AVTA Thermostatically Self-acting Cooling Water Valve

AVTAAVTA Thermostatically self-acting coolingwater valve♦ For self acting thermostatic control and regulation of machinesor installations.♦ Standard temperature regulation range: 0 to 30°C, 10 to 80°C,25 to 65°C or 50 to 90°C.♦ G 3 /8" to G1" end connections♦ Also available in DZR brass or stainless steelTechnical dataMedia temperature:Differential pressure:-25 → +130°C0-> 10 barMax. Working pressure: 16 barMax. Test pressure:25 barMaterials: Standard valve body: Brass. Stainless steel or DZR bodies on requestOpens on rising sensor temperature. The valve is pressure-relieved, i.e. the degree of opening is not affectedby differential pressure rp (pressure drop). The regulation range is defined for the point at which the valvebegins to open.AVTA with absorption chargeThe charge consists of active carbon and CO2 which isadsorbed on falling sensor temperature and therebyproduce pressure changes in the element.Special characteristics• Wide regulating range• Small sensor dimensions - 09.5x160 mm. The sensorcan be installed in any position as far as orientation andtemperature are concernedOrdering, AVTA with absorption chargeConnectionRegulatingrange [°C]Max. sensortemperaturekv value(m 3 /h at rp = 1 bar)Capillary tubelength [m]Type Code no. 1)G 3 /8 +10-4 +80°C +130°C 1.4 2.3 AVTA 10 003N1144G 1 /2 1.9 AVTA 15 003N0107G 3 /4 3.4 AVTA 20 003N0108G15.5 AVTA 25 003N01091) Code no. covers complete valve incl. capillary tube gland.AVTA with universal chargeThe charge is liquid/gas where the liquid surface (regulatingpoint) is always inside the sensor. Which charge medium isused depends on the temperature range.Special characteristics• Sensor dimensions 018x210 mm.The sensor must be installed horizontally or with the freeend pointing down-wards. The sensor can be installedcolder or warmer than the valve.• Max. pressure on sensor 25 barOASIS INSTRUMENTS CODomestic Sales: 2 - 2 - 103 to 108 Ranigunj, Ganesh Chamber, 2nd Floor, Secunderabad - 500 003, Andhra Pradesh, India, Telefax: +91-40-40025290E-mail: oasis_instruments@yahoo.co.in, info@oasisinstruments.com, Url: www.oasisinstruments.com

AVTAOrdering, AVTA with universal chargeConnection Regulating Max. sensor Kv value Capillary tube Type Code no. 1)range (°C) temperature (m 3 /h at Ap = 1 bar) length (m)G 3 /8 1.4 AVTA10 003N1132G 1 /20→ +30°C +57°C 1.92 AVTA15003N2132G 3 /43.4AVTA20003N3132G15.5 AVTA25 003N4132G 3 /8 1.4 AVTA10 003N1162G 1 /2G 3 +25→ +65°C +90°C 1.92 AVTA15003N2162/43.4AVTA20003N3162G1 5.5 AVTA25 003N4162G 3 /8 1.4 AVTA10 003N1182G 1 /2G 3 +50→ +90°C +125°C 1.92 AVTA15003N2182/43.4AVTA20003N3182G1 5.5 AVTA25 003N4182G1 5.5 3 AVTA25 003N4183 2)1) Code no. covers complete valve incl. capillary tube gland.2) 02 mm bypass is drilled in the valve body. Valve body with bypass.AccessoriesDesignation Description Code no.Sensor pocket for Ø18 mmSensor L = 220 mmMax. Pressure 25 barSensor pocket for Ø9.5mmsensor L = 182 mm,max. pressure 25 barBrass G 3 /4003N0050 003N0051Brass 14 NPT003N019218/8 Stainless steel 1 ' G 3/4Brass G ½18/8 steel" G 1 /2993N3569003N0196Mounting bracket For AVTA 003N0388Heat-conductive compound1 nitrile diaphragmfor mineral oil5 gram tube0.8 kg TinFor AVTA 10/1 5For AVTA 20For AVTA 25041E0110 041E0111003N0445 003N0446003N0447Capillary tube gland G 1 /2Q3/43 /4 - 14 NPT017-4220 003N0155003N00562 O-rings2 diaphragmsValve coneFor AVTA 10/15For AVTA 20For AVTA 25003N400600 003N400700003N400800For more information see datasheetDKACV.PD.500.A2.Type AVTA 10 AVTA 15 AVTA 20 AVTA 25HI 1(mm)240 240 240 240H2(mm)L(mm)L!(mm)133 133 133 13372 72 90 9514 14 16 19a G 3 /8 GV? G 3 /4 G1b C'27r '27 32 41(mm)OASIS INSTRUMENTS CO2 - 2 - 103 to 108 Ranigunj, Ganesh Chamber, 2nd Floor, Secunderabad - 500 003, Andhra Pradesh, India, Telefax: +91-40-40025290E-mail: oasis_instruments@yahoo.co.in, info@oasisinstruments.com, Url: www.oasisinstruments.com