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Motorised valves for central heating systems
Motorised ball valve. Two-way full bore with manual opening. With auxiliary microswitch.
637
Motorised ball valve. Two-way full bore with manual opening. With auxiliary microswitch.
Description:
Motorised ball valve. Two-way full bore with manual opening. With auxiliary microswitch.
230 V or 24 V - 50 Hz.
Max. working pressure: 40 bar.
Max. Dp: 6 bar.
Working temperature range: -10–100°C.
Max. ambient temperature: 55°C.
Power consumption: 3/4” and 1”, 3 VA;
1 1/4”–2”, 5 VA.
Rating of auxiliary microswitch contacts: 1A.
Protection class: IP 42.
Operating time: 60 s.
(90° rotation).


International approvals:

Conformità alle direttive 89/336/CE e 72/23/CE
Articles:
codeconnectiontorque (N·m)supply (V)Kv (m3/h)packpackage
6370523/4"15230141-
6370621"1523025,51-
6370543/4"1524141-
6370641"152425,51-
6370721 1/4"20230431-
6370821 1/2"20230561-
6370922"35230961-
6370741 1/4"2024431-
6370841 1/2"2024561-
6370942"3524961-

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