Related Manuals for Neles PB2 Series
Summary of Contents for Neles PB2 Series
- Page 1 Neles™ PB2 series full bore flange PFA lined ball valve NPS 1/2” – 6” Installation, maintenance and operating instructions 1PB270EN 10/2020...
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Page 2: Table Of Contents
Testing the Valve ACTUATOR Actuator Mounting Instructions SERVICE / SPARE PART EXPLODED VIEW TYPE CODE NELES PB2 FULL BORE FLANGE PFA LINED BALL VALVE READ THESE INSTRUCTIONS FIRST! SAVE THESE INSTRUCTIONS! These instructions provide information about safe handling and Addresses and phone numbers are printed on the back cover. -
Page 3: General
This instruction manual contains important information regarding ASSEMBLY BY THE ACTUATOR, POSITIONER, LIMIT the installation, operation and maintenance of Neles™ PB2 Series SWITCH OR THEIR PIPING / BRACKETS. PLACE LIFTING full bore, seat supported, flanged PFA lined ball valves. Please read DEVICES SECURELY AROUND THE VALVE BODY. -
Page 4: Transportation And Storage
MAINTENANCE section. 4.1 GENERAL 3.3 VALVE INSULATION Neles™ ball valves do not require insulation. If desired, the valve Although Neles™ valves are designed to work under severe may be insulated; however, the insulation must not continue above conditions, proper preventative maintenance can significantly help to the upper level of the valve. -
Page 5: Actuated Valve
NOTE: Always use original OEM parts to make sure that the valve Overhaul maintenance consists of replacing seats and seals. functions properly. These parts may be obtained from Neles or an Authorized Neles Distributor. Numbers in ( ) refer to items shown in the exploded view... -
Page 6: Testing The Valve
(7) over the stem. See Figure 2 for proper V-ring When testing the valve for external tightness, keep the ball in the orientation. half open position. If testing for seat tightness, please contact Neles for advice. WARNING: WHEN PERFORMING ANY TESTS, NEVER EXCEED THE MAXIMUM OPERATING PRESSURE OR MAXIMUM Figure 3. -
Page 7: Actuator
6. SERVICE / SPARE PART open and close position each time it is remounted. WARNING: We recommend that valves be directed to Neles service centers for maintenance. The service centers are equipped to provide rapid turn- THE VALVE BODY AND MOUNTING INTERFACE... -
Page 8: Exploded View
7. EXPLODED VIEW Bill of Material and Parts List Part no. Part name Material Ductile Iron Stainless Steel Body ASTM A395 Ductile Iron+PFA ASTM A351 CF8+PFA ASTM A395 Ductile Iron+PFA ASTM A351 CF8+PFA Ball ASTM A351 CF8+PFA or ASTM A276 304+PFA Stem ASTM A276 304+PFA Seat... -
Page 9: Type Code
Therefore, some of the applications in which the valves are used are outside the scope of this document. If you have any questions concerning the use, application or compatibility of the valve with the intended service, contact nearest Neles sales office for more information. - Page 10 1PB270EN - 10/2020...
- Page 11 1PB270EN - 10/2020...
- Page 12 Tel. +358 10 417 5000. Fax +358 20 483 151 neles.com Subject to change without prior notice. Neles, Jamesbury and Easyflow by Neles, and certain other trademarks, are either registered trademarks or trademarks of Neles Corporation or its subsidiaries or...