ESS3 ESS4
Description Part No. Part No. Qty.
1
Body 0701-0705 0701-0706 1
2
Bonnet 0720-0343 0720-0342 1
3
Gauge Guard 1429-0071 1429-0070 1
4
Diaphragm Assembly 0730-0024 TABLE 1 1
4A
Back-Up Ring --- TABLE 1 1
5
Screw (Gauge Guard) 1400-0248 1400-0239 2
6
Decal, Knob 1415-0788 1415-0791 1
7
Screw 2
8
Washer 1
9
Knob 1
10
Socket Head Cap Screw (b)
11
Thrust Washer 1
12
Drive Screw 1
13
Guide Bushing Assm. 1
14
Washer, Special 1
15
Adjusting Spring 1
16
Nozzle 1
17
O-Ring (Nozzle Body) 1
18
Seat Assembly 1
19
Valve Spring 1
20
Gland 1
21
Friction Damper 1
22
Bottom Guide 1
23
Inlet Nut 1
24
Inlet Swivel w/Filter 1
24A
Inlet Filter 1
25
Pipe Plug 1
26
Outlet Connection 1
27
Relief Valve 1
28
Gauge, Low Pressure 1
29
Gauge, High Pressure 1
30
Decal, Bonnet Gas I.D. 1
31
Decal, Rear Body Gas Info. 1
(a) Cylinder models only.
(b) ESS3 uses five (5) screws, ESS4 uses six (6) screws.
TABLE 2
TABLE 2
TABLE 2
TABLE 3
TABLE 1
TABLE 1
TABLE 2
TABLE 2
0717-0003 (a)
1105-0014
0708-0018
1408-0033
0708-0003
0762-0006
TABLE 1
TABLE 2
1407-0282
TABLE 2
1406-0220
1406-0006
0750-0201
0750-0203
1400-0239
1406-0050
TABLE 2
1400-0246
Ref.
No.
Items most commonly required for regulator repair and recommended for stock.
PARTS LIST - ESS3 and ESS4 Model Regulators
8A
Lock Washer 1
1406-0215
ESS3 Model
(ESS3-125-540 Shown)
ESS4 Model
(ESS4-125-540 Shown)
5.69
2.18
5.88
2.55
3.23
3.82
INLET
OUTLET
RELIEF
INLET
OUTLET
RELIEF
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ESS3/ESS4 SECTION 1