Flow Switches - GEMS SENSORS & CONTROLS - (Version JPG) - Page n° 19 - PDF Catalogue | Technical Documentation

FS-4 Series -

Low Cost, Molded Plastic Construction

Flow Rate Settings: 0.1 GPM to 1.5 GPM Port Size: 9/16"-18 UNF Primary Construction Material: Ryton® Setting Type: Fixed

The FS-4 Series makes flow protection economical for a broad range of industrial applications such as welders, lubrication systems, medical sterilizers and laundry chemicals dispensing.

Specifications

U.L. Recognized — File No. E31926 CSA Listed —

File No. LR30200

Wetted Materials Housing and Piston

Ryton® R4

Spring

316 Stainless Steel

O-Ring

Other Wetted Parts Operating Pressure, Maximum

Epoxy

Dimensions

250 PSIG (17.2 bar) @ 70°F (21°C)

Operating Temperature

0°F to 225°F (-17°C to +107°C)

Set Point Accuracy

±15% Maximum

Set Point Differential

20% Maximum

Switch*

SPST or SPDT, 20 VA (SPDT: 240 VAC Max.)

Inlet/Outlet Ports

9/16" -18 UNF-2B Thread

Recommended Filtration

50 Microns or Better

LbALMIrìbS

Electrical Termination SPST

18 AWG, Zipcord, 24" Long

3.80 97

SPDT

18 AWG, PVC 24" Long Leads

' See "Electrical Data" on Page X-5 for more information.

How To Order - Standard Models


Housing and Piston Material	Flow Setting GPM	Part Numbers
		SPST Switch		With SPDT Switch
		N.O., No Flow	N.C., No Flow	With SPDT Switch
Ryton®	0.1	122340 /	122346	122352 /
	0.25	122341 /	122347	122353 /
	0.5	122342 /	122348	122354 /
	0.75	122343	122349	122355 /
	1.0	122344 /	122350	122356
	1.5	122345 /	122351	122357 /

9/16*-18 unf-2b thread with o ring seal port

Pressure Drop - Typical

3.0



	Part No. 122355
		i-Part No. 122357
Part No. 122352

Q-

2.0

oc □

1.5

oc oc

Q-

1.0 0.5

Note:

Flow settings are calibrated using water @ +70°F on increasing flow, with units in a vertical positioi (lead wires up).

0.5

1.0

1.5

2.0

FLOW RATE - GPM

Tests conducted with units in vertical position (lead wires up) with water at +70 F (21 C).

Port Adapters for FS-4

Converts 9/16" threaded ports to NPT or barbed connection. Made of Ryton®-R4 or polypropylene with O-Rings in place.

CAUTION: Do not exceed 15 in./lbs. maximum torque when installing adapter fittings.

3/4" (19.0 mm)

^HEX .25" (6.3 mm)

.54" (13.7 mm) DIA.


Material	Adapter Size	Part Numbers
Ryton®	1/8" NPT*	123028 /
Ryton®	1/4" NPT*	123029 /
Polypropylene	1/4" NPT*	158602 /
Polypropylene	1/2" Barb**	158603 /

*Wrench flats provide for proper assembly. "Accepts 1/2" I.D. flexible hose

/ - Stock Items.

3/4"(19.0 mm) DIA.

I .62 FLAT 3/8"(9.5 mm) 1/2" (12.7 mm)

5/8"

(15.9 mm)

Flow Switches - GEMS SENSORS & CONTROLS - #19

Wireless sensor, Flow sensor, Indicator, Capacitive sensor, Moisture monitor