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MAIN VALVE BODY SIZE
DN
NPS
25
1
50
2
80
3
100
4
OUTLET PRESSURE RANGE
TYPE
bar
1.00 to 1.8
1.6 to 3.0
2.8 to 5.5
PRX/120
5.0 to 8.5
PRX/125
8.0 to 14.5
14.0 to 23.0
22.0 to 30.0
PRX/120-AP
30.0 to 80.0
PRX/125-AP
Key
Description
24
Continuous Thread Stud Bolt
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
DN 25 / NPS 1 Body (4 required)
DN 50 / NPS 2 Body (6 required)
DN 80 / NPS 3 Body (4 required)
25
Intermediate Flange
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
26
Hex Nut
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
DN 25 / NPS 1 Body (4 required)
DN 50 / NPS 2 Body (6 required)
DN 80 / NPS 3 Body (4 required)
27
Sleeve Adaptor
EZH Series
DN 25, 50 and 80 / NPS 1, 2 and 3 Body
DN 100 / NPS 4 Body
(2)
EZHSO Series
(2)
28*
O-ring
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
29*
O-ring
(3)
30*
Disk Holder Assembly
31
Disk Retainer
32
Lock Washer, EZH Series only
DN 25 / NPS 1 Body (1 required)
DN 50 / NPS 2 Body (2 required)
DN 80 / NPS 3 Body (3 required)
DN 100 / NPS 4 Body (4 required)
33
Socket Head Cap Screw, EZH Series only
DN 25 / NPS 1 Body (1 required)
DN 50 / NPS 2 Body (2 required)
DN 80 / NPS 3 Body (3 required)
DN 100 / NPS 4 Body (4 required)
34*
O-ring
35
Bracket or Eyebolt (2 required)
36
Nameplate
37
Drive Screw (2 required)
38
Travel Indicator Plug
39
Long Bolt (2 required) EZH Series
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
43
Caution/Warning Label
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies (2 required)
DN 100 / NPS 4 Body (1 required)
44
Adjusting Screw Cap
59
Flow Arrow
60
Protective Cap (2 required)
DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
*Recommended spare part
2. Parts are not orderable. See sleeve subassembly in Instruction Manual if it needs to be replaced.
3. Included also in EZHSO Series sleeve subassembly (DN 25, 50 and 80 / NPS 1, 2 and 3 ).
4. Included also in sleeve subassembly.
Table 1. Main Valve Body Sizes, End Connection Styles and Body Ratings
MAIN VALVE BODY MATERIAL
WCC Steel
Table 2. Outlet Pressure Ranges
AC (ACCURACY CLASS)
psig
EZH Series
14.5 to 26
23 to 44
2.5%
41 to 80
73 to 123
116 to 210
203 to 334
1%
319 to 435
435 to 1160
1%
(3)
EZH and EZHSO Series
END CONNECTION STYLE
NPT or SWE
CL150 RF
CL300 RF
CL600 RF or BWE
NPT or SWE
CL150 RF
CL300 RF
CL600 RF or BWE
CL150 RF
CL300 RF
CL600 RF or BWE
CL150 RF
CL300 RF
CL600 RF or BWE
PILOT CONTROL SPRING INFORMATION
EZHSO Series
Spring Color
2.5%
2.5%
Aluminum
2.5%
Key
Description
61
Sleeve Guide, DN 100 / NPS 4 Body only
62*
O-ring, DN 25, 50 and 80 / NPS 1, 2 and 3 Bodies only
63*
O-ring
64*
O-ring
66
Socket Head Set Screw
DN 100 / NPS 4 Body Only (8 required)
67
Crush Washer
DN 100 / NPS 4 Body Only (8 required)
68
Special Screw
DN 100 / NPS 4 Body Only (8 required)
69*
O-ring
70
Cap, DN 100 / NPS 4 Body Only
71*
O-ring
72
Locking Nut
EZH Series, DN 100 / NPS 4 Body only
73
Upper Spring Seat, EZH Series only
DN 100 / NPS 4 Body only
74
Hex Socket Cap Screw
DN 100 / NPS 4 Body only
75*
O-ring
77
Screw, DN 100 / NPS 4 Body only (8 required)
78
Cage
, DN 100 / NPS 4 Body only
(1)
82
Lower Spring Seat, EZH Series only
DN 100 / NPS 4 Body only
83
Ball Bearing (2 required)
DN 100 / NPS 4 Body only
138
Travel Indicator Cover
139
Travel Indicator Stem
140
Indicator Bushing
141
Travel Indicator Fitting
142A* O-ring
142B* O-ring
143* O-ring
144
Spring Collet
145
Retaining Ring
146
Protective Cap (EZHSO Series only)
147
Stem (EZHSO Series only)
148
Upper Spring Seat (EZHSO Series only)
149
Lower Spring Seat (EZHSO Series only)
150
Ring Guide (EZHSO Series only)
151
Stem Nut (2 required)
, EZHSO Series only
(4)
152
Hex Nut
(DN 50, 80 and 100 / NPS 2, 3 and 4
Bodies EZHSO Series only)
STRUCTURAL DESIGN RATING
bar
psig
103
1500
20.0
290
51.7
750
103
1500
103
1500
20.0
290
51.7
750
103
1500
20.0
290
51.7
750
103
1500
20.0
290
51.7
750
103
1500
Part Number
Yellow
M0255240X12
Green
M0255230X12
Blue
M0255180X12
Black
M0255220X12
Silver
M0255210X12
Gold
M0255200X12
M0255860X12
Clear
M0273790X12
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
(4)
3
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