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Highlights

Zone valve are used to automatically shut-off the flow or redirect hot and chilled water in hydronic systems, open systems, closed systems, low-pressure steam
2-position, on/off, spring return actuator has an end-mounted push button for quick installation to the valve body
Zone valve provides 100% bubble-tight seat close-off leakage
The high temperature and high close-off performance characteristics of these zone valves, combined with the compact size, makes them suitable to fit inside baseboards or directly in fan coil units
The actuator is equipped with auxiliary micro-switch and are normally closed with screw terminal connections
0 - 0.4 A at 24 V auxiliary micro-switch contact rating
Less than 60 sec full on stroke, 6 sec full off stroke
Polycarbonate base and cover, aluminum base plate actuator
(2) O-ring seals and EPDM paddle
Includes Z151000 with auxiliary switch, screw terminal connection, Z300687 male union body, (2) NA16265 press fittings

Specifications

Mid-City Product ID: 398845

Manufacturer: Caleffi

Manufacturer Part Number: Z55P

UPC: 8016615471182

Actuator Type: On-Off

Additional Information: Overall Length 5-5/8 Inch; Lay Length 3-3/4 Inch; Power Consumption 5 Watt, 7 Volt Amp; Flow Capacity 7.5 Cv

Applicable Standard: UL, UL (Canada and US), CE

Application: For hydronic heating and cooling system applications

Brand: Caleffi

Configuration: NC

Connection Type: Press

End Connection: Press Union x Press Union

Environmental Conditions: 95% RH Non-Condensing

Flow Coefficient Cv: 7.5

Inclusions Features: Spring Return, Auxiliary Micro-Switch, Switch Connection Terminal

Input Supply Rating: 24 Volt AC

Material: Forged Brass

Nominal Size: 3/4 Inch

Number Of Ways Position: 2-Way/2-Position

Power Consumption: 7 V-A

Power Rating: 5 W

Pressure Rating: 300 PSI Maximum

Seal Material: EPDM O-Ring

Seat Material: Machined Brass

Series: Z

Service Type: Hot or Chilled Water, 50% Glycol

Standards/Approvals: UL 873, cUL Listed and CE Certified, UL 1995 Sec. 18 air plenums and ducts, US Patent 7048251, Low lead laws and Listed, by ICC-ES

Stem Material: Stainless Steel

Temperature Rating: 32 to 240 Deg F

Type: 2-Way

UNSPSC: 40141609

Valve Position: NC

Voltage Rating: 24 VAC at 50/60 Hz

Documentation

Questions?

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