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Caleffi Zone Valve Terminal Connection - 24 volt Normally Closed 2-way 3/4 inch Sweat, 7.5 Cv, 20 psi - Z55 Buy Page
Caleffi Zone Valve for Hydronic Heating Systems
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Caleffi Zone Valve Z55
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The Caleffi Zone Valve Z55 is a two position spring return valve, is used in heating and air-conditioning
systems.
The Z-one™ actuator has a synchronous motor that winds the return spring and moves the valve
paddle to the desired position. When power is removed the actuator spring returns the valve paddle.
Caleffi Zone Valves are perfect zone valves for hydronic heating systems.
Compact Design - fits inside baseboards and fan coils and Economical Operation - 7VA current draw allows up to
five valves per 40VA transformer. Versatile - all temperature components for chilled or hot water up to 240°F,
can be fitted vertically or horizontally. Quieter Operation - large valve cavity means quiter flow and eliminates
water hammer. Easy to Install and Remove - in-line push button allows installation and removal of the actuator in
seconds.
Caleffi Zone Valve Valve Z55 Body Specs:
- Connection - sweat
- Connection size - 3/4 inch
- Body Material - forged brass
- Body Material Seat - machined brass
- Body Material stem - stainless steel
- Body Material two o-ring seals and paddle: EPDM
- Flow - 1 to 7.5 Cv (0.9 to 6.5 kv)
- Medium - water and glycol, low pressure steam
- Maximum percent of glycol - 50%
- Temperature range - 32 to 240°F
- Max. static pressure 0- 15 psi (1 bar) steam / 300 psi (20 bar)
Caleffi Zone Valve Valve Z55 Actuator Specs:
- Actuator Material Base/Cover - polycarbonate
- Actuator Material Baseplate - aluminum
- Valve - Normally Open
- AC voltage - 24V
- Power Connections - Terminal Block screws with auxiliary switch
- Power requirements - 6.5 W, 7 VA
- Ambient temperature range - 32 to 104°F
- Auxiliary switch capacity - 0.4A, 24V
- Humidity - 95% non-condensing
- Full Stroke Time Open - < 60 seconds
- Close - < 10 seconds
- Approvals - UL, cUL Listed & CE
- Warranty - 2 Years
The Caleffi Zone Valve Z-one™, a two position spring return valve, is used in heating and air-conditioning systems.
The Z-one™ series consists of a Z1 actuator which is easily attached to a Z2 (2-way) or
Z3 (3-way) valve body. The Caleffi Zone Valve Z1 actuator is equipped with or without a micro switch.
The Z-one™ actuator has a synchronous motor that winds the return spring and moves the valve
paddle to the desired position. When power is removed the actuator spring returns the valve paddle.
Caleffi Zone Valves are perfect zone valves for hydronic heating systems.
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