VA300 Changeover valve
The VA300 is a 3-port-valve with an electrothermal actuator. The actuating time of
approx. 3 minutes enables a flow rate regulation without water hammers.
VA300-NO / DN 25 R 1" with actuator NO 230 V~ (normally open) and fittings
Variants:
VA300 Changeover valve
VA300-NC/DN 25 (normally closed) R1", with actuator and fittings
VA300-NC/DN 25 (normally closed) R1", with actuator and fittings
Dimensions VA300 (mm)
| DN 20 (¾") | DN 25 (1") | DN 32 (1¼") | DN 40 | |
|---|---|---|---|---|
| L | 64 | 84 | 115 | 115 |
| H | 36 | 46 | 106 | 106 |
| H1 | 44,5 | 50 | 64 | 64 |
| H2 | 114,5 | 120 | - | - |
| H3 | 93 | 98,5 | - | - |
| SW | 37 | 47 | 66 | 66 |
VA300 Changeover valve
Maximum temperature flow/return:
Maximum pressure: 10 bar
Housing: corrosion resistant red brass
Sealings: EPDM
Connections: ¾", 1", 1¼" und 1½"
Internal parts: brass and stainless steel
Valve:
Max. operating pressure:
Maximum temperature:
Fittings:
Temperature range: temperature resistant up to +120 °C, for a short term up to +140 °C
VA20/VA300 Actuator
Power supply: 230 V~, 50 – 60 Hz
Power consumption: 1 W
Max. switching voltage: max. 550 mA
Ingress protection: IP 54
Pollution degree: 2
Maximum operation temperature: 0 – 60 °C
Spring force: 100 N
Stroke: 4 mm
Actuation time: ca. 3.5 min
Protection class: II
Electrical connection: 2 x 0.75 mm²; 100 cm
Initial position: NC: normally closed (VA300:flow direction from I to III)
NO: normally open (VA300:flow direction from I to II)
NO: normally open (VA300:flow direction from I to II)