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WM-Series
- The
long-lasting pressure tanks that are the value-added
choice for you and your customers
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The WM-Series
offers features and benefits steel tanks just can’t
match. They are guaranteed to perform better and last
longer. WM-Series tanks are the ideal choice for new and
replacement residential installations and pressure
boosting applications.
- