Emerson Fisher 8532 Instruction Manual

Emerson Control Valves Instruction Manual - Fisher 8532.
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D101550X012

Type 8532 High Performance Butterfly Valve

Contents

Introduction

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Scope of Manual

1

. . . . . . . . . . . . . . . . . . . . . . . . . . 

Description

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Specifications

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Installation

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Valve Orientation

5

. . . . . . . . . . . . . . . . . . . . . . . . . 

Before Installing the Valve

5

. . . . . . . . . . . . . . . . . . 

Adjusting the Actuator Travel Stops 

or Travel

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Installing the Valve

7

. . . . . . . . . . . . . . . . . . . . . . . . 

Packing Adjustment and Shaft Bonding

8

. . . . . 

Maintenance

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removing and Replacing the Actuator

10

. . . . . . 

Packing Maintenance

10

. . . . . . . . . . . . . . . . . . . . . 

Removing the Valve

12

. . . . . . . . . . . . . . . . . . . . . . 

Seal Maintenance

12

. . . . . . . . . . . . . . . . . . . . . . . . 

PTFE Seals

13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

NOVEX, Phoenix III and/or

Phoenix III Fire-Tested Seals

14

. . . . . . . . . . 

Anti-Blowout Design, Packing, Valve Shaft,

Disc, and Bearing Maintenance

14

. . . . . . . . . . 

Installing the Two-Piece Shaft

16

. . . . . . . . . . . . 

Gasket Retainer

17

. . . . . . . . . . . . . . . . . . . . . . . . . 

Parts Ordering

18

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Parts List

19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Introduction

Scope of Manual

This instruction manual includes installation,
maintenance, and parts ordering information for 
NPS 14 through 24, Type 8532 High-Performance
Butterfly Valves (see figure 1). Refer to separate
instruction manuals for information covering the
actuator and accessories.

Do not install, operate, or maintain a Type 8532
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 Emerson Process Management

t sales

office before proceeding.

Figure 1. Type 8532 Valve with Type 1061 Actuator and

DVC6020 Digital Valve Controller

W9138-1

Unless otherwise noted, all NACE references are to
NACE MR0175-2002.

Note

Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.

Description

The valve is available in either a flangeless wafer
body or a single-flange (lugged) body design, with a
variety of seals and internal components. The
pressure-assisted seal provides tight shutoff. The
upper (splined) shaft combines with a variety of
pneumatic piston or spring-and-diaphragm
actuators. Maximum inlet pressure/temperature
ratings are consistent with CL150 and CL300.

Instruction Manual
Form 5288
November 2007

8532 Valve

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