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Emerson Fisher 92B User Manual
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BLOCK V
AL
VE
INITIAL
PRESSURE
GAUGE
BLOCK V
AL
VE
TRAP
STRAINER
TYPE 9
2B
BLOCK V
AL
VE
SENSING LINE
REDUCED
PRESSURE
GAUGE
TYPE 9
2B SINGLE-
ST
AGE INST
ALLA
TION
E0706
BLOCK V
AL
VE
BLOCK
VA
LV
E
STRAINER
TYPE 9
2B
BLOCK
VA
LV
E
SENSING LINE
REDUCED
PRESSURE
GAUGE
INITIAL
PRESSURE
GAUGE
BLOCK
VA
LV
E
TRAP
STRAINER
TYPE 9
2B
SENSING LINE
REDUCED
PRESSURE
GAUGE
BLOCK
VA
LV
E
TRAP
TYPE 9
2B SINGLE-
ST
AGE P
ARALLEL INST
ALLA
TION
E0707
TYPE 9
2B TWO-
ST
AGE INST
ALLA
TION
E0708
Figure 4.
T
ype 92B T
ypical Installations
BLOCK V
AL
VE
INITIAL
PRESSURE
GAUGE
BLOCK
VA
LV
E
TRAP
STRAINER
PRIMARY
TYPE 9
2B
SENSING
LINE
INTERMEDIA
TE
PRESSURE
GAUGE
BLOCK
VA
LV
E
TRAP
SECONDARY
TYPE 9
2B
BLOCK
VA
LV
E
SENSING
LINE
BLOCK V
AL
VE
REDUCED
PRESSURE
GAUGE
6
T
ype 92B
5
7
Table of Contents
Introduction
1
Product Description
1
Type 92B Pressure Reducing Valve
1
Specifications
2
Body Sizes and End Connection Styles
2
Outlet Pressure Ranges
2
Available Configurations
2
Principle of Operation
3
Type 92B Operational Schematic
3
Type 6492HM Safety Override System
4
Installation
4
Maximum Inlet Pressures and Temperatures
4
Safety Override System Schematic
5
Minimum Differential Pressures for Safety Override System
5
Type 92B Single-Stage Installation
6
Type 92B Single-Stage Parallel Installation
6
Type 92B Typical Installations
6
Safety Override System Installation
7
Startup and Adjustment
7
Top View
7
Side View
7
Prior to Valve Startup
8
New Installations
8
Old Installations
8
Pilot Adjustment
8
Shutdown
9
Troubleshooting
9
To Take the Regulator out of Operation
9
Main Valve Disassembly
9
Maintenance
9
Pilot Disassembly
10
Main Valve Reassembly
10
Type 92B Pilot Reassembly
10
To Clean Pilot Strainer Assembly
11
To Clean Bleed Fitting
11
Typical Type 92B Construction
11
Types 6492HM and 6492HTM Pilots
12
Type 92B High Pressure Pilot Exploded View
12
Parts Ordering
13
Parts List
13
Type 92B Main Valve Torques
13
Type 92B Pilot Torques
13
Type 92B Main Valve Assembly
18
Low-Pressure Pilot Assembly
19
High-Pressure Pilot Assembly
19
Optional Handwheel Assembly
20
Optional Sealed Adjusting Screw
20
Steel and Stainless Steel Body
20
Cast Iron Body
20
Cast Iron Pilot Assembly
21
Steel Pilot Mounting Assembly (High Pressure Pilot Shown)
21
Type 6492HM Pilot Assembly
22
Safety Override Pilot Warning Label (Key 95)
22
Safety Override Pilot Assembly
23
Other manuals for Emerson Fisher 92B
Installation Guide
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Emerson Fisher 92B Specifications
General
Brand
Emerson
Model
Fisher 92B
Category
Control Unit
Language
English
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