Valves

VA20 2-port valve

VA20 2-port valve

The 2-port valve RESOL VA20 is used for switching flow rates in solar, heating and air conditioning systems. The VA20 is a 2-port-valve with an electrothermal actuator. The actuating time of approx. 3 minutes enables a flow rate regulation without water hammers. The VA20 comes with brass connection fittings.


VA20-NO/DN 15 R½", with actuator normally open
Article no.270 007 40 | Price bracket  B | Price on request
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Actuator
Power supply: 230 V~, 50 – 60 Hz
Power consumption: 1 W
Max. switching voltage: max. 550 mA
Ingress protection: IP 54
Protection class: II
Pollution degree: 2
Spring force: 100 N
Stroke: 4 mm
Maximum operation temperature: 0 – 60 °C
Actuation time: ca. 3.5 min
Electrical connection: 2 x 0.75 mm²; 100 cm
Power consumption: 4,3 mA
Initial position: NC: normally closed
NO: normally open

Valve
Maximum pressure: 10 bar
Housing: corrosion resistant red brass
Internal parts: brass and stainless steel
Sealings: EPDM
Connections: 1/2", 3/4", 1" and 11/4"
Temperature range: temperature resistant up to +120 °C, for a short term up to +140 °C


Dimensions VA20 (mm)
VA20 (mm)
 
  DN 15 DN 20 DN 25 DN 32
L 95 106 118 135
H 21,5 21,5 23 23
Rp 1/2 3/4 1 1 1/4
SW 30 37 47 52
VA20-NO/DN 20 R¾

VA20 2-port valve

VA20-NO/DN 20 R¾", with actuator normally open
Article no.: 270 007 60 |  Price bracket B |  Price on request
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VA20 -NO/DN 32 R1¼

VA20 2-port valve

VA20 -NO/DN 32 R1¼", with actuator normally open
Article no.: 270 008 00 |  Price bracket B |  Price on request
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VA20-DN32 - R1¼

VA20 2-port valve

VA20-DN32 - R1¼", with actuator
Article no.: 270 007 80 |  Price bracket B |  Price on request
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VA20-NC/DN 15 R½

VA20 2-port valve

VA20-NC/DN 15 R½", with actuator normally closed
Article no.: 270 007 50 |  Price bracket B |  Price on request
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VA20-NC/DN 20 R¾

VA20 2-port valve

VA20-NC/DN 20 R¾", with actuator normally closed
Article no.: 270 007 70 |  Price bracket B |  Price on request
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VA20-NC/DN 25 R1

VA20 2-port valve

VA20-NC/DN 25 R1", with actuator normally closed
Article no.: 270 007 90 |  Price bracket B |  Price on request
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VA20-NC/DN 32 R1¼

VA20 2-port valve

VA20-NC/DN 32 R1¼", with actuator normally closed
Article no.: 270 008 10 |  Price bracket B |  Price on request
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Accessories

VA20/VA300 Actuator

VA20/VA300 Actuator

SVA-NO Actuator for VA20/VA300 (normally open)


ROSA

Catalogues

Catalogue

  Product portfolio (PDF)