Amtrol 420 Water System User Manual


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This handbook will discuss the basic sizing used
for our larger Well-X-Trol
®
s such as WX-400, 420,
440, and 450 series. This allows you to use the Well-
X-Trol
®
“principle of separation of air and water” on
larger jobs that are beyond the typical residential
range.
The Well-X-Trol
®
models we’ll be working with in
this handbook are listed in Table 1.
The design features of these larger models allow
us to apply them more creatively than the smaller
residential models found in the Well-X-Trol
®
100,
200, and 250 series.
The Larger Well-X-Trol
®
s are Designed and Built
for Maximum Acceptance on Each Operating
Cycle
In the smaller residential Well-X-Trol
®
s, the design
is for basic intermittent use and for the usually
found in residential applications. Standard pressure
ranges of (20) PSIG (between pump cut-in and
pump cut-out) are used.
In these applications, full use of the maximum
acceptance volume of the Well-X-Trol
®
is rarely
required to meet job conditions.
Series 420 & 447
Pressure Switch
Table 1.
WX Model No.
NON-CODE
(NON-ASME)
WX Model
No.
CODE
(ASME)
Total
Volume
(Gallons)
Maximum
Acceptance
Volume
(Gallons)
Maximum
Acceptance
Factor
(MAF)
WX-401 WX-401-C 17.5 11.2
5.
65
WX–402 WX–402-C 25 11.2
5.
45
WX-403 WX-403-C 34 11.2
5.
33
WX-404 WX-404-C 68 34 .50
WX-405 WX-405-C 90 34 .39
WX-406 WX-406-C 1103
4.
31
WX-407 WX-407-C 1324
6.
35
WX-421
Not available
158103 .65
WX-422
Not available
211137 .65
WX-423
Not available
264172 .65
WX-424
Not available
317206 .65
WX-426
Not available
422274 .65
WX-427
Not available
528343 .65
WX-447 WX-447-C 53 34 .65
WX-448 WX-448-C 80 52 .65
WX-449 WX-449-C 1066
9.
65
WX-450 WX-450-C 1328
6.
65
WX-451 WX-451-C 158102 .65
WX-452 WX-452-C 211136 .65
WX-453 WX-453-C 264170 .65
WX-454 WX-454-C 317205 .65
WX-455 WX-455-C 370239 .65
WX-456 WX-456-C 422273 .65
WX-457 WX-457-C 528341 .65
Based on 30 PSIG
p
re-char
g
e
(
P
1
)
1400 Division Road, West Warwick, RI 02893 T: 401.884.6300 F: 401.885.2567 www.amtrol.com
SIZING INSTRUCTIONS
WELL-X-TROL
®
POTABLE WATER WELL TANK
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