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Valvula Fisher 667ead

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www.Fisher.com Fisher   ED and EAD easye  Valves CL125 through CL600 Contents Introduction 1 ................................. Scope of Manual 1 ............................. Description 2 ................................. Specifications 3 ............................... Installation 3 ................................... Maintenance 4 ................................. Packing Lubrication 5 .......................... Packing Maintenance 5 ......................... Replacing Packing 6 ........................ Trim Maintenance 10 .......................... Disassembly 10 ............................ Lapping Metal Seats 11 ..................... Valve Plug Maintenance 12 .................. Assembly 13 .............................. Retrofit: Installing Cseal Trim 13 ................. Replacement of Installed Cseal Trim 15 ........... Trim Removal ( Cseal C onstructions) 15 ....... Lapping Metal Se ats (Csea l Cons tructions) 19 .. Remachining Metal Seats (Cseal Constructions) 19 ................. T ri m Re pl ace me n t (C s ea l Co ns tr uc ti on s) 19 ... ENVIROSEAL Bellows Seal Bonnet 20 ........... Replacing a Plain or Extension Bonnet with an ENVIROSEAL Bellows Seal Bonnet (Stem/Bellows Assembly) 20 .............. Replacement of an Installed ENVIROSEAL Bellows Seal Bonnet (Stem/Bellows Assembly) 21 .............. Purging the ENVIROSEAL Bellows Seal Bonnet 24 ................... Figure 1. Fisher ED Valve with 667 Actuator W19162 Parts Ordering 24 ............................... Parts Kits 25 ................................... Parts List 28 ................................... Introduction Scope of Manual This instruction manual includes installation, maintenance, and parts information for NPS 1 through 8 Fisher ED valves, and NPS 1 through 6 EAD valves, through CL600 ratings. Refer to separate manuals for instructions covering the actuator and accessories. Instruction Manual D100390X012 ED Valve February 2011
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