HBProducts | Modulating Valve - MVS661
Product series: MVS661
The MVS661..N refrigerant valve is designed for modulating control of refrigerant circuits including chillers and heat pumps. It is suitable for use in expansion, hot-gas and suction throttle applications. In addition to ammonia (R717), the valve can handle all standard safety refrigerants, noncorrosive gases / liquids and CO2 (R744). It is not suited for use with inflammable refrigerants.
MVS661 can be controlled and supplied directly by a HBX vapor quality sensor or a HBSLC/HBSLT Level sensor. This reduce cabling cost, PLC programming cost and PLC hardware cost.
We recommend using the "Siemens Modulating Valve Selection Program" for calculating valve size [kW], which can be downloaded for free under the "Downloads" tab.
We recommend Siemens valves for evaporators larger than 150 kw when using ammonia.
Prodcut Features
- One valve type for expansion, hot-gas and suction throttle applications
- Hermetically sealed
- Selectable standard interface DC 0/2...10 v or DC 0/4...20 mA
- High resolution and control accuracy
- Precise positioning control and position feedback signal
- Short positioning time (< 1 second)
- Closed when deenergized
- Robust and maintenance-free
- DN 25 with kvs values from 0,10 to 6,3 m3/h
Specifications
Order Code
| Part no. | Kvs [m3/h] | QoE [kW]* |
|---|---|---|
| Siemens MVS...0.16N | 0,16 | 60 |
| Siemens MVS...0.4N | 0,4 | 150 |
| Siemens MVS...1.0N | 1 | 375 |
| Siemens MVS...2.5N | 2,5 | 940 |
| Siemens MVS...6.3N | 6,3 | 2365 |
| Siemens MVS...0.16N-IP | 0,16 | 60 |
| Siemens MVS...0.4N-IP | 0,4 | 150 |
| Siemens MVS...1.0N-IP | 1 | 375 |
| Siemens MVS...2.5N-IP | 2,5 | 940 |
| Siemens MVS...6.3N-IP | 6,3 | 2365 |
| *Calculated value from the Siemens calculation program Te=-20, Tc=30. Superheat and subcooling 2K Refrigerant R717 | ||
| IP is with integrated heater | ||
| We recommend using the "Siemens Modulating Valve Selection Program" for calculating valve size [kW], which can be downloaded for free under the "Downloads" tab | ||
Spare Parts
| Siemens ASR61-IP Replacement electronics for MVS661 with heater | Valve insert ASR..N |
|---|
Additional Infomation
| Mechanical spare part no. | Kvs [m3/h] | DN |
| Siemens ASR0.16N | 0,16 | 25 |
| Siemens ASR0.4N | 0,4 | 25 |
| Siemens ASR1.0N | 1,0 | 25 |
| Siemens ASR2.5N | 2,5 | 25 |
| Siemens ASR6.3N | 6,3 | 25 |
- *An exchangeable ASR..N valve insert allows for differen
- *kvs-values with the same type of DN25 valve. In the event of service,
- *this insert can also be replaced on the plant
Electonic Spare Part Order No.
| Electronic spare part no. | Description | Additional info |
| Siemens ASR61 | Replacement electronic part for Siemens MVS661 | |
| Siemens ASR61-IP | Replacement electronic part for Siemens MVS661-IP | With integrated heating element |
