Sep 29, 2016· The upfront purchase price of a metal seated ball valve is definitely more than a soft seated ball valve However, one should consider the cost of downtime and replacement of a soft seated valve Total cost of ownership may favor the metal seat Understanding your process conditions is key to determining the right seat for your application
A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valve's status
The ball and seat set can be repaired in several types of ball valves including: floating ball valves, trunnion ball valves and spring-loaded floating ball valv Repair or Replace? Some factors to consider when making a decision to repair or replace a valve include: economics, plant maintenance planning and corrosion/erosion failur
The Pratt rubber-seat ball valve fully complies with AWWA standard C507 for tight-closing, shaft-mounted ball valv It is a proven, rugged, through-port rotary valve that employs modern design techniqu The Pratt ball valve is suited to throttling and on-off service and is adaptable to a variety of control and shut off applications
Valves 101: 2 Types of Ball Valv Ronnie Moore | March 1st, 2016 Ball Valves are a type of piping equipment that shuts off or controls the flow in a pipeline by using a hollow sphere and round seats held in a valve body There are two basic technologies for the design of ball valves, .