Series FS10-C - Watts Water

For Residential and Commercial Applications

ES-FS10-C

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Contractor ???????????????????????????????????????????? Approval ????????????????????????????????????????????? Contractor's P.O. No. ?????????????????????????????????? Representative ????????????????????????????????????????

Series FS10-C

Flow Switch

Sizes: For pipes 1" - 6" (25 ? 150mm)

Series FS10-C Flow Switch provides accurate monitoring of liquid flow in pipelines servicing water systems, heating systems, air conditioning, and processing installations for industrial and commercial applications. The flow switch is designed to act as an automatic control or safety device for liquid flow. The singlepole, double-throw switch can be wired to start or stop a motor when a flow or no flow condition exists or activate an alarm when flow is inadequate. The switch then turns off the alarm when adequate flow is restored. Series FS10-C flow switches install in tee in horizontal or vertical piping.

Features

? Beryllium copper paddle ? Single cover retaining screw mounted on top of flow switch ? Coarse and fine sensitivity adjustment ? Two electrical conduit knockouts ? Easy accessibility to switch terminals ? 1" (25mm) NPT connection ? Switch assembly independent/removable from

mounting adaptor ? Optional flow indicator light integral with switch cover

(FS10-CL)

Models

FS10-C-standard unit FS10-CL-features indicator light FS10-CL-SS-features stainless steel bellows and paddle

Standards

GENERAL SIGNALING EQUIPMENT

11S1

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

Pressure-Temperature

Maximum Working Pressure: 175psi (12.1 bar) at 300?F (148.9?C)

Maximum Temperature: 300?F (148.9?C)

INDEPENDENT Switch assembly

EASY WIRING ? cover

completely removable, no danger of wires interfering with operation.

SWITCH ? Single pole, double throw

O-RING INLET ADAPTER ? Threaded connection (quick paddle orientation in pipe.)

HIGH ? (Coarse) Sensitivity Adjustment

TWO KNOCKOUTS ? Connect conduit at either side of chassis.

PADDLE ? made of beryllium copper. Segmented and quickly adaptable for 1" (25mm) to 3" (80mm) pipe. Extended paddle also included for larger pipe size.

Paddles

3 in 1 Paddle ? A segmented beryllium copper paddle is quickly adaptable for 1" through 3" pipe (25 through 80mm). The extended beryllium copper paddle, also included, is for larger pipe sizes up to 6" (150mm). Paddle length conforms to ASTM tee standards.

Materials

Body: Enclosure: Cover: Bellows: Inlet Adapter: Paddle:

Brass Zinc plated steel Epoxy coated steel Brass ASTM B-36 Brass ASTM B-36 Beryllium Copper ASTM B-194

Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

Dimensions

31/16" (78mm)

31/16" (78mm)

11/2" (40mm)

31/4" (83mm)

7/8" (22mm) Dia. Electrical Knock-outs

1" (25mm) Pipe Thread

3/4" (20mm)

17/8" (48mm)

31/2" (89mm)

17/8" (48mm) HEX

7/8" (22mm)

Flow Rates

FLOW RATES Required to Actuate the No. FS10C or FS20 Flow Switch in Horizontal Pipe. Flow rates in U.S. gallons per minute (GPM). Velocity in feet per second (FPS). *Equipped with extended paddle trimmed to pipe size.

PIPE SIZE IN WHICH FLOW SWITCH INSTALLED

FACTORY OR MINIMUM

FLOW SETTING

MAXIMUM FLOW SETTING

ACTIVATION FLOW

DEACTIVATION NO FLOW

ACTIVATION FLOW

DEACTIVATION NO FLOW

GPM FPS GPM FPS GPM FPS GPM FPS

*Flow rates for these sizes are calculated.

1" (25mm)

5.2 2.01 2.0 .77 11.5 4.44 8.5 3.28

11/4" (32mm)

7.9 1.74 3.2 .71 18.0 3.98 14.6 3.23

11/2" (40mm)

10.0 1.62 5.3 .86 18.0 2.91 15.1 2.44

2" (50mm)

13.2 1.29 8.1 .79 34.1 3.33 29.2 2.85

21/2" (65mm)

20.9 .92 9.9 .44

53.9 2.38 44.4 1.96

3" (80mm)

30.0 1.30 12.0 .52 52.0 2.26 46.1 2.00

*4" (100mm)

39.0 1.0 19.0 .50 73.5 1.86 64.0 1.67

*5" (125mm)

58.0 .94

29.0 .47

115.0 1.85 92.0 1.48

*6" (150mm)

79.0 .88

39.6 .44

166.0 1.84

123.0 1.37

A Watts Water Technologies Company ES-FS10C 0921

USA: 815 Chestnut St., No. Andover, MA 01845-6098; Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; wattscanada.ca

? 2009 Watts

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