Fisher 167D Instruction Manual page 3

O-RING
PORT A
BODY
ORIFICE SEAT
M1151
TYPE 167DA THREE-WAY SWITCHING VALVE
INLET PRESSURE INLET PRESSURE
OUTLET PRESSURE (WHEN LOADING PRESSURE IS LESS THAN SETPOINT) OUTLET PRESSURE (WHEN LOADING PRESSURE IS LESS THAN SETPOINT)
OUTLET PRESSURE (WHEN LOADING PRESSURE IS EQUAL TO OR GREATER THAN SETPOINT) OUTLET PRESSURE (WHEN LOADING PRESSURE IS EQUAL TO OR GREATER THAN SETPOINT)
ATMOSPHERIC PRESSURE
ATMOSPHERIC PRESSURE
LOADING PRESSURE
LOADING PRESSURE
Table 1. Three-Way Switching Valves Set Pressure Ranges and Control Spring Data
SET PRESSURE RANGE
Port A or C
TYPE
as Inlet
psig bar
14 to 20 0,97 to 1,4
16 to 35 1,1 to 2,4
167DA
25 to 60 1,7 to 4,1
40 to 125 2,8 to 8,6
14 to 20 0,97 to 1,4
16 to 35 1,1 to 2,4
167DAS
25 to 60 1,7 to 4,1
40 to 125 2,8 to 8,6
Table 2. Two-Way Switching Valves Set Pressure Ranges and Control Spring Data
SET PRESSURE RANGE
TYPE Port A as Inlet
psig
3 to 15
5 to 20
5 to 35
167D
25 to 60
40 to 125
5 to 20
5 to 35
167DS 25 to 60
40 to 125
50 to 150
Inconel is a mark owned by Special Metals Corporation.
®
ADJUSTING SCREW
CONTROL SPRING
DIAPHRAGM
PORT C
VALVE STEM
VALVE PLUG
VALVE SPRING
PORT B
Figure 2. 167D Series Operational Schematics (Port D not shown)
Port B as Inlet
Color Code
psig bar
7 to 20 0,48 to 1,4 White stripe
10 to 30 0,69 to 2,1 Purple stripe
25 to 50 1,7 to 3,4 Brown stripe
40 to 90 2,8 to 6,2 Pink stripe
7 to 20 0,48 to 1,4 White
10 to 30 0,69 to 2,1 Purple
25 to 50 1,7 to 3,4 Brown
40 to 90 2,8 to 6,2 Pink
bar
0,21 to 1,0
Yellow stripe White stripe
0,34 to 1,4
0,34 to 2,4
1,7 to 4,1
2,8 to 8,6
0,34 to 1,4
0,34 to 2,4
1,7 to 4,1
2,8 to 8,6
3,4 to 10,3
SOFT SEAT
O-RING
PORT A
BODY
M1152
TYPE 167D TWO-WAY SWITCHING VALVE
CONTROL SPRING DATA
Material Part Number
Zinc-plated GE40282X012
Music Wire GE40283X012
Chrome GE40284X012
Silicon GE40345X012
GE40320X012
Inconel GE40321X012
®
X-750 GE40322X012
GE40323X012
CONTROL SPRING DATA
Color Code Material
Zinc-plated
Purple stripe Music Wire
Brown stripe
Chrome Silicon
Pink stripe
White
Purple
Brown Inconel X-750
®
Pink
Gold
167D Series
ADJUSTING SCREW
CONTROL SPRING
DIAPHRAGM
PORT C
VALVE STEM
ORIFICE SEAT
VALVE PLUG
VALVE SPRING
PRESSURE
CHANGE ON
TO SHIFT FROM
Wire Diameter Free Length PORT B CLOSED
TO PORT C
Inch mm Inch mm psid
0.145 3,68 10
0.156 3,96 13
1.425 36,2
0.172 4,37 17
0.207 5,26 35
0.148 3,76
0.162 4,12 12
1.750 44,4
0.177 4,50 16
0.218 5,54 31
Wire Diameter
Part Number
Inch mm
GG00421X012 0.142 3,61
GE40282X012 0.145 3,68
GE40283X012 0.156 3,96
GE40284X012 0.172 4,37
GE40345X012 0.207 5,26
GE40320X012 0.148 3,76
GE40321X012 0.162 4,12
GE40322X012 0.177 4,50
GE40323X012 0.218 5,54
GE40324X012 0.234 5,94
MAXIMUM
CLOSED
bar d
0,69
0,90
1,2
2,4
8 0,55
0,83
1,1
2,1
Free Length
Inch mm
1.425 36,2
1.750 44,4
3