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Dear Metma, I herewith present to you a copy of a reply I gave on this same forum December last year. Basically high integrity means safe / high quality. In that case I recommend you to contact one of the leading suppliers mentioned in next reply: "I work for Mokveld, one of the leading...

Gustorf, thank you for your fair response. I think we can agree that the dynamic and static performances of the ring and disc nozzle check valves are quite comparable (standard design) ..... as are the prices [smile]. The technical details, differences and reliability issues we better discuss...

Govindarasu, I think you are well on your way to become a check valve expert. I work for Mokveld, one of the leading suppliers of nozzle or axial check valves. The information I will give to you is technical and based on information and operational feedback received from clients. The term...

Recently a the Valves Manual International has been updated and published. This is an excellent book with loads of information about different types of valves and applications. Handbook of Valves and Actuators Edited by Brian Nesbitt First edition 2007 ISBN: 978-1-85617-494-7 Depending on...

Hello Metarge, Recently I purchased a new valve book: Handbook of Valves and Actuators by Brian Nesbitt. In this book reference is made to several valves that could fall in the category “plunger valve”. It is all in the name and depends which application you need the valve for. Besides...

Indeed non-slam check valves are the preferred choice for critical pump applications. To minimize water hammer (joukowski pressure rise) the supplier should determine the optimum spring for minimum closing time and backflow. For this you should provide him with minimum, normal and maximum flow...