What is the Appropriate Term for the Contacting Surface on a Valve in the U.S.?

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SUMMARY

The appropriate term for the contacting surface on a valve in the U.S. is "seal face." This term accurately describes the sealing area located on the bonnet flange and body flange that prevents leakage from the valve's inner cavity. The discussion clarified that alternatives like "sealing girdle" or "sealing band" are less commonly used in American terminology. The consensus among participants confirmed "seal face" as the most suitable term.

PREREQUISITES
  • Understanding of valve components, specifically body and bonnet.
  • Familiarity with sealing mechanisms in mechanical engineering.
  • Knowledge of terminology used in valve design and manufacturing.
  • Basic understanding of fluid dynamics related to valve operation.
NEXT STEPS
  • Research the specifications and standards for valve sealing surfaces in ASME B16.34.
  • Explore different types of valve sealing materials and their applications.
  • Learn about the design considerations for valve flanges and sealing interfaces.
  • Investigate the impact of seal face geometry on valve performance and reliability.
USEFUL FOR

Mechanical engineers, valve manufacturers, and professionals involved in fluid control systems will benefit from this discussion, particularly those focused on valve design and sealing technology.

Jack8rkin
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Contact surface -- term

Hello everyone!
Help me please with selecting a correct term.
The situation is as follows:

There is a valve, which has a body and a bonnet.
There is a joint that connects the body to the bonnet.
There is a contacting surface on the bonnet flange and body flange that is used for sealing the inner cavity of the valve.
This surface looks like an annulus, or a ring and we have the area, inner diameter and outer diameter of it.
If translated from Russian it may sound as "sealing girdle", or "Sealing band".
Could it be "seal face"?

Could you please name the term that is used in the U.S.?
Hope, I made myself clear.

Thank you!
 
Last edited by a moderator:
Engineering news on Phys.org


seal face makes the most sense to me.
 


Thank you.
 

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