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K297R MIXING GROUP 0374EN January 2013 1 ISO 9001 0006/7 ISO 14001 0032A/2 OHSAS 18001 0064L/0 Componenti The mixing group is composed of: • K297 three way mixing valve • R564F body • Two R554D bodies • R189 fitting • Two R540Y023 thermometers • Two R227 pits • Two R592D plugs • Insulation kit Dimensions Descrizione K297 mixing valve can be used in in hydronic heating and cooling systems, for an effective control of the temperature of water delivered to the system. The mix between flow from central unit and return from the system is modulated by a piston obturator with linear characteristic. K274J actuator (24 V – 3 points floating or 0-10 V), that can be purchased separately, is completely integrated with Giacoklima thermoregulation systems. Versions e product codes Dati tecnici Max. fluid temperature: 110 °C Max. working pressure: 10 bar Female thread connections: Cylindrical gas (DIN 259, ISO 228-1) Obturator stroke: 13 mm Max. Δp with completely open valve: 249 kPa Compliance: PED 97/23/EC (Category 1, mod. A) CE mark applied Mixing valve Materials Valve body: bronze - ANSI B16.15, class 250 Stem: stainless steel Seat and obturator: brass with soft disc Stuffing box: EPR conical scalar ring K297R 60 120 27 120 267 144 204 R189 fitting K297 mixing valve (K297Y006) R592D plug R592D plug R564F body R554D body R540Y023 thermometer R227 pit Product code DN Threaded connections Kv Actuator product code K297RY016 32 1 1/4”F 16 K274Y022 (3 punti flottante) K274Y042 (0-10 V)
Transcript of Descrizione - Giacoministatic.giacomini.com/giacomini.com/catalog/technical_documentation/... · 2...
K297R mixing gRoup
0374EN January 2013
1
ISO90010006/7
ISO140010032A/2
OHSAS180010064L/0
ComponentiThe mixing group is composed of:• K297 three way mixing valve• R564F body• Two R554D bodies• R189 fitting• Two R540Y023 thermometers• Two R227 pits• Two R592D plugs• Insulation kit
Dimensions
DescrizioneK297 mixing valve can be used in in hydronic heating and cooling systems, for an effective control of the temperature of water delivered to the system. The mix between flow from central unit and return from the system is modulated by a piston obturator with linear characteristic.K274J actuator (24 V – 3 points floating or 0-10 V), that can be purchased separately, is completely integrated with Giacoklima thermoregulation systems.
Versions e product codes
Dati tecniciMax. fluid temperature: 110 °CMax. working pressure: 10 barFemale thread connections: Cylindrical gas (DIN 259, ISO 228-1)Obturator stroke: 13 mmMax. Δp with completely open valve: 249 kPaCompliance:PED 97/23/EC (Category 1, mod. A) CE mark applied
Mixing valve MaterialsValve body: bronze - ANSI B16.15, class 250Stem: stainless steelSeat and obturator: brass with soft discStuffing box: EPR conical scalar ring
K297R
60
120
2712
0
267
144
204
R189fitting
K297 mixing valve(K297Y006)
R592D plug
R592D plug
R564Fbody
R554Dbody
R540Y023thermometer
R227pit
Product code
DNThreaded
connectionsKv Actuator product code
K297RY016 32 1 1/4”F 16K274Y022 (3 punti flottante)
K274Y042 (0-10 V)
K297R mixing gRoup
0374EN January 2013
2
ISO90010006/7
ISO140010032A/2
OHSAS180010064L/0
Example of application
K297R mixing group can be placed before R586 circulation groups, in order
to mix water delivered to the system.
Losses of pressure of the mixing valve
1,00
Kv=16
10,0
0,10
1,00,01
0,1
Δp
(bar
)
Q (m3/h)
Additional informationFor additional information please check the Giacomini website at the following address: www.giacomini.com
' +39 0322 923 3726 +39 0322 923 255
This pamphlet is merely for information purposes. Giacomini S.p.A. retains the right to make modifications for technical or commercial reasons, without prior notice, to the items described in this pamphlet. The information described in this technical pamphlet does not exempt the user from following carefully the existing regulations and norms on good workmanship.
Giacomini S.p.A. Via per Alzo 39, I-28017 San Maurizio d’Opaglio (NO) Italy
R586RY001
R586RY001
R586IY001
R586IY001
Tappi
R592DK274J (24 VAC)
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