Emerson Fisher 92S Installation Manual

Installation Guide
D100637X014
English – October 2013
Introduction
This installation guide provides instructions for installation,
startup, and adjustment. To receive a copy of the instruction
manual, contact your local Sales Office or view a copy at
www.fisher.com. For further information refer to: Type 92S
Instruction Manual, form 5234, D100637X012.
P.E.D. Categories
This product may be used as a safety accessory with
pressure equipment in the following Pressure Equipment
Directive categories. It may also be used out-side of the
Pressure Equipment Directive using sound engineering
practice (SEP) per table below. For information on the
current PED revision see Bulletin: D103053X012.
PRODUCT SIZE
DN 25 / 1 in.
DN 40, 50, 65, 80, 100 and 150 x 100 /
1-1/2, 2, 2-1/2, 3, 4 and 6 x 4 in.
Specifications
Main Valve Body Sizes and End Connection Styles
BODY SIZE
DN In.
25, 40 and 50 1, 1-1/2 and 2
25, 40, 50, 65, 1, 1-1/2, 2,
80 and 100 2-1/2, 3 and 4
150 x 100 6 x 4
(1) (1)
Maximum Inlet and Pilot Supply Pressure
Cast Iron Main Valve and Pilot: 17.2 bar / 250 psig or
body rating limit, whichever is lower
Steel or Stainless Steel Main Valve and Pilot: 20.7 bar /
300 psig or body rating limit, whichever is lower
Table 1. Maximum Inlet and Outlet Pressures
MAXIMUM ALLOWABLE INLET PRESSURE
PILOT TYPE Cast Iron
bar
6492L 17.2
6492H 17.2
6492HT - - - -
1. The two-number designation indicates end connection size by trim size.
2. The pressure/temperature limits in this installation guide and any applicable standard or code limitation should not be exceeded.
CATEGORIES FLUID TYPE
SEP
II
END CONNECTION STYLE AND RATING
Steel or
Cast Iron Body
Stainless Steel Body
NPT NPT
CL150 RF, CL300 RF,
CL125 FF or
CL600 RF or
CL250 RF
PN 10/25/40
CL300 RF, CL600 RF or
Not Available
PN16/25/40/64/100
(1)
(1)
Steel or
Stainless Steel
psig bar psig
250 20.7 300
250 20.7 300
20.7 300
Minimum and Maximum Differential Pressures
BODY SIZE
DN
25, 40, 50
65, 80, 100,
150 X 200
(1)
Maximum Inlet and Outlet Pressures
See Table 1
Proof Test Pressure
All Pressure Retaining Components have been proof
tested per Pressure Equipment Directive.
1
Outlet (Control) Pressure Ranges
PILOT TYPE
(1)
6492L
6492H
6492HT
Maximum Allowable Loading Pressure for Pilot with
Tapped Spring Case
Combination of pilot control spring setting and spring case
loading pressure must not exceed 10.3 bar / 150 psig for
Type 6492H pilot or 1.7 bar / 25 psig for Type 6492L pilot
and 17.2 bar / 250 psig for Type 6492HT.
Maximum Material Temperature Capabilities
Cast Iron Construction: 208°C / 406°F
Steel Construction: 260°C / 500°F
High Temperature Optional Steel and Stainless steel
Construction: 343°C / 650°F
MAXIMUM OPERATING
OUTLET PRESSURE
bar psig
1.7 25
17.2 bar or main
valve body rating
10.3 150
limit, whichever
17.2 250
MINIMUM
DIFFERENTIAL
PRESSURE
In. bar psi
1, 1-1/2, 2 1.0 15
2-1/2, 3, 4,
1.4 20
6 X 4
(1)
OUTLET PRESSURE RANGES
bar
0.14 to 0.41
0.34 to 1.0
0.90 to 1.7
0.69 to 2.1
1.7 to 5.2
4.8 to 10.3
1.0 to 6.9
5.5 to 17.2
(2)
MAXIMUM EMERGENCY OUTLET PRESSURE
Cast Iron Main Valve Stainless Steel or Steel Main
and Pilot Body
bar psig
6.90 100
250 psig or main 20.7 bar or main
valve body rating valve body rating
limit, whichever limit, whichever
is lower is lower
20.7 bar or main
valve body rating
- - - -
limit, whichever
Type 92S
(1)
MAXIMUM
DIFFERENTIAL PRESSURE
bar psi
13.8 bar or 200 psi or
body rating body rating
limit, limit,
whichever is whichever is
lower lower
12.1 bar or
175 psi or body
body
rating limit,
rating limit,
whichever is
whichever is
lower
lower
(2)
(2)
psig
2 to 6
5 to 15
13 to 25
10 to 30
25 to 75
70 to 150
15 to 100
80 to 250
(2)
Valve and Pilot Body
bar psig
6.90 100
300 psig or main
valve body rating
limit, whichever
is lower is lower
300 psig or main
valve body rating
limit, whichever
is lower is lower