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V6EPB-B-D-4-B | Mini-size flow switch | brass upper and lower body | 1-1/4" NPT | brass tee. | Dwyer

Mini-size flow switch, brass upper and lower body, 1-1/4" NPT, brass tee.

Brand: DwyerSKU: V6EPB-B-D-4-B

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Mini-size flow switch | brass upper and lower body | 1-1/4" NPT | brass tee.

SERIES V6 FLOTECT® MINI-SIZE FLOW SWITCHES

Monitor Flow in 1/2" to 2" (12.70 to 50.80 mm) Pipe, Explosion-Proof, Compact

The Series V6 Flotect® Flow Switch is surprisingly compact, and specifically engineered to monitor liquid, gas, or air flows. Time tested in thousands of pipeline installations and processing plants around the world, this Series is Weatherproof, designed to meet NEMA 4 and Explosion-proof (listing included in specifications). Tees are available for installation in pipelines from 1/2" to 2" (12.70 to 50.80 mm). With bushings added the unit is easily adapted to 1/4" and 3/8" (6.35 and 9.53 mm) piping.

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Product Applications

Protects pumps, motors and other equipment against low or no flow
Controls sequential operation of pumps
Automatically starts auxiliary pumps and engines
Stops liquid cooled engines, machines and processing when coolant flow is interrupted
Shuts down burner when air flow through heating coil fails
Controls dampers according to flow
Signals alarm when emergency shower or eyewash station in use

Superior performance with unique magnetically-actuated switch
Increased product life due to free-swinging vane, which attracts a magnet within the solid metal switch body and actuates a snap switch by means of a simple lever arm with no bellows, springs, or seals to fail
Meets application requirements with durable leak-proof body machined from bar stock
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
Choice of models in a tee with calibrated vane or field adjustable trimmable vane
Quick installation with fitting that installs directly and easily into pipeline with a threadolet, tee, or flange (see application drawings)
Meets the most demanding applications with high pressure rating of 1000 psig (69 bar) for the brass body and 2000 psig (138 bar) for the SS body
Solves customer level applications needs with low flow model with field adjustable set point

Specifications

Series: V6 FLOTECT® MINI-SIZE FLOW SWITCHES
Category/Type: Flow
Type: Flow Switches
Series: V6 FLOTECT® MINI-SIZE FLOW SWITCHES
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; Fluoroelastomer optional; Other: 301; 302 SS.
Temperature Limits: -4 to 220°F (-20 to 105°C) Standard; MT high temperatureoption 400°F (205°C) (MT not UL; CSA; ATEX; IECEx or KC) ATEX Compliant AT;IECEx IEC Option and KC (KC Option); Ambient Temperature -4 to 167°F (-20 to75°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 forClass I; Groups A; B; C and D; Class II; Groups E; F; and G. (Group A on stainlesssteel body models only).ATEX CE 2813 II 2 G Ex db IIC T6 Gb Process Temp ≤75°C AlternateTemperature Class T5 Process Temp ≤90°C; 115°C (T4) Process Temp ≤105°Cconsult factory. EU-Type Certificate No.: KEMA 04ATEX2128.ATEX Standards: EN 60079-0:2012+A11:2013; EN 60079-1:2014.IECExCertified: For Ex db IIC T6 Gb Process Temp≤75°C Alternate TemperatureClass T5 Process Temp ≤90°C; 115°C (T4) Process Temp≤105°C consult factory.IECEx Certificate of Conformity: IECEx DEK 11.0039;IECEx Standards: IEC 60079-0:2011; IEC 60079-1:2014;Korean Certified (KC) for: Ex d IIC T6 Gb Process Temp ≤75°C;KTL Certificate Number: 12-KB4BO-0091.
Switch Type: SPDT snap switch standard; DPDT snap switch optional.
Electrical Rating: UL models: 5 A @125/250 VAC. CSA; ATEX and IECEx models: 5 A @ 125/250 VAC (V~); 5A res.; 3 A ind. @ 30 VDC (V ). MV option: .1 A @ 125 VAC (V~). MT option: 5 A @125/250 VAC (V~). [MT option not UL; CSA; ATEX or IECEx].
Electrical Connections: UL models: 18 AWG; 18" (457.20 mm) long. ATEX/CSA / IECEx models: terminal block.
Upper Body: Brass or 303 stainless steel.
Conduit Connections: 3/4" (19.05 mm) male NPT standard; 3/4" (19.05 mm) female NPT or M25 with BSPT option on junction box models.
Process Connection: 1/2" (12.70 mm) male NPT or 1/2" (12.70 mm) male BSPT 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 Catalog page.
Weight: 2 to 6 lb (.9 to 2.7 kg) depending on construction.
Options not Shown: Custom calibration; bushings; PVC tee; reinforced vane;DPDT relays.
Agency Approvals: ATEX; CE; CSA; IECEx; KTL; UL.