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Let’s discuss the purpose of drilling holes in check valve discs and the installation requirements

2009-03-16View Original

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Let’s discuss the purpose of drilling holes in check valve discs, the installation requirements, and when such drilling is necessary
Reply #22009-03-16
Personal opinion. One is to balance the pressure at both ends of the valve disc, and the other is for use as a heating pump in hot oil pumps. When the pressure difference between the pump inlet and outlet is large, or in the case of hot oil pumps, a small hole can be made in the valve disc.

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Translated at 2026-07-28 03:15:14

Original: https://bbs.hcbbs.com/thread-416958-1-1.html

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