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L.P. GAUGE
29
OUTLET
27
SEAT GUIDE
FRICTION DAMPER
5
GLAND
6
SEAT ASSM.
21
O-RING
8
NOZZLE
9
WASHER
11
THRUST WASHER
14
GUIDE BUSHING
DRIVE SCREW
13
DECAL
19
(a) Pipe Plug replaces Relief Valve on fuel gas models (510, 300, 993).
(b) Used on "E" Range (200 PSIG Delivery) models only.
PLUG
20
4
RELIEF VALVE
(a)
28
(See DETAIL A)
VALVE SPRING
7
SCREW
10
DIAPHRAGM ASSM.
ADJUSTING SPRING
22
12
WASHER
17
SCREW
10
LOCK WASHER
18
RETAINING RING
25
BODY
1
2
BONNET
15
BONNET SCREWS
16
KNOB
23
- 16 -
EXPLODED VIEW - ESS7 HIGH-FLOW
H.P. GAUGE
30
INFO DECAL
31
INLET SWIVEL
INLET NUT
24
BACKUP RING
2A
(b)
Body
SPRING BUTTON
28I
Vented
SPRING
28F
UPPER SEAT
28D
SEAT
28B
DETAIL A - Relief Valve
26
INLET FILTER
3
Diaphragm
Assembly
Back-Up Ring
Orientation
In Assembly
(b)
Bonnet
CAP NUT
28K
ADJ. SCREW
28J
VENTED CAP
28H
CAP
28G
Non-Vented
DISC
28E
SEAT RET.
28C
BODY
28A
(a)
SECTION 3
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