Dwyer Instruments SERIES 3ZV1 Catalog Page

Series

3ZV1

Three-Way Zone Valve

Economical, Manual Override

Size

1/2˝ 3/4˝ 1˝

A [in (mm)]

4.57 (116)

4.69 (119)

4.92 (125)

C [in (mm)]

2.48 (63)

B [in (mm)]

3.54 (90)

3.66 (93)

3.74 (95)

3ZV1 Series Zone Valves are ideal for flow control in hot and cold water HVAC systems. The 3ZV1 is electrically driven to open and spring to close. Units are available in 1/2˝, 3/4˝, and 1˝ sizes with 24 or 120 VAC power supply. Easy to install these units are direct replacements for competitor units. Manual override lever is easily accessible externally. Consult factory for 220 VAC power supply, optional auxiliary switches, and BSP or sweat connections.

Model 3ZV1022

VALVES

3ZV1024 3ZV1032 3ZV1034 3ZV1042 3ZV1044

3.78

8.02

Supply Voltage

Size

120 VAC

1/2˝

24 VAC

1/2˝

120 VAC

3/4˝

24 VAC

3/4˝

120 VAC

1˝

24 VAC

1˝

Close-off Pressure psi (bar)

22 (1.5) 22 (1.5)

14.5 (1.0)

14.5 (1.0) 10 (.70) 10 (.70)

SPECIFICATIONS Service: Compatible fluids. Body: 3-way. Line Size: 1/2˝ to 1˝. End Connections: Female NPT (optional BSP, sweat connections). Pressure Limits: Maximum: 300 psi (20.7 bar); Close-off: see model chart. Temperature Limits: Ambient: 32 to 104°F (0 to 40°C); Process: 32 to 201°F

(0 to 94°C).

Wetted Materials: Brass, SS, NBR. Flow Characteristic: Quick opening. Power Requirements: 120 VAC or 24 VAC, ±10%, 50/60 Hz (optional 220 VAC). Power Consumption: 6.5 W. Input: On/off. Electrical Connection: 22 AWG, 5˝ (127 mm) long. Cycle Time: Opening time: 11 s; Closing time: 5 s. Enclosure Rating: General purpose. Housing Material: Aluminum.

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