Amtrol ST-452C - Manual
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MC 4400 (06/15)
Amtrol Inc
., 1400 Division Road, West Warwick, RI 02893 USA T: 401.884.6300
www.amtrol.com
34
250 PSIG Working Pressure
All dimensions and weights are approximate.
THERM-X-TROL
®
Thermal Expansion: Full Acceptance Bladder ST-440C and ST-450C Series ASME
Construction
Shell
Steel
Bladder Material
Heavy Duty Butyl NSF/ANSI 61
Bladder Thickness
.100 In Minimum
System Connection
Bronze
Finish
Red Oxide Primer
Air Valve
Schrader Valve w/ EPDM Seat
Factory Precharge
55 PSIG (3.8 bar)
Performance
Maximum Operating Temperature 240°F (115°C)
Maximum Working Pressure
250 PSIG (17.2 bar)
Warranty
1 Year
Job Name _____________________________________
Engineer _____________________________________
Contractor _____________________________________
P.O. No. _____________________________________
Sales Rep. _____________________________________
Model No. _____________________________________
Notes _________________________________
_______________________________________
_______________________________________
_______________________________________
_______________________________________
_______________________________________
Application
• For use in closed, potable water
systems to control pressure
build-up.
• Full acceptance replaceable
bladder design.
• Optional sight glass and seismic
restraints available.
• Designed and constructed
per ASME Code Section VIII,
Division 1.
ASME Models
Model
Number
Tank
Volume
Max.
Accept.
Factor
A
Tank Diameter
B
Tank Height
C
System Conn. Height
D
Conn. Centerline
E
Stand Diameter
System
Conn.
(NPTF)
Shipping
Weight
Gal
Lit
In
mm
In
mm
In
mm
In
mm
In
mm
In
Lbs
Kg
ST-447C
53
200
1.0
24
610
45
1143
2
51
3¾
95
19
483
2
370
168
ST-448C
80
300
1.0
24
610
59
1498
2
51
3¾
95
19
483
2
492
223
ST-449C
106
400
1.0
24
610
73
1854
2
51
3¾
95
19
483
2
510
231
ST-450C
132
500
1.0
24
610
87
2210
2
51
3¾
95
19
483
2
570
259
ST-451C
158
600
1.0
30
762
73
1854
3½
89
5½
140
24
610
2
815
370
ST-452C
211
800
1.0
30
762
91
2311
3½
89
5½
140
24
610
2
1005
456
ST-453C
264
1000
1.0
36
914
86
2184
4½
114
7
178
30
762
3
1100
499
ST-454C
317
1200
1.0
36
914
98
2438
4½
114
7
178
30
762
3
1265
574
ST-455C
370
1400
1.0
36
914
110
2794
4½
114
7
178
30
762
3
1350
612
ST-456C
422
1600
1.0
48
1219
82
2083
7½
191
7⅛
178
42
1067
3
1660
753
ST-457C
528
2000
1.0
48
1219
97
2464
7½
191
7⅛
178
42
1067
3
2230 1012
A
CHARGING
VALVE
SYSTEM
CONNECTION
B
D
C
E
BLADDER ONLY
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