Table of Contents
Quick Links
Instruction Manual
D102010X012
Fisher
EU and EW Valves NPS 12 through 24 x 20
™
(Obsolete)
Contents
Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Instructions
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Maintenance Schedules
Parts Ordering
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Latest Published Instruction Manual
Introduction
The product covered in this document is no longer in production. This document, which includes the latest published
version of the instruction manual, is made available to provide updates of newer safety procedures. Be sure to follow
the safety procedures in this supplement as well as the specific instructions in the included instruction manual.
Part numbers in the included instruction manual should not be relied on to order replacement parts. For replacement
parts, contact your
Emerson sales
For more than 30 years, Fisher products have been manufactured with asbestos‐free components. The included
manual might mention asbestos containing parts. Since 1988, any gasket or packing which may have contained some
asbestos, has been replaced by a suitable non‐asbestos material. Replacement parts in other materials are available
from your sales office.
Safety Instructions
Please read these safety warnings, cautions, and instructions carefully before using the product.
These instructions cannot cover every installation and situation. Do not install, operate, or maintain this product
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 of the contents of
this manual, including all safety cautions and warnings. If you have any questions about these instructions, contact
your Emerson sales office before proceeding.
www.Fisher.com
1
1
2
. . . . . . . . . . .
2
2
3
4
. . . . . . . . . . . . . .
5
office.
EU and EW Series Valves
February 2020
Table of Contents
Related Manuals for Emerson Fisher EU
Summary of Contents for Emerson Fisher EU
- Page 1 If you have any questions about these instructions, contact your Emerson sales office before proceeding. www.Fisher.com...
- Page 2 WARNING Use only genuine Fisher replacement parts. Components that are not supplied by Emerson should not, under any circumstances, be used in any Fisher product, because they may void your warranty, might adversely affect the performance of the product, and could cause personal injury and property damage.
- Page 3 To avoid possible personal injury and because some valve/trim material combinations are limited in their pressure drop and temperature ranges, do not apply any other conditions to the valve without first contacting your Emerson sales office. CAUTION...
- Page 4 Fisher, FIELDVUE, Cavitrol, WhisperFlo, Whisper Trim, and ENVIRO-SEAL are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co.
-
Page 5: Table Of Contents
If you have any questions about these instructions, contact your Emerson sales office Local Business Partner before proceeding. -
Page 6: Educational Services
2. Do not exceed the pressure or temperature limits in this manual, on the equipment nameplate, and any applicable code limitations. Educational Services For information on available courses for the Fisher EU and EW Series, NPS 12 through 24x20 valves, as well as a variety of other products, contact:... -
Page 7: Description
July 2017 Table 2. WhisperFlo Trim Specifications Trim Material and Selection with adequate care and corrections in aerodynamic noise prediction - consult your Emerson Automation J 316 Stainless Steel w/ hardfacing Solutions sales office J 410 Stainless Steel, hardened J Others per application... -
Page 8: Specifications
Because some valve body/trim material combinations are limited in their pressure drop and temperature range capabilities, do not apply any other conditions to the valve without first contacting your Emerson sales office or Local Business Partner. -
Page 9: Maintenance
Shrunk‐fit pieces and threaded connections might also loosen. If post weld heat treating is to be performed, all trim parts should be removed. Contact your Emerson sales office or Local Business Partner for additional information. - Page 10 Instruction Manual EU and EW Series Valves July 2017 D102010X012 D Do not remove the actuator from the valve while the valve is still pressurized. D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal injury. D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator.
- Page 11 Instruction Manual EU and EW Series Valves D102010X012 July 2017 Figure 3. Typical Packing UPPER WIPER UPPER WIPER (KEY 12) (KEY 12) PACKING PACKING FOLLOWER FOLLOWER (KEY 13) (KEY 13) FEMALE FEMALE ADAPTOR ADAPTOR PACKING RING PACKING RING MALE MALE WASHER ADAPTOR ADAPTOR...
-
Page 12: Packing Lubrication
Instruction Manual EU and EW Series Valves July 2017 D102010X012 Figure 3. Typical Packing (Continued) PACKING PACKING FOLLOWER FOLLOWER (KEY 13) (KEY 13) GRAPHITE RIBBON GRAPHITE RIBBON PACKING RING (KEY 7) PACKING RING (KEY 7) GRAPHITE FILAMENT GRAPHITE FILAMENT PACKING RING (KEY 7) PACKING RING (KEY 7) LANTERN LANTERN... -
Page 13: Replacing Packing
Instruction Manual EU and EW Series Valves D102010X012 July 2017 valve stem is critical for making a good packing seal. If the leakage comes from the outside diameter of the packing, it is possible that the leakage is caused by nicks or scratches around the packing box wall. If performing any of the following procedures, inspect the valve stem and packing box wall for nicks and scratches. - Page 14 4240 3130 1. For B7, B7M, B16, and 660 bolting materials. For other materials, contact your Emerson sales office or Local Business Partner for torque values. CAUTION To prevent damage to the valve cavity, packing box wall, and packing surfaces, observe the instructions in the next three...
