Page 1
4
NORMALLY OPEN
6-31/32 [177.00]
[17.46]
18 AWG
SERIES V10
FLOTECT® MINI-SIZE FLOW SWITCH
Proof of Flow or No Flow in 1/2 to 2” Pipe, Cost Effective, Leak Proof Body, Weatherproof
Paddle
Flow Switches,
The Series V10 Flotect® Mini-Size Flow Switch is designed to provide inexpensive,
reliable monitoring of the presence or absence of ow in a system. This series is
available for eld installation in pipelines from 1/2 to 2˝ diameter and available in brass
or 303 SS body.
BENEFITS/FEATURES
• Superior performance with rugged magnetically-actuated switching design and
hermetically sealed reed switch
• Application exibility with simple eld switch adjustment allowing to toggle between
normally open (NO) or normally closed (NC) with no change in the electrical
connection
• Save time and money on maintenance with electrical assembly that can be easily
replaced without removing the unit from installation so that the process does not
have to be shut down
• Solves application needs with full size, eld-trimmable stainless steel vane provided
with removable template calibrated for brass or ductile iron reducing tees with
forged steel straight tee/bushing combinations
APPLICATIONS
• Proving ow in boilers, hot water heaters, and chillers
• Protects pumps, motors and other equipment against low or no ow
• Automatically starts auxiliary pumps and engines
APPROXIMATE ACTUATION/DEACTUATION
FLOW RATES FOR COLD WATER; GPM (LPM)
Pipe Size Trim N.O. N.C. Pipe Size Trim N.O. N.C.
1/2˝
3/4˝
1˝
1-1/4˝
1-1/2˝
2˝
L
2.6/2.3 (9.8/8.7)
J
3.1/2.7 (11.7/10.2)
H
4.8/4.5 (18.2/17)
E
6.2/5.6 (23.5/21.2)
C
8.2/7.7 (31/29.1)
Full
9.5/9.1 (36/34.4)
2.6/2.5 (9.8/9.5)
3.1/2.8 (11.7/10.6)
4.8/4.4 (18.2/16.7)
6.1/5.6 (23.1/21.2)
8.2/7.7 (31/29.1)
9.5/9 (36/34.1)
APPROXIMATE ACTUATION/DEACTUATION FLOW
RATES FOR AIR; SCFM (LPM)
1/2˝
3/4˝
1˝
1-1/4˝
1-1/2˝
2˝
L
10.3/8.8 (291.7/250)
J
13/11.6 (368.3/328)
H
19.2/17.6 (543.3/498)
E
24.8/22.2 (701.7/628)
C
33.4/31.2 (946.7/883)
Full
50.2/48.4 (1422/1370)
DWYER INSTRUMENTS, LLC | dwyer-inst.com274
SPECIFICATIONS
Service: Compatible gases or liquids.
Wetted Materials: Vane: 301 SS; Body:
Brass or 303 SS; Pin and magnet:
Ceramic 8.
Temperature Limit: 200°F (93°C).
Pressure Limit: Brass body: 1000 psig
(69 bar); 303 SS body: 2000 psig (138
bar).
Enclosure Rating: Weatherproof, meets
NEMA 4X (IP66).
Switch Type: SPST hermetically sealed
reed switch. Field adjustable for normally
open or normally closed.
Electrical Rating: 0.5 A @ 120 VAC;
1.5 A @ 24 VDC res.; 0.001 A @ 200
VDC res.
10.2/9.2 (288/260)
12.9/11.6 (365/328)
18.9/17.6 (535/498)
24.5/22.5 (693/637)
33/30.6 (935/867)
50.2/47.7 (1422/1352)
USA: California Proposition 65
WARNING: This product can expose you to chemicals including Lead, which is known to the State
of California to cause cancer and birth defects or other reproductive harm. For more information go
to www.P65Warnings.ca.gov.
2-7/8
[73.07]
LOWER BODY
7/8 HEX
1/2 MALE NPT
VANE
MODEL CHART
Model
V10
V10SS
V10-BSPT
V10SS-BSPT
4 [101.6]
open position
LEAD WIRES
19˝ [482.6]
LONG CABLE
1
[25.40]
2-7/8
[73.07]
1/4 [6.35] TRAVEL
TO NORMALLY
CLOSED POSITION
2-3/8
[61.11]
Normally
Electrical Connections: 18 AWG, 19˝
(483 mm) long, PVC jacket. Rated 221°F
(105°C).
Process Connection: 1/2˝ male NPT or
1/2˝ male BSPT.
Mounting Orientation: Switch can
be installed in any position but the
actuation/deactuation ow rates are
based on horizontal pipe runs and are
nominal values.
Set Point Adjustment: Vane is
trimmable.
Switch Enclosure: Nylon.
Weight: 5.5 oz (0.16 kg).
Compliance: CE, CSA, UR.
Body
Material
Brass
303 SS
Brass
303 SS
closed position
Connection
Type
NPT
NPT
BSPT
BSPT
Normally
Switch
Conguration
Normally open
or closed
Normally open
or closed
Normally open
or closed
Normally open
or closed
Loading...