Siemens VXG44 3-Way Globe Control Valve, Male Thread, PN16
Siemens VXG44 Externally Threaded 3-Way Seat Control Valve PN16
The Siemens VXG44 series are 3-way seat control valves with external thread (G) connection and a bronze body. In sizes DN15–DN40 with kvs values of 4–25 m³/h, they provide mixing or diverting control in heating, cooling and domestic water circuits. Stroke 5.5 mm. Medium temperature range is 1…120 °C.
The seat valve is controlled by a linear electromotive actuator with modulating or 3-position control. Threaded fitting sets for the valve connection are available separately; compatible actuators and accessories are listed below.
Models and order codes
| Model | DN | kvs | PN | Connection | Stroke | Order code |
|---|---|---|---|---|---|---|
| VXG44.15-4 | DN15 | 4 m³/h | PN16 | G 1" | 5.5 mm | BPZ:VXG44.15-4 |
| VXG44.20-6.3 | DN20 | 6,3 m³/h | PN16 | G 1¼" | 5.5 mm | BPZ:VXG44.20-6.3 |
| VXG44.25-10 | DN25 | 10 m³/h | PN16 | G 1½" | 5.5 mm | BPZ:VXG44.25-10 |
| VXG44.32-16 | DN32 | 16 m³/h | PN16 | G 2" | 5.5 mm | BPZ:VXG44.32-16 |
| VXG44.40-25 | DN40 | 25 m³/h | PN16 | G 2¼" | 5.5 mm | BPZ:VXG44.40-25 |
Technical specifications
| Specification | Value |
|---|---|
| Number of ways | 3 |
| Connection type | External thread |
| Body material | Bronze CC491K (Rg5) |
| Medium temperature | 1…120 °C |
| Valve characteristic | Linear |
Compatible products
- Siemens SAS Electromotive Valve Actuator 400 N — SAS31.00, SAS31.03, SAS61.03
- Siemens ALG Valve Connection Union Sets (DN20–DN40) — ALG203, ALG253, ALG403
This list is verified compatibility information based on Siemens product matching data; it is not a list of similar-product suggestions. You can make the final selection with our engineering team based on your project conditions (differential pressure, stroke, control signal).
Selection and installation notes
- The kvs value is selected according to the required pressure drop across the valve at the design flow rate; an oversized kvs reduces control quality.
- When selecting the actuator, choose an actuating force suited to the valve's stroke and close-off differential pressure.
- For glycol-water mixtures or special media, verify the valve's media compatibility in the datasheet.
Technical documents
You can find them on the manufacturer's website by searching for the Siemens document number:
- A6V101031045 — Datasheet (English)
- A6V10341181 — Test report (EN 10204) (German)
For the right model selection and wholesale or project pricing, contact the Novus Energy engineering team on our WhatsApp line.