2
Pressure Regulators with Type SP/P Safety Pilot
Specifications
This section lists the specifications for the Spence™ regulators with Type SP/P Pressure Safety Pilot. Factory
specifications are stamped on the nameplate fastened on the regulator at the factory.
Type E Main Valve
Available Sizes
NPS 3/8, 1/2, 34, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5,
6, 8, 10 and 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 and CL600
Pressure Rating
(1)
See Table 1
Temperature Rating
(1)
See Table 1
Rated Flow Coefficient
See Table 2
Construction Materials
Cast Iron and Cast Steel
Type D Pilot
Maximum Inlet Temperature
(1)
Cast Iron:
450°F / 232°C
Steel:
750°F / 400°C
Maximum Inlet Pressure
(1)
Cast Iron:
250 psig / 17.2 bar
Steel:
600 psig / 41.4 bar
Pressure Ranges
(1)
Type D:
3 to 150 psig / 0.21 to 10.3 bar
Type D2:
100 to 300 psig / 6.90 to 20.7 bar
Type D5:
1 to 25 psig / 0.07 to 1.72 bar
Type D120:
5 to 300 psig / 0.35 to 20.7 bar
Construction Materials
Cast Iron and cast Steel
Type SP/P Safety Pilot
Maximum Inlet Temperature
(1)
Bronze:
500°F / 260°C
Steel:
750°F / 400°C
Maximum Inlet Pressure
(1)
Bronze:
300 psig / 20.7 bar
Steel:
600 psig / 41.4 bar
Pressure Ranges
(1)
5 to 13 psig / 0.35 to 0.90 bar
13 to 30 psig / 0.90 to 2.07 bar
31 to 65 psig / 2.14 to 4.48 bar
66 to 120 psig / 4.55 to 8.27 bar
121 to 175 psig / 8.35 to 12.1 bar
Construction Materials
Bronze and Cast steel
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
