V4 Series FLOTECT Explosion Proof Flow Switch - Brass or 316 Stainless Steel Body, 1000-2000 psig Pressure Rating

Price Negotiable
Price: $460-$588/PCS
MOQ: 1
Delivery Time: 14 work days
Brand: Dwyer
Product Description
V4 Series FLOTECT® Vane Flow Switches
The V4 Series FLOTECT® Vane Flow Switches provide reliable protection for equipment and piping systems against damage from reduced or lost flow. With field-adjustable operation for 1.5"-20" pipes and explosion-proof construction, these switches feature a unique magnetic actuated design that eliminates bellows, spring, and seal failures.
Key Features
  • Anti-leakage switch body machined from bar stock
  • Field-adjustable universal blades or custom blade options
  • Weatherproof NEMA-4 design with explosion-proof certification
  • Easy installation via welded pipe threads, tee threads, or flanges
  • Suitable for pipes larger than 1.5 inches
  • Electrical components replaceable without process interruption
  • Brass body withstands 1000 psig (69 bar) pressure
  • 316 stainless steel body withstands 2000 psig (138 bar) pressure
Applications
  • Protect pumps, motors, and equipment from low/no flow damage
  • Control sequential operation of pumps and equipment
  • Automatic start of auxiliary pumps and engines
  • Shutdown protection for water-cooled engines and processes
  • Heater safety control when air flow is interrupted
  • Flow-based gate control systems
Technical Specifications
Parameter Specification
Media Compatibility Gas or liquid compatible with wetted parts
Wetted Materials Blade: 316 stainless steel
Body: Brass or 316 Stainless Steel
Magnet: 430 stainless steel standard (316 optional)
Temperature Range Standard: -4 to 275°F (-20 to 135°C)
High Temp Option: 400°F (205°C)
Pressure Range Brass: 1000 psig (69 bar)
316 SS: 2000 psig (138 bar)
High Pressure Option: 5000 psig (345 bar)
Protection Ratings Weatherproof & Explosion-proof
UL/CSA Class I, Groups C&D; Class II, Groups E,F&G
ATEX, SAA, FM Approved
Switch Configuration SPDT standard, DPDT optional
Electrical Ratings UL/FM/ATEX/SAA: 10A @ 125/250 VAC
CSA: 5A @ 125/250 VAC
Pipe Connections 3/4" FNPT process connection
Installation Within 5 degrees of vertical or horizontal with riser
Weight 4 lbs 8 oz (1.9 kg)
Model Variants
V4-2-U: Brass Body, Universal Blade
V4-SS-2-U: 316 Stainless Steel Body, Universal Blade
V4: Brass body, custom blades
V4-SS: 316 stainless steel body, custom blades
Available Options
  • -D: DPDT contact configuration
  • -MV: Gold plated contacts for dry circuits
  • -MT: High temperature operation to 400°F (205°C)
  • -TRI/-TRD: Time delay relay (0-31 seconds)
  • -316: 316 stainless steel magnets
  • -SAA: SAA listed construction
  • -V: Vertical flow configuration
  • -AT: ATEX listed construction
V4 Series FLOTECT Flow Switch installation and operation diagram V4 Series Flow Switch internal mechanism and components V4 Series Flow Switch in industrial pipeline application
Certifications
UL, CSA, CE, FM, SAA and ATEX certified for industrial safety and reliability.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Mengchuan Instrument Co,Ltd.
Location 58 Longhe Road, Liushi Town,Wenzhou, Zhejiang, China 325604
Contact Person Kiki

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