The New Mankenberg DM618 and DM618Z

Article Published: September 29, 2021 10:47 AM
Last Updated: July 29, 2025 3:20 PM
Written by: Jack Carr

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These are pressure reducing, diaphragm-operated, spring-loaded and balanced proportional valves for high flow rates. The valve body is made of cast steel, the internal parts are of CrNiMo steel. The valve cone is soft-sealed (up to 130 °C) for liquids and gases or with metallic seal for steam (up to 250 °C). Self-acting pressure reducers are simple control valves offering accurate control while being easy to install and maintain. They control the pressure downstream of the valve without requiring pneumatic or electrical control elements.

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Meet the Author

Jack Carr

Technical Sales & Marketing Manager, Boiswood

Jack combines deep technical expertise with hands-on experience in pressure and flow control systems. With a strong focus on real-world applications, he works closely with customers to understand their challenges and deliver fit-for-purpose solutions. His practical approach and in-depth product knowledge ensure every recommendation is accurate, efficient, and built around performance.

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