VFZ220 Threaded globe valves in cast iron, stroke 5.5 mm
VFZ valve bodies are used in HVAC systems to control fluid in heating, cooling, refrigeration, ventilation in civil or industrial plants. VFZ valve bodies are motorized by SE4 series electric actuators.
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Specifications
| Nominal diameter | DN20 |
|---|---|
| Connection | G 3/4" |
| Kvs | 6.3 m 3 /h m 3 /h |
| Max. diff. pressure | 200 (500) kPa |
| Pressure rating | PN16 (ISO7268 / EN1333) |
|---|---|
| Connection | BSP internally threaded |
| Flow characteristics | Linear |
| Max. leakage | Direct way A → AB perfect sealing Indirect way B → AB 0.2 % Kvs |
| Media temperature | -10…+120°C |
| Media | Water, water with glycol max. 50% |
| Rangeability | 50:1 |
| Stroke | 5.5mm |
| Body | Cast-iron G25 |
| Plug | Brass OT58 |
| Stem | Stainless steel AISI 304 |
| Spring | Stainless steel AISI 304 |
| Packing box | Brass OT58 |
| O-rings | FKM |