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