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Caleffi Zone Valves
Hydronic Heating 2 Way Zone Valves
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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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Caleffi Zone Valve Valve Body Specs:
- 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)
- Connection: - sweat: 3/4" - 1"
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Caleffi Zone Valve Valve Actuator Specs:
- Actuator Material Base/Cover - polycarbonate
- Actuator Material Baseplate - aluminum
- AC voltage - 24V - 120V - 208V - 230V - 277V; 50/60 Hz
- Power Connections - terminal screws with auxiliary switch: 24V only
- Power Connections wire lead length - 18" 24V only
- Power Connections wire lead length - 6" 120, 208, 230, 277V
- Power requirements - 6.5 W, 7 VA
- Ambient temperature range - 32 to 104°F 24V, 120V
- Ambient temperature range - 32 to 170°F 208V, 230V, 277V
- Auxiliary switch capacity - 0.4A, 24V (24V only)
- Auxiliary switch capacity - 5.0A, 250V (120, 208, 230, 277V)
- Humidity - 95% non-condensing
- Full Stroke Time Open - < 60 seconds
- Close - < 10 seconds
- Approvals - UL, cUL Listed & CE
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Caleffi Zone Valve Features:
- Compact Design - fits inside baseboards and fan coils
- 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
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Caleffi Zone Valves - Prices - Techs and Specs
Caleffi Zone Valve 24 volt Normally Closed 2-way 3/4 inch Sweat, 7.5 Cv, 20 psi - Z45
Caleffi Zone Valve 24 volt Normally Closed 2-way, 3/4 inch Sweat 7.5 Cv, 20 psi - Z55
Caleffi Zone Valve 24 volt Normally Closed 2-way, 1 inch Sweat, 7.5 Cv, 20 psi - Z56
Caleffi Zone Valve 24 volt Normally Closed 2-way, 1-1/4 inch Sweat, 7.5 Cv, 20 psi - Z57
Caleffi Zone Valve Actuator Normally Closed 24 Volt with microswitch 18 inch wire - Z111000
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Caleffi Zone Valve Manual
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