Zone valves with return spring

Advantages of zone valves with return spring

+ Easily controlled by a switch contact
+ Favorably priced
+ Suitable for small differential pressures only

Code	Name
3349	SF-15-2-M1 2-way zone valve, 1/2“ F Zone valve with return spring PN 10 - 2-way valve SF-25-2, 1", inner thread, Kvs = 9m3/h
575	SF-20-2 2-way zone valve, 3/4“ F Zone valve with return spring PN 10 - 2-way valve - SF-20-2, 3/4", inner thread, Kvs = 7m3/h
5784	SF-20-2-E 2-way zone valve, 3/4“ M Zone valve with return spring PN 10 - 2-way valve - SF-20-2-E, 3/4", outer thread, Kvs = 7m3/h
579	SF-20-2-M1 2-way zone valve, 3/4“ F Zone valve with return spring PN 10 - 2-way valve - SF-20-2-M1, 3/4", inner thread, Kvs = 7m3/h, ...
603	SF-25-2 2-way zone valve, 1“ F Zone valve with return spring PN 10 - 2-way valve - SF-15-2-M1, 1/2", inner thread, Kvs = 6m3/h, ...
4773	SF-25-2-M1 2-way zone valve, 1“ F, inverse
3989	SF-25-2-E 2-way zone valve, 1“ M Zone valve with return spring PN 10 - 2-way valve - SF-25-2-E, 1", outer thread, Kvs = 9m3/h
614	SF-25-2-M1 2-way zone valve, 1“ F Zone valve with return spring PN 10 - 2-way valve - SF-25-2-M1, 1", inner thread, Kvs = 9m3/h, ...
4170	SF-15-M1 3-way valve, 1/2“ F Zone valve with return spring PN 10 - 3-way valve - SF-15-M1, 1/2", inner thread, Kvs = 6,6m3/h, ...
624	SF-20-E 3-way valve, 3/4“ M Zone valve with return spring PN 10 - 3-way valve - SF-20-E, 3/4", outer thread, Kvs = 7,8m3/h
640	SF-20-E-M1 3-way valve, 3/4“ M Zone valve with return spring PN 10 - 3-way valve - SF-20-E-M1, 3/4", outer thread, Kvs = 7,8m3/h, ...
958	SF-20-M1 3-way valve, 3/4“ F Zone valve with return spring PN 10 - 3-way valve - SF-20-M1, 3/4", inner thread, Kvs = 7,8m3/h, ...
4283	SF-20 3-way valve, 3/4“ F Zone valve with return spring PN 10 - 3-way valve - SF-20, 3/4", inner thread, Kvs = 7,8m3/h, 24V
642	SF-25 3-way valve, 1“ F Zone valve with return spring PN 10 - 3-way valve - SF-25, 1", inner thread, Kvs = 12,6m3/h
4223	SF-25-E 3-way valve, 1“ M Zone valve with return spring PN 10 - 3-way valve - SF-25-E, 1", outer thread, Kvs = 12,6m3/h
644	SF-25-E-M1 3-way valve, 1“ M Zone valve with return spring PN 10 - 3-way - SF-25-E-M1, 1", outer thread, Kvs = 12,6m3/h, ...
645	SF-25-M1 3-way valve, 1“ F Zone valve with return spring PN 10 - 3-way valve - SF-25-M1, 1", inner thread, Kvs = 12,6m3/h, ...
3628	SF-25-M1S 3-way valve, 1“ F Zone valve with return spring PN 10 - 3-way valve - SF-25-M1S, 1", inner thread, Kvs = 12,6m3/h, ...