Siemens 244-00234 : 3-Way 1/2" 599 Series Zone Valve, Threaded NPT Connection, Cv Rating 4.0, Electronic Non-Spring Return Valve Actuator, 24VAC, Floating Control Input, Normally Closed
Typical applications include control of hot or chilled water for zones with radiators, floor heating by manifolds, fan coil units, induction units, cooling ceilings (zone valves), wall-mounted boilers (zone valves), and VAV applications.
Specifications
| Valve Size | 1/2" |
| Flow Coefficient, Cv | 4.0 |
| Valve Body Style | Stroke-Globe |
| Port Configuration | 3-Way Normally Closed |
| End Connection | NPT |
| Connecting thread | NPT |
| Material, valve body | Brass |
| Trim Material | Brass |
| Material, inside set | Trim: Brass , Stem: Stainless Steel ASTM A582 Type 303 , Seat: Metal-to-Metal , Packing: EPDM O-ring |
| Flow Characteristic | Linear |
| Medium | Water, Water with anti-freeze |
| Pressure Class | ANSI 125 |
Actuator Specifications (SSA81U - 244 Prefix Code)
| Actuator Type | Electronic |
| Fail Safe | Yes |
| Control Signal | Floating control |
| Supply Voltage | 24 VAC |
| Potionsing Time | 150 s |
| Mounting Positions | NEMA 1 (Indoor Only) |
Datasheets
 | Siemens 599 Series Technical Bulletin |
| Siemens 599 Series Technical Instructions |
| Siemens 599 Series Submittal Sheet |
- Valve Pattern:
- 3-Way
- Valve Size:
- 1/2 Inch
- Connection Type:
- NPT
- CV Rating:
- 4.0
- Actuator Type:
- Non Fail-Safe
- Voltage:
- 24VAC
- Control Signal:
- Floating Point
- Auxillary Switch:
- None
