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Flotect Series V6 Flow Switches

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Monitor Flow in 1/2" to 2" Pipe, Explosion-Proof - Leak Proof Body
The Flotect Series V6 is available in both a standard flow & a field adjustable low-flow design. Surprisingly compact, the Flotect V6 Flow Switch is engineered specifically to monitor liquid, gas or air flows in pipelines from 1/2" to 2" diameter.

With bushings added, it is easily adapted to 1/4" and 3/8" piping. It is solidly built and designed for years of trouble-free service on critical operations. The brass or stainless steel bar stock lower body is leak proof, preventing the pipeline product from entering switch housing above. There is no mechanical linkage - the flow switch is magnetically actuated and explosion-proof. The lower body holds the flow vane and one magnet which controls the switch actuating magnet in separate housing above. Maintenance is easy. The entire electrical assembly can be removed for inspection or replacement without shutting down the pipeline. A low flow version of the V6 is available which provides field adjustment of the actuation flow point.

Installation is also easy. Simply insert the tee in the pipeline and complete the electrical and conduit connections. The Flotect V6 is U.L. and C.S.A. listed for explosion-proof service - Class I, Groups A, B, C & D and Class II, Groups E, F and G. The C.S.A. and CENELEC models must be furnished with an explosion-proof junction box for wiring connections. Group A, stainless steel body only. *With bushings, adapts to 1/4" and 3/8".

  • Leak proof lower body machined from bar stock
  • Choice of models in a tee with calibrated vane or field adjustable trimmable vane
  • Weatherproof
  • Explosion-proof
  • Electrical assembly can be easily replaced without removing the unit from the installation so that the process does not have to be shut down
  • High pressure rating of 1000 psig (69 bar) with brass body and 2000 psig (138 bar) on the SS body
  • Low flow model offers field adjustable set point
  • Easy installation, simply insert the tee in the pipeline and complete electrical connection
More InformationPhysical Data: Click to view
  • Service: Gases or liquids compatible with wetted materials.
  • Wetted Materials: Standard V6 Models: Vane: 301 SS; Lower Body: brass or 303 SS; Magnet: ceramic; Other: 301, 302 SS; Tee: brass, iron, forged steel, or 304 SS. V6 Low Flow Models: Lower Body: brass or 303 SS; Tee: brass or 304 SS; Magnet: ceramic; O-ring: Buna-N standard, Viton® optional; Other: 301, 302 SS.
  • Temperature Limits: -4 to 220°F (-20 to 105°C) standard, MT high temperature option 400°F (205°C) [MT not UL, CSA or ATEX]. ATEX compliant AT option ambient temperature: -4 to 167°F (-20 to 75°C), process temperature: -4 to 220°F (-20 to 105°C).
  • Pressure Limit: Brass lower body with no tee models 1000 psig (69 bar), 303 SS lower body with no tee models 2000 psig (138 bar). Brass tee models 250 psi (17.2 bar), iron tee models 1000 psi (69 bar), forged and stainless steel tee models 2000 psi (138 bar), low flow models 1450 psi (100 bar).
  • Enclosure Rating: Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups A, B, C and D; Class II, Groups E, F, and G. (Group A on stainless steel body models only). ATEX 0344 II 2 G EEx d IIC T6 Process Temp≤75°C, EC-Type Certificate No.: KEMA 04ATEX2128.
  • Switch Type: SPDT snap switch standard, DPDT snap switch optional.
  • Electrical Rating: UL models: 5A @ 125/250 VAC. CSA and ATEX models: 5A @ 125/250 VAC; 5A res., 3A ind. @ 30 VDC. MV option: .1A @ 125 VAC. MT option: 5A @125/250 VAC. [MT option not UL, CSA or ATEX].
  • Electrical Connections: UL models: 18 AWG, 18" (460 mm) long. CSA models: terminal block.
  • Upper Body: Brass or 303 stainless steel.
  • Conduit Connections: 3/4" male NPT standard, 3/4" female NPT on junction box models.
  • Process Connection: 1/2" male NPT on models without a tee.
  • Mounting Orientation: Switch can be installed in any position but the actuation/deactuation flow rates in the charts are based on horizontal pipe runs and are nominal values.
  • Set Point Adjustment: Standard V6 models none. Without tee models vane is trimmable. Low flow models are field adjustable in the range shown. See set point charts on opposite page.
  • Weight: 2 to 6 lb (.9 to 2.7 kg) depending on construction.
  • Options not Shown: Custom calibration, bushings, PVC tee, reinforced vane.
  • Agency Approvals: UL, CSA, CE and ATEX.
More InformationPopular Model Numbers: Click to view
Model Number Lower Body Size Tee
 V6EPB-B-S-1-B  Brass  1/2"  Brass
 V6EPB-B-S-2-B  Brass  3/4"  Brass
 V6EPB-B-S-3-B  Brass  1"  Brass
 V6EPB-B-S-4-B  Brass  1-1/4"  Brass
 V6EPB-B-S-5-B  Brass  1-1/2"  Brass
 V6EPB-B-S-6-B  Brass  2"  Brass
 V6EPB-B-S-1-MI  Brass  1/2"  Iron
 V6EPB-B-S-2-MI  Brass  3/4"  Iron
 V6EPB-B-S-3-MI  Brass  1"  Iron
 V6EPB-B-S-4-MI  Brass  1-1/4"  Iron
 V6EPB-B-S-5-MI  Brass  1-1/2"  Iron
 V6EPB-B-S-6-MI  Brass  2"  Iron
 V6EPS-S-S-1-MI  Stainless Steel  1/2"  Iron
 V6EPS-S-S-2-MI  Stainless Steel  3/4"  Iron
 V6EPS-S-S-3-MI  Stainless Steel  1"  Iron
 V6EPS-S-S-4-MI  Stainless Steel  1-1/4"  Iron
 V6EPS-S-S-5-MI  Stainless Steel  1-1/2"  Iron
 V6EPS-S-S-6-MI  Stainless Steel  2"  Iron
 V6EPS-S-S-1-FS  Stainless Steel  1/2"  Forged Steel
 V6EPS-S-S-2-FS  Stainless Steel  3/4"  Forged Steel
 V6EPS-S-S-3-FS  Stainless Steel  1"  Forged Steel
 V6EPS-S-S-4-FS  Stainless Steel  1-1/4"  Forged Steel
 V6EPS-S-S-5-FS  Stainless Steel  1-1/2"  Forged Steel
 V6EPS-S-S-6-FS  Stainless Steel  2"  Forged Steel
 V6EPS-S-S-1-S  Stainless Steel  1/2"  Stainless Steel
 V6EPS-S-S-2-S  Stainless Steel  3/4"  Stainless Steel
 V6EPS-S-S-3-S  Stainless Steel  1"  Stainless Steel
 V6EPS-S-S-4-S  Stainless Steel  1-1/4"  Stainless Steel
 V6EPS-S-S-5-S  Stainless Steel  1-1/2"  Stainless Steel
 V6EPS-S-S-6-S  Stainless Steel  2"  Stainless Steel
V6EPB-B-S-6-0  Brass No Tee  None
V6EPS-S-S-6-0  Stainless Steel No Tee  None
 V6EPB-B-S-LF  Brass 1/2"  Low Flow Model, Brass
 V6EPS-S-S-LF Stainless Steel 1/2" Low Flow Model, Stainless Steel
More InformationHow to Configure a Model: Click to view
Example V6 EP B S 2 B MT  
Series V6             Series V6 flow switch
Construction   EP           Explosion proof
Body     B-B
S-S
        Brass
Stainless Steel
Circuit (Switch)       S
D
      SPDT
DPDT
Tee Connection Size         1
2
3
4
5
6
LF
    1/2" NPT
3/4" NPT
1" NPT
1-1/4" NPT
1-1/2" NPT
2" NPT
Low Flow Model (1/2" NPT connections)
Tee Material           MI
FS
B
S
0

