tag:blogger.com,1999:blog-4070619310708870893.post7496626395497924441..comments2024-03-06T06:19:48.395+07:00Comments on CERITA PIPING, BUKU DAN KOPI: AN INTRODUCTION TO VALVES - BALL VALVEUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4070619310708870893.post-53437441698441807502015-04-16T13:41:00.335+07:002015-04-16T13:41:00.335+07:00The proper design of ball valves for high pressure...The proper design of <a href="http://www.thegreenbook.com/products/valves-ball/" rel="nofollow">ball valves</a> for high pressure and high temperature applications depends greatly on the material used to make the seal ring. Seat rings are typically made from two classes of materials: soft seats and metal seats.Anonymoushttps://www.blogger.com/profile/08348367560139366345noreply@blogger.com