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
Valvola motorizzata a sfera, a tre vie. Con foratura "T".
637
Valvola motorizzata a sfera, a tre vie. Con foratura "T".
Description:
Three-way motorised ball valve with manual opening.
With auxiliary microswitch.
Supply: 230 V (ac) or 24 V (ac).
Max. working pressure (static): 16 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 - “T” drilling).


International approvals:

Conformità alle direttive 89/336/CE e 72/23/CE
Articles:
code.Torque (N·m)Supply voltage VKv (m³/h)packpackage
6371533/4"152306,51-
6371631"152309,81-
6371932"3523039,21-
6371553/4"15246,51-
6371731 1/4"2023017,71-
6371831 1/2"20230301-
6371751 1/4"202417,71-
6371851 1/2"2024301-
6371651"15249,81-
6371952"352439,21-

printPrint technical info sheet
Last update 05/11/2012 D.Lgs. 231 | Disclaimer | Credits | Copyright | Legal information
P. I. IT04104030962 - © 1961-2012 Caleffi S.p.a. - All rights reserved.