1
Valve Ends ASME/ANSI
Pressure PSIG (bar)
Temperature °F (°C)
CAST IRON
Class 250 NPT
250 (17.2)
@
450 (232)
B16.1 Class 125 Flanged
125 (8.6)
@
450 (232)
B16.1 Class 250 Flanged
250 (17.2)
@
450 (232)
CAST STEEL
B16.34 Class 300 NPT
300 (21.0)
@
600 (315)
B16.34 Class 150 Flanged
150 (10.3)
@
500 (260)
B16.34 Class 300 Flanged
300 (21.0)
@
600 (315)
SD 3005A
TYPE E5 Main Valve
S
PECIFICATION
The Spence type E5 Main Valve is self-operated, external pilot type, single seat-
ed, diaphragm actuated, normally closed design. The valve will function quickly
and shut tight on dead end service. Internal parts including seats, discs and
stems are of stainless steel. The diaphragm is a balanced Hycar material
designed for high lift but low differential. There is an external condensation
chamber supplied. The main valve spring shall operate on a 5 psi minimum
differential. There are no springs in the steam flow path and no stuffing box.
Canadian Registration # OC 0591.9C
Printed
in
the
U.S.A.
SD3005A/0607
DIMENSIONS (inches) AND WEIGHTS (pounds)
C
APPROX.WT
A
Integral Mount
D*
Iron,Brz.
Iron
Steel
SIZE
ANSI
ANSI
ANSI
B
Std.
CI
Stl.
ANSI
SCR
Stl.ANSI
ANSI
ANSI
ANSI
ANSI
NPT
125
250
Mount
125
250
NPT
125
250
150
300
3
/
4
4
3
/
4
—
—
6
7
/
8
2
7
/
8
3
5
/
8
3
1
/
2
11
1
/
4
11
1
/
4
23
—
—
—
—
(19)
(111)
—
—
(175)
(73)
(92)
(89)
(286)
(286)
(10)
—
—
—
—
1
5
3
/
8
5
1
/
2
6
6
7
/
8
3
5
/
8
4
3
/
8
4
3
/
8
11
5
/
8
11
5
/
8
24
30
33
35
39
(25)
(137)
(140)
(152)
(175)
(92)
(111)
(111)
(295)
(295)
(11)
(14)
(15)
(16)
(18)
1
1
/
4
6
1
/
2
6
3
/
4
7
1
/
4
9
1
/
8
4
1
/
8
4
4
5
/
8
13
1
/
2
13
1
/
2
49
46
49
58
63
(32)
(165)
(171)
(184)
(232)
(105)
(102)
(117)
(343)
(343)
(22)
(21)
(22)
(26)
(29)
1
1
/
2
7
1
/
4
6
7
/
8
7
3
/
8
9
1
/
8
4
3
/
8
4
1
/
2
5
13
5
/
8
13
5
/
8
53
58
68
67
74
(38)
(184)
(175)
(187)
(232)
(111)
(114)
(127)
(346)
(346)
(24)
(26)
(31)
(30)
(34)
2
7
1
/
2
8
1
/
2
9
11
1
/
8
5
1
/
4
5
5
5
/
8
16
1
/
4
16
1
/
4
84
90
97
113
120
(51)
(191)
(216)
(229)
(283)
(133)
(127)
(143)
(413)
(413)
(38)
(41)
(44)
(51)
(55)
2
1
/
2
—
9
3
/
8
10
11
1
/
8
5
3
/
4
5
3
/
8
6
16
1
/
2
16
1
/
2
—
97
112
130
135
(64)
—
(238)
(254)
(283)
(146)
(137)
(152)
(419)
(419)
—
(44)
(51)
(59)
(61)
3
—
10
10
3
/
4
13
1
/
2
6
5
/
8
6
3
/
8
7
19
1
/
4
19
1
/
4
—
148
170
210
226
(76)
—
(254)
(273)
(343)
(168)
(162)
(178)
(489)
(489)
—
(67)
(77)
(95)
(103)
4
—
11
7
/
8
12
1
/
2
13
1
/
2
7
5
/
8
6
5
/
8
8
18
3
/
8
23
3
/
8
—
208
293
307
330
(102)
—
(302)
(318)
(343)
(194)
(168)
(203)
(467)
(594)
—
(95)
(133)
(139)
(150)
5
—
13
5
/
8
14
1
/
2
13
1
/
2
8
1
/
2
7
3
/
8
8
3
/
4
18
3
/
4
23
3
/
4
—
240
333
335
366
(127)
—
(346)
(368)
(343)
(216)
(187)
(222)
(476)
(603)
—
(109)
(151)
(152)
(166)
6
—
15
1
/
8
16
16
3
/
4
10
7
—
23
1
/
2
27
3
/
8
—
348
616
560
503
(152)
—
(384)
(406)
(425)
(254)
(178)
—
(597)
(695)
—
(158)
(280)
(254)
(274)
8
—
19
20
16
3
/
4
11
1
/
2
9
1
/
4
—
23
3
/
4
29
5
/
8
—
650
814
795
862
(203)
—
(483)
(508)
(425)
(292)
(235)
—
(603)
(752)
—
(295)
(370)
(361)
(392)
10
—
23
5
/
8
25
20
13
3
/
4
—
—
30
3
/
4
35
3
/
8
—
910
1130
1345
1420
(254)
—
(600)
(635)
(508)
(349)
—
—
(781)
(899)
—
(414)
(513)
(611)
(645)
12
—
26
1
/
2
28
24
3
/
4
15
7
/
8
—
—
39
3
/
4
39
3
/
4
—
1580
1920
1990
2160
(305)
—
(673)
(711)
(629)
(403)
—
—
(1010)
(1010)
—
(718)
(872)
(904)
(982)
*Add 150% to D dimension for stem removal clearance.
SEAT
REGULATOR SIZE
FACTOR
3
/
4
1
1
1
/
4
1
1
/
2
2
2
1
/
2
3
4
5
6
8
10
12
Full
7.6
11.7
18.9
27.4
43
67
95
159
258
350
665
1018
1611
Normal
5.7
10.0
13.4
19.8
25
35
59
120
176
228
366
525
952
RATED FLOW COEFFICIENTS
(Cv)
C
A
B
D
FIGURE 1
