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Series V7

Date post: 30-May-2015
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Series V7 Paddle Flow Switch The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2011 Dwyer Instruments, Inc
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Page 1: Series V7

Series V7 Paddle Flow Switch

The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc.

©Copyright 2011 Dwyer Instruments, Inc

Page 2: Series V7

V7 Flow Switch

Flow switch to meet boiler code pressure and temperature requirementsApproved to UL 353

Safety device ratingV7 web page has link to the file

Page 3: Series V7

Where it Fits

The V10 and V8 do not meet boiler code pressure and temperature ratingsThe V6 does meet but is too expensiveSo the V7 fits that gap

Page 4: Series V7

Models

Page 5: Series V7

Pipe Sizes

It can be used over 4” pipeWe can set up specials in tees and preset for large quantities

Page 6: Series V7

Specifications

Wetted Materials: 301 SS, 302 SS, ceramic magnet, body: brass or 316 SSTemperature Limits: -40 to 121 ̊ CPressure Limits: 17.2 barEnclosure Rating: IP66Switch Type: SPDTElectrical Rating: 10A @ 125, 250, 480 VAC

Page 7: Series V7

Specifications

Conduit Connection: 1/2” NPSMProcess Connection: 1” male NPTMounting Orientation: Horizontal or vertical No vertical down flowSet Point Adjustment: Vane is trimmableAgency Approvals: CE, UL 353

Page 8: Series V7

Selling Points

Key Selling PointsMagnetic Switch Mechanism

Superior to direct drive – no wear or leaks

Stronger VaneVery common to have vanes break on competitor units

Page 9: Series V7

Selling Points

Key Selling PointsIntegral weatherproof housing

Competitors are general purpose with weather-proof optionalOften used for pool boilers as installed outside

Page 10: Series V7

Other Items

Standard this has the same vane as the V6, but we can put in the V10 vane too

Some customers prefer the reinforced vane

Page 11: Series V7

Key Application

All boilers require safety devices according to ASME code

Can be flow, level, pressure, temperature depending on boiler typeVery common to be a flow switch on the water outlet

Page 12: Series V7

Applications

Copper fin boilersAlways use a flow switch on the hot water outlet to shut down boiler with loss of flow

Common on commercial hot water heaters

Page 13: Series V7

V7 Boiler Example

Page 14: Series V7

Applications

General flow provingPump proving

IrrigationBuilding Automation Systems

Leak proving

Page 15: Series V7

Questions

To order a free catalog or for more information contact;Dwyer Instruments, Inc., P.O. Box 373,

Michigan City, IN., 46361Telephone: (800) 872-9141 or (219) 879-8000

Fax: (219) 872-9057Internet address: www.dwyer-inst.com

E-mail: [email protected]


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