Emerson Fisher D & DA Manual de instrucciones

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Fisherr D and DA Valves
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 1.................................
Specifications 2...............................
Educational Services 2.........................
Ceramic Trim 3................................
Installation 3..................................
Maintenance 5.................................
Packing Lubrication 5..........................
Packing Maintenance 6.........................
Replacing Packing 6...........................
Trim Maintenance 8...........................
Disassembly 8.............................
Lapping Metal Seats 8......................
Assembly 9...............................
Parts Ordering 9................................
Parts Kits 10...................................
Parts List 10...................................
Figure 1. Fisher D Valve with 657 Actuator
W0232
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for Fisher D and DA valves. Refer to
separate manuals for instructions covering the actuator, positioner, and accessories.
Do not install, operate, or maintain a D or DA valve without being fully trained and qualified in valve, 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 c ontents 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 t o NACE MR0175-2002.
Description
The D globe-style (figure 1) and DA angle-style (figure 5) valves are single-port, metal-seated valves for high-pressure
applications.
Instruction Manual
D100386X012
DandDAValves
June 2014
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Indice de contenidos

Pagina 1 - Fisherr D and DA Valves

www.Fisher.comFisherr D and DA ValvesContentsIntroduction 1...Scope of Manual 1...Description

Pagina 2 - Educational Services

Instruction ManualD100386X012DandDAValvesJune 201410Parts KitsKey Description Part Number- - - Packing Box Parts for Double PTFE V-RingPacking (Includ

Pagina 3 - Installation

Instruction ManualD100386X012DandDAValvesJune 201411Key Description Part Number003* GasketS31600 (316 SST)For NPS 1 valves and NACE MR0175-2002(1)1B19

Pagina 4

Instruction ManualD100386X012DandDAValvesJune 201412Figure 4. Fisher D G lobe-Style ValveNOTE:PIPE PLUG (KEY 16) INCLUDED ONLY IF BONNET IS DRILLED AN

Pagina 5 - Maintenance

Instruction ManualD100386X012DandDAValvesJune 20142Table 1. SpecificationsMaximum I nlet Pressures and Temperatures(1)If the valve nameplate shows an

Pagina 6 - Replacing Packing

Instruction ManualD100386X012DandDAValvesJune 20143Ceramic TrimSome types of ceramic trim, including the VTC (very tough ceramic) variety, can create

Pagina 7

Instruction ManualD100386X012DandDAValvesJune 20144CAUTIONDepending on valve body materials used, post-weld heat treating might be needed. If so, dama

Pagina 8 - Trim Maintenance

Instruction ManualD100386X012DandDAValvesJune 20145MaintenanceWARNINGAvoid personal injury from sudden release of process pressure. Before performing

Pagina 9 - Parts Ordering

Instruction ManualD100386X012DandDAValvesJune 20146lubricant. Do not lubricate packing used in oxygen service. To operate the lubricator, turn the cap

Pagina 10 - Parts List

Instruction ManualD100386X012DandDAValvesJune 20147Figure 3. Packing ArrangementsC0755-19.5 mm(3/8 INCH)STEM12.7 mm(1/2 INCH)STEM19.1 mm(3/4 INCH)STEM

Pagina 11 - Instruction Manual

Instruction ManualD100386X012DandDAValvesJune 20148Table 5. Torque for Seat Ring (Key 2)VALVE SIZE, NPSRECOMMENDED TORQUENSm LbfSft1 407 3002 698 5151

Pagina 12

Instruction ManualD100386X012DandDAValvesJune 20149nuts. Rotate the handle alternately in each direction with light downward pressure to lap the seats

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