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SIEMENS VKP40.40 proportional control element
- Industrial and commercial combustion systems
- Gas burners
- Boilers, furnaces, process heating systems
- Integration with Siemens modular gas trains
- OEM applications
The Siemens VKP40.40 is a proportional control element designed for integration into gas trains. It precisely regulates the volume of gas or air. With a DN40 body and 1½" connection diameter, it is ideal for combustion systems requiring high modulation and accuracy.
SpecificationValueModelVKP40.40Nominal SizeDN40Connection TypeFlanged (AGF10.40)Connection Diameter1½"Angular Rotation0° - 90°Modulation Range>1:25Max Operating Pressure70 kPaLeakage RateMax. 0.7 m³/h @ Δp 5 kPaSuitable GasesGas groups I...III and airCompatible ActuatorsSQN13, SQN30, SQN72, SQM33, SQM4, SQM5Control Cycle Life500,000 open/close cyclesOperating Temperature-20°C to +60°CProtection ClassIP40 - IP66 (depending on actuator)WeightApprox. 1.2 kgAir Flow Rate69 m³/h @ Δp 1 kPa (fully open)