Specifications; Pressure Rating; Temperature Rating - Emerson E2 Instruction Manual

Type E2

Specifications

This section lists the specifications for the Type E2 main valve. Factory specifications are stamped on the
nameplate fastened on the regulator at the factory.
Valve Sizes
NPS 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5, 6, 8 and
10 / DN 20, 25, 32, 40, 50, 65, 80, 100, 125, 150,
200 and 250
End Connection Styles
NPT, CL125

Pressure Rating

(1)
15 psig / 1.03 bar
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
SEAT
FACTOR
3/4 / 20 1 / 25
Full 7.6 11.7
70 to 75% - - - - 8.8
46% - - - - - - - -
VALVE SIZE
NPS
3/4
1
1-1/4
1-1/2
2
2-1/2
3
4
5
6
8
10
2
Table 1. Type E2 Main Valve Rated Flow Coefficients
1-1/4 / 32 1-1/2 / 40 2 / 50
18.9 27.4 44
13.2 19.2 30.8
- - - - 12.3 - - - -
Table 2. Type E2 Main Valve Approximate Weight
DN lbs
20 18
25 19
32 30
40 36
50 50
65 - - - -
80 - - - -
100 - - - -
125 - - - -
150 - - - -
200 - - - -
250 - - - -

Temperature Rating

250 °F/ 121 °C
Rated Flow Coefficient
See Table 1
Main Valve Material
Cast Iron
Approximate Weight
See Table 2
REGULATOR SIZE, NPS / DN
2-1/2 / 65 3 / 80 4 / 100
68 96 143
47.6 67.2 100
30.6 - - - - 64.4
END CONNECTION STYLE
NPT
kg
8.16
8.62
13.6
16.3
22.7
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
(1)
5 / 125 6 / 150 8 / 200
202 255 465
141 178 - - - -
- - - - 115 - - - -
FLANGE
lbs kg
- - - - - - - -
21
33
40
57
70
98
135
185
250
415
690
10 / 250
748
- - - -
336