Specifications
This section lists the specifications for the Type E main valve. Factory specifications are stamped on the
nameplate fastened on the regulator at the factory.
Temperature Rating
(1)
See Table 1
Rated Flow Coefficient
See Table 2
Main Valve Material
Cast Iron and Cast Steel
Approximate Weight
See Table 3
Valve Sizes
NPS 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5,
6, 8, 10, 12 / DN 10, 15, 20, 25, 32, 40, 50, 65, 80,
100, 125, 150, 200, 250 and 300
End Connection Styles
NPT, CL125, CL150, CL250, CL300, CL600
Pressure Rating
(1)
See Table 1
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
Table 1.
Type E Main Valve Pressure and Temperature Rating
(1)
MAIN VALVE MATERIAL
END CONNECTION
PRESSURE RATING
TEMPERATURE RATING
psig
bar
°F
°C
Cast Iron
250 NPT
250
17.2
406
207
CL125
125
8.62
450
232
CL250
250
17.2
450
232
Cast Steel
300 NPT
300
20.7
600
315
CL150
150
10.3
500
260
CL300
300
20.7
600
315
CL600
600
41.4
600
315
1. Ratings based on maximum inlet conditions.
Table 2
. Type E Main Valve Rated Flow Coefficients
SEAT
FACTOR
VALVE SIZE, NPS / DN
3/8 / 10
1/2 / 15
3/4 / 20
1 / 25
1-1/4 / 32 1-1/2 / 40
2 / 50
2-1/2 / 65
3 / 80
4 / 100
5 / 125
6 / 150
8 / 200
10 / 250
12 / 300
Full
1.5
2.8
5.4
8.8
14.1
19.8
31
44
74
109
169
248
444
706
1113
Full 75%
- - - -
2.1
4.0
6.6
10.6
14.8
23.3
33
56
82
127
186
333
530
835
Full 50%
- - - -
1.4
2.7
4.4
7.0
9.9
15.5
22
37
55
85
124
222
353
557
Normal
0.65
1.5
4.8
7.5
10.4
14.6
17.6
24
43
78
115
151
249
377
631
Normal 75%
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
18
33
59
87
114
187
283
474
Normal 50%
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
12
22
39
58
76
125
189
316
Table 3
. Type E Main Valve Approximate Weight
VALVE SIZE
END CONNECTION STYLE
NPT
CL125
CL150
CL250
CL300
CL600
NPS
DN
lbs
kg
lbs
kg
lbs
kg
lbs
kg
lbs
kg
lbs
kg
3/8
10
14
6.35
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
1/2
15
14
6.35
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
20
9.07
3/4
20
18
8.16
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
28
12.7
1
25
23
10.4
24
10.9
26
11.8
27
12.2
31
14.1
32
14.5
1-1/4
32
33
15.0
36
16.3
37
16.8
40
18.1
41
18.6
45
20.4
1-1/2
40
43
19.5
45
20.4
47
21.3
51
23.1
55
24.9
58
26.3
2
50
62
28.1
67
30.4
73
33.1
72
32.7
78
35.4
83
37.6
2-1/2
65
- - - -
- - - -
82
37.2
95
43.1
100
45.4
100
45.4
130
59.0
3
80
- - - -
- - - -
110
49.9
125
56.7
130
59.0
140
63.5
175
79.4
4
100
- - - -
- - - -
200
90.7
210
95.3
235
107
230
104
310
141
5
125
- - - -
- - - -
280
127
295
134
315
143
310
141
490
222
6
150
- - - -
- - - -
385
175
420
191
455
206
470
213
655
297
8
200
- - - -
- - - -
657
298
700
318
735
333
710
322
1070
485
10
250
- - - -
- - - -
1260
572
1240
562
1430
649
1300
590
- - - -
- - - -
12
300
- - - -
- - - -
2070
939
2060
934
2145
973
2140
971
- - - -
- - - -
2
Type E