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Emerson Fisher Vonk CHV Instruction Manual

Vonk choke valves
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Instruction Manual
D104485X012
Vonk
Choke Valve Series
™
(CHV, ICV, SCV, and YCV) (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asbestos, has been replaced by a suitable non‐asbestos material.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
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office.
Vonk Choke Valves
February 2021

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  • Page 1 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...
  • 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 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher and Vonk 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

    Instruction Manual Vonk Choke Valves D104485X012 September 2019 Vonk Choke Valve Series ™ (CHV, ICV, SCV, and YCV) Contents Figure 1. Vonk Choke Valves Introduction ........Scope of Manual .

  • Page 6: Introduction

    Phone: 1-641-754-3771 or 1-800-338-8158 E-mail: education@emerson.com emerson.com/fishervalvetraining Specifications Contact your Emerson sales office for additional information. Temperature Range Vonk choke valves are designed for three temperature ranges: The Standard version (STD) equipped with O-rings. The Low Temperature version (LT) equipped with special LT-seals.

  • Page 7: Installation

    Vonk chokes valves can be mounted in any position. Installation of the valve must match the flow direction is indicated by the arrow on the valve-body. Unless otherwise recommended by Emerson: 1. The pipe ends must be properly aligned and supported so as to prevent the valve being subjected to unnecessary stress induced by connecting piping.
  • Page 8 Instruction Manual Vonk Choke Valves September 2019 D104485X012 In case of a HT version valve, the bonnet should not be insulated (this may over-heat the bonnet). After installation, check the operation of the valve by stroking it to 'full open' and 'full close'. The position of the valve can be indicated in the following ways: 1.

  • Page 9: Operation

    Instruction Manual Vonk Choke Valves D104485X012 September 2019 Operation Manual: Manual shut-off valves are designed to 'shut' when the handwheel is turned clockwise and 'open' when the handwheel is turned counter-clockwise (including valves with gearbox operators). Handwheels of electric actuators (or pneumatic actuators) are for emergency operation only.

  • Page 10: Disassembly

    Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 3. Vonk Choke Valve Internals TURNING FORK MARK PROTECTING BUSH TURNING FORK FRONT DISK SPRING WIRE BEAN Prior to any inspection or maintenance, refer to the appropriate parts list and associated figure for the choke valve type and seal configuration.

  • Page 11: Assembly

    Instruction Manual Vonk Choke Valves D104485X012 September 2019 4. Check the position of the turning fork. If the mark on top of the turning fork is opposite the inlet flange, the valve is in the closed position. (See figure 3.) 5.

  • Page 12: Retightening Nuts Body Bonnet Connection

    Instruction Manual Vonk Choke Valves September 2019 D104485X012 Retightening Nuts Body Bonnet Connection Due to the design of the choke valve, the nuts of the studs (body-bonnet connection) needs to be tightened sufficiently to provide a proper connection. Valve Internals and Bonnet Maintenance A replacement set of soft seals is required.
  • Page 13 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 4. Vonk Choke Valve Service Procedure TRIM INSPECTION 1. Undo body/bonnet bolting. 2. Take off bonnet assembly. TAKE OUT INTERNALS 3. Attach internal wrench tool. 4. Pull out internals.

