Dwyer Instruments SERIES V10 Catalog Page
NORMALLY OPEN
[17.46]
18 AWG
SERIES V10 | W. E. ANDERSON™ BY DWYER
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.
FEATURES/BENEFITS
• Magnetically actuated switching design gives superior performance with rugged,
hermetically sealed reed switch
• Simple eld switch adjustment allows user to toggle between Normally Open (NO) or
Normally Closed (NC) with no change in the electrical connection
• Switch housing is located outside the process media, allowing simple switch change-
over or maintenance without interruption of process ow
• 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.
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)
Pipe
Size Trim N.O. N.C.
1/2˝
L
3/4˝
1˝
1-1/4˝
1-1/2˝
2˝
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, INC. 274
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: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
2-7/8
[73.07]
LOWER BODY
7/8 HEX
1/2 MALE NPT
VANE
Normally
open position
MODEL CHART
Model
V10
V10SS
V10-BSPT
V10SS-BSPT
2-7/8
[73.07]
2-3/8
[61.11]
Body
Material
Brass
303 SS
Brass
303 SS
LEAD WIRES
19˝ [482.6]
LONG CABLE
1
[25.40]
1/4 [6.35] TRAVEL
TO NORMALLY
CLOSED POSITION
Normally
closed position
Connection
Type
NPT
NPT
BSPT
BSPT
Switch
Conguration
Normally open
or closed
Normally open
or closed
Normally open
or closed
Normally open
or closed
4 [101.6]
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.
Weight: 5.5 oz (0.16 kg).
Agency Approvals: CE, CSA, UR.
Switch Enclosure: Nylon.
Loading...