Product Overview

www.usa.siemens.com/hvac
Valves
D-165
Description
Designedtoprovideexcellentequalpercentageow
control,theBallValvesareavailablein1/2to2-inchline
sizesandare1/4-turnrotarycontrolvalves.Theseball
valvesaredesignedtocouplewithanOpenAiractuator.
Features
• Universalmountingplateaccommodatesdifferent
actuatorsizes
• Varietyofballsizesandowcoefcientsminimizes
theneedfordownsizingpipes
• Industryleadingshutoffaccuratelycontrolsuid
through coils
• Actuatorandplatecanberotatedtofacilitate
installation and wiring
• Standoffsprovideathermalbarrierbetweenthe
actuatorandthemountingplate
• Plasticmountingplate,extensions,andhandledonot
condensate in chilled or hot water applications
• Operatinghandlecanmanuallyoperatevalveinthe
event of a power failure
Applications
Ball Valves can control hot or chilled water and up to
50% glycol solution in convectors, fan coil units, unit
conditioners, radiation, and reheat coils.
Application Drawings
Theparabolicshapeoftheowoptimizeroriceallowsa
slowopeningvalve.Equalmovementsofthevalvestem
atanypointoftheowrangechangestheexistingowan
equalpercentageregardlessoftheexistingow.Theball
valveequalpercentageowcharacteristicmirrorstheow
characteristic of a coil, resulting in linear heat transfer.
Flow Optimizer
Ball Valve Equal Percentage
Flow Control.
2-wayBallValveandActuator. 3-wayBallValveandActuator.
Ball Valve
Two-way and Three-way Ball Valves
24 Vac Proportional Control

Summary of content (7 pages)