Caleffi in the world
  
 
Home > Catalogo > Distribution manifolds, zone valves, boxes and accessories > Motorised valves for central heating systems
Products

Catalogue

the widest range

Distribution manifolds, zone valves, boxes and accessories
Motorised valves for central heating systems
Motorised ball valve. Three-way with manual opening. With auxiliary microswitch.
637
Motorised ball valve. Three-way with manual opening. With auxiliary microswitch.
Description:
Motorised ball valve. Three-way 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 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
6370731 1/4"2023030,001-
6370831 1/2"2023039,201-
6370932"3523067,001-
6370851 1/2"202439,201-
6370553/4"15249,801-
6370952"352467,001-
6370533/4"152309,801-
6370631"1523017,701-
6370651"152417,701-
6370751 1/4"202430,001-
6371533/4"152306,501-
6371631"152309,801-
6371731 1/4"2023017,701-
6371831 1/2"2023030,001-
6371932"3523039,201-
6371553/4"15246,501-
6371651"15249,801-
6371751 1/4"202417,701-
6371851 1/2"202430,001-
6371952"352439,201-

printPrint technical info sheet
Last update 07/12/2011 D.Lgs. 231 | Disclaimer | Credits | Copyright | Legal information
P. I. IT04104030962 - © 1961-2012 Caleffi S.p.a. - All rights reserved.