Page 25 - ExpansionJointsCatalog2010

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control units
Style 240
Single Sphere
Connector
Figure 3.
Style 242
Twin Sphere
Connector
Figure 4.
Figure 1.
Style 240
Single Sphere Connector
Length
Metal
Floating
Flanges
Length
Metal
Floating
Flanges
Stabilizing Ring
NOTES: 1. Control Rod Plate O.D. installed dimension is based on a
maximum
O.D. PROCO would supply. (See Figures 3 & 4)
2. Control Rod diameter is based on a
maximum
diameter PROCO
would use to design a Control Rod.
3. Rod pressure ratings are based on metal conforming to F.S.A.
standards and dimensions.
Figure 2.
Style 242
Twin Sphere Connector
Control Rod/Unit Applications.
Control unit assemblies are designed to absorb
static pressure thrust developed at the expansion joint. When used in this man-
ner, control unit assemblies are an additional safety factor, minimizing possible
failure of the expansion joint or damage to equipment. (See Tables 4 & 5).
Special Applications.
Certain Style 240 (Single Sphere) and 242 (Twin Sphere)
expansion joints are available in High-Pressure Designs. For specific pressures,
see Table 6. Style designations are listed as 240-HW (sizes stocked in Table 2)
and 242-HA, 242-HB & 242-HC (sizes stocked in Table 3.) The High-Pressure
Design is recommended when the connector is to be installed into ANSI 250/
300# piping systems.
Anchored Systems:
Control unit assemblies are not required in pip-
ing systems that are anchored on both sides of the expansion joint,
provided piping movements are within the rated movements as shown
in Tables 2 & 3.
Unanchored Systems:
Control unit assemblies are always required in
unanchored systems. Additionally, control unit assemblies must be used
when maximum pressure exceeds the limits shown in Table 4 & 5, or
the movement exceeds the rated movements as shown in Tables 2 & 3.
Spring-Mounted Equipment:
Control unit assemblies are always rec-
ommended for spring-mounted equipment. Additionally, control unit
assemblies must be used when maximum pressure exceeds the limits
shown in Tables 4 & 5, or the movement exceeds the rated movements
as shown in Tables 2 & 3.
1.
2.
3.
Table 4: Control Units/Unanchored
Control Units must be installed when pressures
(test • design • surge • operating) exceed rating below:
Table 6: Special Construction Pressures
Series 240 & 242
Pipe Size
Heavyweight P.S.I.G.
Table 4: Control Units
Table 5: Control Units
Control Rod Plate
Thickness (in)
Rod
Diameter
2
(in)
Maximum Surge or Test
Pressure of System/PSIG
3
Number of Rods Required:
Nominal
Pipe Size (in)
Control Rod
Plate O.D.
1
(in)
2
3
4
Series 240
Series 242
Pipe Size
P.S.I.G.
P.S.I.G.
1" thru 4"
180
135
5" thru 10"
135
135
12" thru 14"
90
90
16" thru 24"
45
45
26" thru 30"
35
35
1" thru 8"
300
10" thru 12"
275
14"
200
16" thru 20"
175
22" thru 30"
160
8.375 0.375 0.625
1
949
— —
8.750 0.375 0.625
1.25
830
— —
9.125 0.375 0.625
1.5
510
— —
10.125 0.375 0.625
2
661
— —
11.125 0.375 1.000
2.5
529
— —
11.625 0.375 1.000
3
441
— —
12.625 0.375 1.000
3.5
365
547
729
13.125 0.375 1.000
4
311
467
622
14.125 0.500 1.000
5
235
353
470
15.125 0.500 1.000
6
186
278
371
19.125 0.500 1.000
8
163
244
326
21.625 0.750 1.000
10
163
244
325
24.625 0.750 1.000
12
160
240
320
26.625 0.750 1.000
14
112
167
223
30.125 0.750 1.250
16
113
170
227
31.625 0.750 1.250
18
94
141
187
34.125 0.750 1.250
20
79
118
158
36.125 1.000 1.250
22
85
128
171
38.625 1.000 1.250
24
74
110
147
40.825 1.000 1.250
26
62
93
124
44.125 1.250 1.500
28
65
98
130
46.375 1.250 1.500
30
70
105
141