  Iron
Forged Steel
Brass
Stainless Steel
No tee, field trimmable vane
Options             CSA
AT
MV
MT
VIT
CSA approved construction (includes JCT option standard)
ATEX approved construction with junction box
Gold contacts on snap switch for dry circuits
High temperature option rated 400°F (205°C)
Viton® O-rings in place of Buna-N on low flow models
More InformationApproximate Actuation - Deactuation Flow Rates: Click to view
APPROXIMATE ACTUATION-DEACTUATION
FLOW RATES FOR AIR
Upper figures are SCFM, Lower figures in LPM
Pipe Size Actuate Deactuate
1/2" 6.50
180
5.00
120
3/4" 10.0
300
8.00
240
1" 14.0
420
12.0
360
1-1/4" 21.0
600
18.0
540
1-1/2" 33.0
960
30.0
840
2" 43.0
1200
36.0
1020
APPROXIMATE ACTUATION-DEACTUATION
FLOW RATES FOR COLD WATER
Upper figures are GPM, Lower figures in LPM
Pipe Size Actuate Deactuate
1/2" 1.50
5.667
1.00
3.83
3/4" 2.00
7.5
1.25
4.67
1" 3.00
11.33
1.75
6.67
1-1/4" 4.00
15.17
3.00
11.3
1-1/2" 6.00
22.67
5.00
19
2" 10.00
37.83
8.50
32.2
More InformationModel V6 Low Flow Version - Field Adjustable Actuation Point - Rated for 1450 psig Max Pressure
The Low Flow V6, like the standard model, features a leak-proof solid brass low housing and magnetically actuated snap switch. The machined tee is available in brass or stainless steel with all wetted parts of like materials and Buna-N or optional Viton O-Rings. The actuating mechanism is a plunger opposing a spring with an adjustable bypass valve to set the actuation rate. Piping connections are 1/2" female NPT for in-line mounting. Units are explosion-proof and rated to 1450 psig (100 bar). UL, CSA and ATEX listings match standard V6. Weight is 1-1/2 lbs.
V6 LOW FLOW MIN-MAX FLOW RATES IN 1/2" PIPE
MEDIA ACTUATE DEACTUATE
GPM-Water .04-0.75 .03-0.60
M³HR-Water .01-0.17 .007-.136
SCFM-Air .18-2.70 .15-2.0
NM³S-Air .0001-.0013 .0001-.001
Flotect Low Flow
More InformationModel V6 No Tee Option
V6 No Tee
 
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