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D100422X012
Design V250 Ball Valve
Contents
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual
1
. . . . . . . . . . . . . . . . . . . . . . . . .
Description
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Follower Shaft Seal
6
. . . . . . . . . .
Replacing the Drive Shaft Seal
6
. . . . . . . . . . . . .
Replacing Ball Seal or Flow Ring
7
. . . . . . . . . . .
Removal
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation of Single or Dual Ball Seal
8
. . . . . .
Installation of Flow Ring
8
. . . . . . . . . . . . . . . . . .
Installing Live-Loaded PTFE Packing
9
. . . . . . . .
Replacing Drive Shaft, Follower Shaft Ball,
Bushings, and Valve Outlet Gasket
9
. . . . . . .
Disassembly
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Mounting
14
. . . . . . . . . . . . . . . . . . . . . . . .
Travel Adjustment
14
. . . . . . . . . . . . . . . . . . . . . . .
Parts Ordering
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual provides installation,
maintenance, and parts ordering information for 4
through 24-inch Design V250 valves (figure 1) that
mate with ANSI flanges. Other instruction manuals
provide information covering the actuator and
accessories.
No person may install, operate, or maintain a Design
V250 valve without first
D
being fully trained and
qualified in valve, actuator, and accessory
installation, operation, and maintenance, and
D
carefully reading and understanding the contents of
this manual. If you have any questions about these
instructions, contact your Fisher sales office before
proceeding.
Figure 1. Design V250 Ball Valve with
Type 1061 Actuator
W3698 / IL
Description
Design V250 Hi-Ball
r
valve is a flangeless rotary
control valve used for high pressure, throttling or
on-off control of liquid or gas applications (see figure
1). These valves operate on a rotary motion input
through a splined valve-shaft/actuator-shaft
connection for use with power or manual handwheel
actuators. The single seal, dual seal, and flow ring
constructions are covered in this instruction manual.
Note
Fisher does not assume responsibility
for the selection, use, or maintenance
of any product. Responsibility for
proper selection, use, and
maintenance of any Fisher product
remains solely with the purchaser and
end-user.
Instruction Manual
Form 5206
April 2004
V250 Valve
