The gaskets between the balls of the ball valve are available in 3.2/4.5 sizes; how should the distance between the mating surfaces of the valve body be designed?
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Is it a little over 2, or exactly 3.2?
For metal wound gaskets: the recommended compressed thickness for 3.2 mm gaskets is 2.3–2.5 mm, while the recommended compressed thickness for 4.5 mm gaskets is 3.2–3.4 mm. For reference only
You can refer to the answer above; something of average quality will suffice
This post was last edited by Haichuan Xiaozi123 on 2016-11-23 at 14:21. This degree of compression affects the torque of the valve as well as the lifespan of its sealing surfaces; are there any specific standards for this? I asked a colleague, and they said that under normal circumstances, 3.2 drops to around 2.8.