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Motorised valves for central heating systems
Two-way motorised ball valve with manual opening. 3/4"–2"
637
Two-way motorised ball valve with manual opening. 3/4"–2"
Description:
Two-way motorised ball valve with manual opening. Full bore.
With auxiliary microswitch.
Supply: 230 V (ac) or 24 V (ac).
Max. working pressure (static): 40 bar.
Max. Δp: 6 bar.
Temperature range: -10–95°C.
Max. ambient temperature: 55°C.
Power consumption: 3/4” and 1”: 3 VA.
1 1/4”–2”: 4,4 VA
Auxiliary microswitch contact rating:
3/4” and 1” 10 (2) A - 250 V (ac) - single switch.
1 1/4”–2” 16 (6) A - 250 V (ac) - double switch.
Protection class: IP 65.
Operating time: 60 s (90° rotation).


International approvals:

Conformità alle direttive 89/336/CE e 72/23/CE
Articles:
code.Torque (N·m)Supply voltage VKv (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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