HP~HPA Instruction Manual Nov 2000

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Instruction Manual Form 5299 November 2000

Design HP & HPA

Design HP and HPA Control Valves Contents Introduction

.............................. 1 Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installation

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Maintenance

.............................. 4 Packing Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Packing Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 6 Adding Packing Rings . . . . . . . . . . . . . . . . . . . . . . . 6 Replacing Packing . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Trim Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Valve Plug Maintenance . . . . . . . . . . . . . . . . . . . . 12 Lapping Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Trim Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Retrofit: Installing C-seal Trim . . . . . . . . . . . . . . . . 17 Replacement of Installed C-seal Trim . . . . . . . . . 19 Trim Removal (C-seal Constructions) . . . . . . . . 19 Lapping Metal Seats (C-seal Constructions) . . 20 Remachining Metal Seats (C-seal Constructions) . . . . . . . . . . . . . . . . . . 20 Trim Replacement (C-seal Constructions) . . . . 21 W6848/IL

Parts Kits

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Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 1. Design HP Valve with Type 667 Actuator and FIELDVUER Digital Valve Controller

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Introduction Scope of Manual This instruction manual includes installation, maintenance, and parts information for 1- through 6-inch Design HP valves with Class 900 and 1500 ratings; and 1- through 2-inch Designs HP and HPA valves with Class 900, 1500, and 2500 ratings. Refer

to separate manuals for instructions covering the actuator, positioner, and accessories. Only personnel qualified through training or experience should install, operate, and maintain HP Series valves. If you have any questions about these instructions, contact your Fisher Controls sales office before proceeding.

D101634X012

Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . .


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