Instruction Manual D101634X012 June 2008
HP and HPA Valves
Fisherr HP and HPA Control Valves Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Packing Lubrication . . . . . . . . . . . . . . . . . . . . . . . 6 Packing Maintenance . . . . . . . . . . . . . . . . . . . . . 7 Adding Packing Rings . . . . . . . . . . . . . . . . . . . . 7 Replacing Packing . . . . . . . . . . . . . . . . . . . . . . . 8 Trim Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Valve Plug Maintenance . . . . . . . . . . . . . . . . . . 13 Lapping Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Trim Replacement . . . . . . . . . . . . . . . . . . . . . . . 16 Retrofit: Installing C-seal Trim . . . . . . . . . . . . . 18 Replacement of Installed C-seal Trim . . . . . . 21 Trim Removal (C-seal Constructions) . . . . . . . . . . . . . . . . 21 Lapping Metal Seats (C-seal Constructions) . . . . . . . . . . . . . . . . 21 Remachining Metal Seats (C-seal Constructions) . . . . . . . . . . . . . . . . 22 Trim Replacement (C-seal Constructions) . . . . . . . . . . . . . . . . 22 Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Parts Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
W6848-1
Figure 1. HP Valve with 667 Actuator and FIELDVUEt DVC6000 Digital Valve Controller
Introduction Scope of Manual This instruction manual includes installation, maintenance, and parts information for NPS 1 through 6 HP valves with CL900 and CL1500 ratings; and NPS 1 through 2 HP and HPA valves with CL900, CL1500, and CL2500 ratings. Refer to separate manuals for instructions covering the actuator, positioner, and accessories. Do not install, operate, or maintain HP series valves without being fully trained and qualified in valve,
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actuator, and accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you have any questions about these instructions, contact your Emerson Process Management sales office before proceeding. Unless otherwise noted, all NACE references are to NACE MR0175-2002 and MR0103.