- Page 15 Personal injury or damage to equipment could occur if improper stud and nut materials or parts are used. Do not operate or assemble this product with stud(s) and nut(s) that are not approved by Emerson/Fisher engineering and/or listed on the serial card provided with this product.
-
Page 16: Trim Maintenance
Instruction Manual EU and EW Series Valves July 2017 D102010X012 18. For spring‐loaded PTFE V‐ring packing, tighten the packing flange nuts until the shoulder on the packing follower (key 13, figure 4) contacts the bonnet. For graphite packing, tighten the packing flange nuts to the maximum recommended torque shown in table 3. Then, loosen the packing flange nuts and retighten them to the recommended minimum torque shown in table 3. -
Page 17: Lapping Seating Surfaces
Instruction Manual EU and EW Series Valves D102010X012 July 2017 For EUD, EWD, EUT, and EWT valves (figure 6), unscrew the seat ring cap screws (key 49). Install screws or bolts into the tapped holes in the top of the seat ring (key 9) and carefully lift it out of the valve body. Remove the gasket (key 13). - Page 18 Instruction Manual EU and EW Series Valves July 2017 D102010X012 Figure 5. Typical Fisher EUT‐2 or EWT‐2 Valve CAGE (KEY 3) VALVE PLUG (KEY 2) SEAL RING (KEY 28) VIEW A SEAL RING FOR EUT‐2 AND EWT‐2 VALVE PLUGS E1488 NOTE: SEAL RING OPENING MUST FACE SEAT RING FOR FLOW DOWN APPLICATIONS AND MUST FACE ACTUATOR FOR FLOW UP APPLICATIONS CAUTION...
-
Page 19: Trim Replacement
Instruction Manual EU and EW Series Valves D102010X012 July 2017 5. Screw the new stem tightly into the valve plug. Drill through the stem, using a 1/4‐inch diameter drill for the 31.8 mm (1‐1/4 inch) stem diameter used in this valve. Use the hole in the valve plug as a guide. Remove any chips or burrs, and drive in a new pin to lock the assembly. - Page 20 Instruction Manual EU and EW Series Valves July 2017 D102010X012 Figure 6. Typical Fisher EUD Valve CAGE (KEY 3) VALVE PLUG (KEY 2) PISTON RINGS (KEY 28) VIEW A PISTON RINGS FOR EUD AND EWD VALVE PLUGS APPLY LUB B2411 B2411-1...
- Page 21 Instruction Manual EU and EW Series Valves D102010X012 July 2017 Figure 7. Typical Fisher EUT or EWT Valve with HTS1 Option FLOW UP FLOW DOWN PEEK ANTI‐EXTRUSION RINGS 21B2120-A VIEW A A6137 SEAL RING FOR EUT AND EWT VALVE PLUGS E1489...
-
Page 22: Retrofit: Installing Bore Seal Trim
Additional actuator thrust is required for a valve with Bore Seal trim. When installing Bore Seal trim in an existing valve, contact your Emerson sales office or Local Business Partner for assistance in determining new actuator thrust requirements. Assemble the new valve plug/retainer assembly (with Bore Seal plug seal) using the following instructions:... - Page 23 18.25 19.75 1. For sizes, contact your Emerson sales office. 5. Apply a suitable high‐temperature lubricant to the threads on the plug. Then, place the Bore Seal retainer onto the plug and tighten the retainer using an appropriate tool such as a strap wrench. For flow down constructions, skip to step 7.
-
Page 24: Replacement Of Installed Bore Seal Trim
Instruction Manual EU and EW Series Valves July 2017 D102010X012 CAUTION Do not remove the existing valve stem from the valve plug unless you are planning to replace the valve stem. Never reuse an old valve stem with a new plug or reinstall a valve stem after it has been removed. Replacing a valve stem requires drilling a new pin hole in the stem. -
Page 25: Lapping Metal Seats (Bore Seal Constructions)
Instruction Manual EU and EW Series Valves D102010X012 July 2017 Figure 10. Stake the Threads of the Bore Seal Retainer DEFORM THREAD TO STAKE Bore Seal RETAINER PISTON RING RETAINER Bore Seal METAL PLUG SEAL VALVE PLUG FLOW DOWN A6779 4. -
Page 26: Trim Replacement (Bore Seal Constructions)
Instruction Manual EU and EW Series Valves July 2017 D102010X012 Figure 11. Lower (Valve Plug to Seat Ring) and Upper (Bore Seal to Cage) Seating Surfaces RETAINER PISTON RING CAGE CAGE PLUG SEAT RING SEATING AREA LOWER SEATING SURFACE PLUG BORE SEAL A6780 UPPER SEATING SURFACE... -
Page 27: Parts Ordering
WARNING Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the... -
Page 28: Parts List
Fisher, FIELDVUE, Cavitrol, WhisperFlo, Whisper Trim, and ENVIRO-SEAL are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co.