Product Overview

Table Of Contents

F261 Series Fluid Flow Switches Product Bulletin 3

Dimensions

Operation

The flow switch responds to pressure exerted on the

fluid paddle by the flowing fluid. A range adjustment

screw adjusts the rate of the flow required to activate

the switch. See Table 3 through Table 6 for flow rates.

Figure 2: Dimensions for F261 Standard Flow Switch, in. (mm)

1/2 (12)

Typical

Thread

Engagement

3-1/2

(89)

4-1/2

(114)

5-11/16

(144)

8-3/4

(222)

2-3/4

(70)

11/16

(18)

2-1/8

(54)

1/2 in.

trade size

or PG-16

conduit

opening

FIG:F261_stndrd_dmnsns

(102)

(51)

1-11 1/2 NPT

30 mm Hex

2-9/16

(65)