Time:2014-12-23 From: Author:
The sealing performance of the valve is the valve part of the sealing ability to prevent media leaks, it is the valve of the most important technical performance indicators.
Valve seal has three parts: opening and closing pieces and valve seat sealing surface contacts between the two; and with the Department filler stem and stuffing; junction body and bonnet. Which is called before a leak within the leak, which is commonly known as Guan lax, it will affect the ability of the valve cut off media.