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The Jarecki N Series ceramic lined ball valve is the right choice for your high abrasive media. N Series valves are used for applications in the Chemical, Power, Pulp and Paper, and Mining Industries.
Blow-Out proof stem design to ensure workman safety.
Live-Loaded stem packing to compensate for temperature fluctuations and normal wear.
Care is taken not to over torque the stem packing at the testing facility.
The body and end connections are bolted with a metal to metal contact to ensure that proper compression on the body gasket is achieved.
This metal to metal contact also guarantees that the dimensions inside the valve are correct. The torque is constant, and both the body and seat seal gaskets will always have the proper compression.
Valves covered in this bulletin are available to conform to the following industry standards and specifications
* Must specify this as a requirement at time of order
For unidirectional applications. The sealing seat is available as a separate seat ring for reparability, or integral with the tailpiece for high temperature applications. The spring seat OD seal prevents media from building up between the spring and the back of the seat.
A series of Graphite seal rings behind the metal seat prevents media from building up behind the seat. The rings also allow for expansion of the internal valve components in high temperature applications. This design is great for applications involving fine solids as the graphite prevents the media from building up behind the seats.
Tight shut-off is accomplished by grinding every ball to very tight tolerances and excellent finish, generating a true radius each individual seat to its mating ball, and then carefully lapping them together through our proven polishing process.
Every valve that leaves the plant has both a hydrostatic, torque and cycle test, and seat leakage test performed on it.
Standard Shut-Off is Class V. ISO 5208 Rate A,B,C and ANSI Class VI available As Options.
Jarecki Valves is an ISO 9000 Company and quality is an important part of our culture.
In Metal Seat Valves, .003 Thousands of an inch can make all the difference in torque, shut-off and overall valve performance. Our quality system requires this.
At Jarecki Valves, 95% of our business is metal seated ball valves. The employees understand and excel at producing the highest quality metal seated valves available.
