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Siemens Acvatix VVF53 VVF53.40-25C DN40 PN25 Two-Port Seat Valve
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
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Overview
- Use a released actuator with the correct stroke, force and control signal.
- Match the piping pressure class and flange dimensions.
- Flush the pipework and verify the body flow direction before commissioning.
SIEMENS · Acvatix VVF53
VVF53.40-25C DN40 PN25 Two-Port Seat Valve
The VVF53.40-25C is a Siemens Acvatix two-port flanged seat valve in DN40 and PN25, with a kvs flow coefficient of 25 m³/h for modulating HVAC applications.
At a Glance
| Brand | Siemens |
|---|---|
| Model | VVF53.40-25C |
| Product Type | Flanged two-port control valve |
| Core Function | Modulates water or thermal-fluid flow through a DN40 valve with a kvs value of 25 m³/h |
| Application or Compatible Series | HVAC heating, ventilation and district-energy circuits using compatible Siemens actuators |
Exact Identification
Match VVF53.40-25C character by character before replacement.
Interface Check
Confirm the installed supply, terminals, network and field wiring.
Project Backup
Preserve the validated configuration and application data before exchange.
Product Overview
The VVF53.40-25C is a Siemens Acvatix two-port flanged seat valve in DN40 and PN25, with a kvs flow coefficient of 25 m³/h for modulating HVAC applications.
The equal-percentage valve characteristic supports stable hydronic control over the operating range. The documented medium-temperature range supports heating and energy-transfer circuits. The DN40 flanged construction is designed for PN25 piping systems.
Key Functions
Modulating Two-Port Control
The equal-percentage valve characteristic supports stable hydronic control over the operating range.
High-Temperature Service
The documented medium-temperature range supports heating and energy-transfer circuits.
Flanged PN25 Body
The DN40 flanged construction is designed for PN25 piping systems.
Official Specifications
| Valve Type | Two-port seat valve |
|---|---|
| Nominal Size | DN40 |
| Nominal Pressure | PN25 |
| Flow Coefficient kvs | 25 m³/h |
| Connection Type | Flanged |
| Control Characteristic | Equal percentage |
| Permitted Medium Temperature | -25 to +130 °C |
| Valve Stroke | 20 mm |
| Flow Direction | As marked on the valve body |
| Application Media | Water and approved water/glycol mixtures |
| Control Function | Modulating flow control |
| Actuator Interface | Siemens Acvatix actuator range released for VVF53 valves |
Frequently Asked Questions
Which pipe connection is required for VVF53.40-25C?
Use matching DN40 PN25 flanges, gaskets and fasteners selected for the installation medium.
What actuator should be paired with VVF53.40-25C?
Select a Siemens Acvatix actuator released for the valve family, stroke and required control signal.
Which flow capacity is specified for VVF53.40-25C?
The valve has a kvs value of 25 m³/h.
What medium temperature can VVF53.40-25C handle?
Use it only within the documented range of minus 25 to plus 130 degrees Celsius.
How should VVF53.40-25C be oriented during installation?
Follow the body flow arrow and the permitted actuator mounting positions.
What must be checked before replacing VVF53.40-25C?
Confirm nominal size, pressure class, flow coefficient, medium, actuator and flange dimensions.
What commissioning checks apply to VVF53.40-25C?
Inspect flange tightness, stroke travel, actuator calibration and flow response across the command range.
