Valve World Magazine December 2025 | Seite 37

efficiency. Pulsations cause the pump to deviate from this ideal operating point. The pump consumes additional power to reach maximum load on each stroke and idles between strokes. This unbalanced operating cycle reduces overall energy efficiency. The impact of pulsation dampeners on energy efficiency is tangible in the following ways: Friction reduction- A smooth flow profile reduces turbulence and, consequently, energy losses due to friction. This allows the pump to perform the same work with less power. Pump optimisation- Allows the pump to operate at a more constant load, allowing the pump to maintain its design efficiency at the highest level, reducing energy consumption. Reduction in maintenance costs- By reducing vibration and stress in the system, the lifespan of equipment( pipes, valves, sensors) is extended. Unplanned downtime and repair costs are reduced, while indirect energy losses are prevented. Every improvement in energy efficiency directly translates to less fossil fuel consumption and lower carbon emissions, making pulsation dampeners a critical component in achieving not only economic but also environmental sustainability goals.
Conclusion and recommendations
Pulsation dampeners are strategic devices that not only reduce noise and vibration in industrial fluid systems but also increase energy efficiency and lower operational costs. The scientific approach presented in this article emphasises that these are not merely mechanical components but also solutions for efficiency and sustainability. Industry professionals are advised to consider pulsation dampeners as a priority during the system design phase, not only for operational reliability but also for energy optimisation. Future work could focus on further experimentally exploring the energy-saving potential of pulsation dampeners under different fluid types and operating conditions.
Sources
Karassik, I. J., Messina, J. P., Cooper, P., & Heald, C. C.( 2001). Pump Handbook. McGraw-Hill Professional. Miller, H. C.( 1998). Pulsation Control and Fluid Flow Engineering. Gulf Publishing Company. Adams, P. C.( 2009).“ Pulsation Dampeners: A Guide to Selection and Application.” Fluid Power World. American Petroleum Institute( API) Standard 674.“ Positive Displacement Pumps- Reciprocating.”
DAMPENERS
Blevins, R. D.( 2001). Formulas for Dynamics, Acoustics and Vibration. Krieger Publishing Company. Pulsation Dampener Manufacturers’ Technical Data Sheets & Brochures.
About the authors Dr Kemal Çomaklı is a Mechanical Engineer with PhD in Building Services and Energy Efficiency. He has more than 30 years of professional experience in industrial energy systems, fluid control, and energy management. He is currently the Training Manager at STARVALVE Process Valves and Actuator Technology Inc, responsible for developing and delivering technical training programs for engineers and industry professionals. Email: kemal. comakli @ starvalve. com. tr
Ömer Yıldız is a Mechanical Engineer with over 25 years of professional experience in the industrial valve and actuator industry. He is the Founder and General Manager of Starvalve Process Valves and Actuator Technology Inc. His expertise focuses on process automation, valve design, and energy-efficient flow control solutions. Email: omer. yildiz @ starvalve. com. tr

Next-generation intelligent valve positioners

Rotork has launched the RTP-4000 range, a new generation of intelligent valve positioners designed to deliver optimised control solutions for single- and doubleacting actuators on rotary and linear valves.
Text & image by Rotork
About Rotork Rotork is a market-leading global provider of mission-critical flow control and instrumentation solutions for oil and gas, water and wastewater, power, chemical process and industrial applications. We help customers around the world to improve efficiency, reduce emissions, minimise their environmental impact and assure safety.

Launched with the dual-certified RTP- 4400 model, this initial release combines smooth installation and commissioning, premium online diagnostics, robust construction, and seamless system integration for fast, energy-efficient operation in demanding oil and gas applications and other industries requiring high-end valve control solutions. The range features magnet-based contactless position feedback, eliminating mechanical wear and ensuring long-term reliability for both linear and rotary actuators. Advanced pressure sensor-based diagnostics provide online real-time device status and predictive maintenance capabilities, while a user-friendly dashboard offers at-a-glance valve status. The rugged, corrosion-resistant construction, featuring copper-free aluminium and electronic circuits potted in resin, ensures durability even in harsh conditions, and an arctic option extending the temperature range down to-55 ° C.

Easy integration
The positioner integrates easily with all major control and asset management systems, and the dual certification enables its use in both explosionproof and intrinsically safe areas.
ACTUATION
High pneumatic capacity enables rapid valve operation, and optimised supply air consumption helps customers to achieve greater efficiency and lower operational costs. Additional options include analogue and digital outputs, pressure gauges, and support for Emergency Shutdown( ESD) applications with partial stroke testing capability. Juha Kivelä, Global Product Manager – Pneumatic Actuation and Instrumentation at Rotork, said:“ With the RTP-4000, we are meeting the requirements of the high-end process industries and extending our already comprehensive Rotork Positioner offering to the next level. Our customers will benefit from the smooth installation, user-friendly online diagnostics, and rugged construction, providing long-term reliability. The smart design features will help to achieve greater operational efficiency and give peace of mind in even the most challenging applications.”
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