS8-W w/BSPT connections	2	$195.00
FS8-WG	120603	FS8-W w/ gold plated switch contacts	2	$205.00
FS8-WG-SL	120604	FS8-W w/ gold plated switch contacts, sealed leads	2	$225.00
FS8-WZ	120605	FS8-W w/ ANSI terminal connections	2	$195.00
FS8-WJA	120751	FS8-WJ w/ adjusting indicator	2.3	$Call
FS8-WJA-E	120752	FS8-WJA - CE conformance	2.3	$Call
NOTE: Do not use liquid flow switches on systems with flow greater than 10 feet per second

Electrical Ratings
Voltage	Motor Switching Rating		Pilot Duty
Voltage	Full Load	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
Dimensions
A	B	C	D	E	F	G
3 1/4	8 3/8	2 5/16	3 7/16	1	1 3/4	3 1/4
Flow Rates
Mode of Operation
Pipe Size NPT in.	Settings	Flow gpm	Velocity	No Flow gpm	Velocity	Max. Flow Rate gpm w/o paddle damage
1	Factory or minimum	4.9	1.82	3.4	1.25	27
1	Maximum	17.6	6.53	15	5.56	27
1 1/4	Factory or minimum	7.5	1.6	5.3	1.14	47
1 1/4	Maximum	29	6.23	24.6	5.28	47
1 1/2	Factory or minimum	9.4	1.48	6.7	1.05	63
1 1/2	Maximum	37.8	5.95	32.2	5.07	63
2	Factory or minimum	13.7	4.34	9.4	0.9	105
2	Maximum	56.4	5.39	47.4	4.53	105
2 1/2	Factory or minimum	17.9	1.2	12.1	0.81	149
2 1/2	Maximum	71.3	4.78	59.2	3.97	149
3	Factory or minimum	24.2	1.05	16.4	0.71	230
3	Maximum	89	3.87	72.5	3.15	230
4	Factory or minimum	35.3	0.89	27	0.68	397
4	Maximum	118	2.89	105	2.64	397
5	Factory or minimum	48.6	0.78	37.4	0.6	654
5	Maximum	178	2.86	160	2.57	654
6	Factory or minimum	60.3	0.67	46.8	0.52	900
6	Maximum	245	2.72	225	2.5	900
Values are +- 10%

Contact Us Directly:

Toll Free: 1-800-780-3776
Int'l Phone: 770-957-9599
Int'l Fax: 770-957-9563
E-Mail: Email Your Request

Mailing Address: Power Plus International
143 McDonough Parkway
McDonough, GA 30253