Adding live-loaded packing
option to Jamesbury™
Wafer-Sphere™ high
performance butterfly valve
Installation, maintenance and
operating instructions
IMO-317 EN
Issue 10/2020
Page 1: ...Adding live loaded packing option to Jamesbury Wafer Sphere high performance butterfly valve Installation maintenance and operating instructions IMO 317 EN Issue 10 2020...
Page 2: ...act the manufacturer or manufacturer s representative SAVE THESE INSTRUCTIONS Addresses and phone numbers are printed on the back cover Table of contents GENERAL 3 Scope of the Manual 3 Valve Markings...
Page 3: ...YSTEM FLUID THE WAFER SPHERE BUTTERFLY VALVE OFFSET SHAFT CREATES GREATER DISC AREA ON ONE SIDE OF THE SHAFT THIS MEANS THAT A WAFER SPHERE BUTTERFLY VALVE TENDS TO OPEN WHEN PRESSURIZED ON THE INSERT...
Page 4: ...and a compression ring or plate Other soft parts including packing and seats are available separately Please pay close attention to the following instructions when installing live loaded packing conv...
Page 5: ...mpression plate and or shaft seals as well as reduce the cycle life of the shaft seal 4 MAINTENANCE Good operating procedure requires periodic observation to ensure that the valve is functioning well...
Page 6: ...DN 250 RKW 513 C RKW 514 C RKW 680 C RKW 745 C RKW 746 C RKW 795 A RKW 748 C 12 DN 300 RKW 514 C RKW 515 C RKW 681 C RKW 746 C RKW 747 C RKW 796 A RKW 749 C 14 DN 350 RKW 515 C RKW 753 C RKW 747 C RK...
Page 7: ...7 IMO 317 EN Issue 10 2020...
Page 8: ...bject 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 affil...