  • Page 14: 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 performance of the valve, and could cause personal injury and property damage.
  • Page 15 Instruction Manual Vonk Choke Valves D104485X012 September 2019 CHV Valve, STD/FE/FS (figure 7) CHV Valve, LT/FE (figure 9) Description Description Body Body 20.10 Bean 20.10 Bean 20.20 Front Disk 20.20 Front Disk 20.30 O-Ring 20.30 Seal, Bean 20.40 Locking Wire 20.40 Locking Wire 20.50 Guide Strip 20.50 Bearing...
  • Page 16 Instruction Manual Vonk Choke Valves September 2019 D104485X012 CHV Valve, HT (figure 11) CHV Valve, HT/FE/FS (figure 13) Description Description Body 20.10 Bean Body 20.20 Front Disk Bean 20.30 Seal Front Disk Seal, Bean 20.40 Locking Wire 20.50 Bearing Locking Wire 20.60 Turning Fork Bearing 20.70 Protecting Bush...
  • Page 17 Instruction Manual Vonk Choke Valves D104485X012 September 2019 YCV Valve, STD/FE (figure 15) Description 40.30 Nameplate Description 40.40 Rivets, qty 2 40.50 Bean Packing Body 20.10 Bean YCV Valve, LT/FE (figure 17) 20.20 Front Disk 20.30 Seal, Bean Description 20.40 Locking Wire Body 20.50 Guide Strip 20.10 Bean...
  • Page 18 Instruction Manual Vonk Choke Valves September 2019 D104485X012 ICV Valve, STD (figure 19) ICV Valve, HT (figure 21) Description Description 10.10 Inlet Flange Inlet Flange 10.20 Outlet Flange Outlet Flange 20.10 O-Ring Seal 20.20 O-Ring, qty 3 Seal 20.30 Back Disk Bean 20.40 Rotating Shaft 20.45 Back-up Ring, qty 2...
  • Page 19 Instruction Manual Vonk Choke Valves D104485X012 September 2019 SCV Valve, STD (figure 22) Description Body 20.10 Bean 20.20 Front Disk 20.30 O-Ring, Bean 20.40 Locking Wire 20.50 Bearing 20.60 Turning Fork 20.70 Protecting Bush 20.80 V-Ring 30.10 Bonnet 30.20 O-Ring 30.30 Lip Seal 30.40 Bearing 30.50 Spring...
  • Page 20 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 5. Vonk CHV Valve, STD 30.90 30.10 30.80 30.60 30.50 30.40 30.30 30.20 40.40 20.70 20.50 20.30 20.10 30.100 30.70 40.30 20.80 20.60 20.20 20.40 30.120 30.110 40.10 94.10.360...
  • Page 21 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 6. Vonk CHV Valve, STD/FE 30.100 30.70 30.90 30.10 30.80 30.60 30.40 40.30 30.20 20.90 20.70 20.60 20.50 20.20 20.40 30.30 40.40 20.80 20.30 20.10 40.10 30.140 30.50 30.110 94.10.884...
  • Page 22 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 7. Vonk CHV Valve, STD/FE/FS 30.100 30.70 30.90 30.10 30.80 30.60 30.50 30.40 30.20 30.30 40.40 30.130 20.70 20.90 20.80 20.60 20.50 20.20 20.40 20.30 20.10 40.30 40.50 30.150 30.170 30.160 40.10 30.140 30.120...
  • Page 23 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 8. Vonk CHV Valve, LT 30.100 30.70 20.80 20.70 20.30 20.10 30.90 30.10 20.60 20.50 20.40 30.80 30.60 30.50 30.20 40.20 40.30 20.20 30.40 40.10 30.120 30.110 30.30 94.10.904...
  • Page 24 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 9. Vonk CHV Valve, LT/FE 30.10 30.80 30.70 30.120 30.60 40.10 40.20 20.80 20.70 20.60 20.50 20.20 20.40 20.30 20.10 30.40 40.30 30.20 30.100 30.50 30.90 30.30 30.130 30.110 94.20.898...
  • Page 25 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 10. Vonk CHV Valve, LT/FE/FS 30.10 30.100 30.70 30.120 30.160 30.60 30.59 30.40 30.140 30.20 40.30 40.20 20.80 20.10 30.80 30.30 20.70 20.60 20.20 20.50 20.40 20.30 40.50 30.50 30.130 30.110 30.61 40.10 30.150...
  • Page 26 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 11. Vonk CHV Valve, HT 94.20.497...
  • Page 27 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 12. Vonk CHV Valve, HT/FE 30.70 30.110 30.130 30.60 30.120 30.90 30.40 30.30 30.50 30.20 40.30 40.20 20.80 20.70 20.50 20.20 20.40 20.30 20.10 30.10 30.80 20.60 40.10 30.140 30.110 94.20.875...
  • Page 28 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 13. Vonk CHV Valve, HT/FE/FS 30.70 30.100 30.120 30.10 30.80 30.60 30.40 40.20 20.70 20.20 20.40 20.30 40.50 30.160 30.59 30.30 30.140 30.20 40.30 20.80 20.60 20.50 20.10 30.61 30.110 40.10 30.50 30.130 30.150...
  • Page 29 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 14. Vonk YCV Valve, STD 30.70 30.10 30.50 30.90 30.120 30.40 30.20 20.80 40.30 20.70 20.20 20.50 20.90 30.100 40.40 95.20.028 30.80 30.60 30.30 20.60 20.40 20.10 40.10 30.130 20.30 30.110...
  • Page 30 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 15. Vonk YCV Valve, STD/FE 95..20.039...
  • Page 31 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 16. Vonk YCV Valve, STD/FE/FS 30.70 30.90 30.10 30.80 30.50 30.40 30.30 40.40 40.30 20.70 20.20 20.10 30.100 30.160 30.150 30.170 30.120 20.80 SECTION B 40.10 30.60 30.20 20.90 20.60 20.50 20.40 20.30 40.50...
  • Page 32 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 17. Vonk YCV Valve, LT/FE 30.90 30.100 30.70 30.10 30.80 30.120 30.60 30.40 30.50 20.80 20.70 30.30 30.20 40.30 40.40 95.X0.041 40.10 30.130 30.110 20.60 20.50 20.40 20.30 20.10 20.90 20.20...
  • Page 33 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 18. Vonk YCV Valve, HT 30.100 30.70 30.60 30.80 30.130 30.120 30.10 40.30 30.50 40.40 95.20.033 20.10 20.30 30.90 30.20 30.30 30.110 20.80 20.60 20.70 20.50 20.40 20.20 20.90 30.40...
  • Page 34 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 19. Vonk ICV Valve, STD 30.80 30.60 20.70 10.20 30.20 20.10 20.20 30.40 20.30 20.40 20.90 20.60 20.45 10.10 30.50 20.80 20.50 30.70 30.10 SECTION A-A 97.10.761...
  • Page 35 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 20. Vonk ICV Valve, LT 10.20 30.70 20.10 20.90 30.20 30.50 30.40 20.40 20.120 20.130 20.110 20.170 20.140 20.100 20.20 20.50 20.180 30.60 30.10 SECTION A-A 91.20.227...
  • Page 36 Instruction Manual Vonk Choke Valves September 2019 D104485X012 Figure 21. Vonk ICV Valve, HT OPEN CLOSED 91.20.221...
  • Page 37 Instruction Manual Vonk Choke Valves D104485X012 September 2019 Figure 22. Vonk SCV Valve, STD 30.90 30.10 20.80 20.70 20.60 20.50 20.20 20.40 20.30 20.10 30.100 30.70 30.80 30.60 30.40 30.50 30.20 40.40 40.30 30.30 40.10 30.130 30.110 10.1A.000...
  • Page 38 Instruction Manual Vonk Choke Valves September 2019 D104485X012...
  • Page 39 Instruction Manual Vonk Choke Valves D104485X012 September 2019...
  • Page 40 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher and Vonk 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.

This manual is also suitable for:

Fisher vonk icvFisher vonk scvFisher vonk ycvFisher vonk choke series

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