www.Fisher.com
Vonk
™
Choke Valve Series
(CHV, ICV, SCV, and YCV) (Obsolete)
Contents
Introduction 1.................................
Safety Instructions 1............................
Specifications 2................................
Inspection and Maintenance Schedules 2...........
Parts Ordering 2................................
Installation 3..................................
Maintenance 4.................................
Latest Published Instruction Manual 5..............
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 office
.
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asbestos, has been replaced by a suitable non‐asbestos material.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.
Instruction Manual
D104485X012
Vonk Choke Valves
February 2021
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