For the control ball valves used in instruments, is hard sealing or soft sealing more commonly used?

2011-10-25View Original

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For the control ball valves used in instruments, is hard sealing or soft sealing more commonly used?

Reply #22011-10-25

There’s a problem with your question; the choice between soft and hard seals depends on different process conditions! ! !

Reply #32011-10-25

Actually, there’s no problem with this; in most cases, soft seals are used.

Reply #42011-10-25

When the temperature is below 200°C and the process medium contains no dust particles, a soft seal can be used. Otherwise, hard sealing is preferred.

Reply #52011-10-25

Reply to 1# lyr9901: This selection needs to take into account both the temperature of the medium and the allowable leakage rate. Generally speaking, soft-seal designs offer good sealing performance, but they are not resistant to wear or high temperatures. Rigid-sealed, wear-resistant, and heat-resistant; the adjustable ball valve must be a V-ball valve

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