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2.2 Construction
Caution
Be sure to remove the plug of the pressure gauge mounting part that was installed at the time
of shipment and replace it with the included pressure gauge.
*Corrosion resistance is not considered because the plug is for airtightness test at the time of
shipment.
3. Operation
(Refer to the parts number in "2.2 Construction")
Turning the adjusting screw (10) to compress the adjusting spring (14) and the load of adjusting
spring is introduced to the diaphragm (8) and suspension metal (6) to open the valve (4). Then,
the fluids begin to flow from the inlet side through the upper side of the valve. The reduced
pressure is led to the diaphragm to be balanced with the adjusting spring load, and control the
valve travel to maintain the reduced pressure.
-4-
No.
Name of parts
1
Body (GD-24)
2
Spring Chamber
3
Cap
4
Valve (Disc)
5
Valve Seat
6
Suspension Metal
7
Diaphragm Shell
8
Diaphragm
9
Spring Plate
10
Adjusting Screw
11
Lock Nut
12
Spring Lock Washer
13
Nut
14
Adjusting Spring
15
O-ring
16
Bolt
17
Sealed Nut
18
Spring
19
Pressure Gauge
20
Body (SY-24)
21
Cap
22
Screen
23
O-ring
24
Label
25
Spring Washer
■ EPDT-175d■
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