Overview
On-off and diverting low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.
Features
- Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure; valve returns to automatic position when power is restored.
- All models may be installed without disassembling the valve.
- Compact construction for easy installation.
- Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system.
- Actuator motor may be replaced without removing the valve body or draining the system.
Product Specifications
- Application
- Hydronic Control
- Dimensions (in.)
- 4 7/8 in. high x 3 23/32 in. wide x 2 3/8 in. deep
- Dimensions (mm)
- 124 mm high x 94 mm wide x 60 mm deep
- Comments
- Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water. Valve designed for cycling (not constantly powered on) applications.
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL Listed: File MH11826
- Approvals, Canadian Standards Association
- CSA Certified: File 1322
- Operating Humidity Range (% RH)
- 5 to 95% relative humidity, non-condensing.
- Voltage
- 24 Vac; Power Consumption--7.7 VA
- Ambient Temperature Range (C)
- 52 C Maximum
- Ambient Temperature Range (F)
- 125 F Maximum
- Connection Type
- NPT
- Electrical Connections (in.)
- 18 in. leads
- Electrical Connections (mm)
- 457 mm leads
- Timing
- Nominal Open--30 sec
- Body Pattern
- Three-way, Diverting
- Pipe Size (inch)
- 1/2 in.
- Pipe Size (DN)
- DN15
- Current Draw
- 0.32A
- Fluid Temperature (C)
- 5 C to 93 C
- Fluid Temperature (F)
- 40 F to 200 F
- Maximum Differential Pressure Ratings (Close-off) (psi)
- 20 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa)
- 138 kPa
- Capacity (Cv)
- 4 Cv
- Capacity (Kv)
- 3.4 Kv
- Valve Action
- Spring Return
- Valve Type
- Zone Valve
- Materials (Body)
- Brass
- Materials (Seat)
- Brass
- Materials (Stem)
- Stainless Steel
- Actuation
- Two position
- De-energized Position
- Port A Normally Closed
- Static Pressure Rating (psi)
- 125 psi
- Static Pressure Rating (kPa)
- 862 kPa
- Materials (Plug/Ball/Disc)
- Buna-N (NBR) Rubber Ball
- Materials (Packing)
- EPDM rubber
- Manual Opener
- Yes
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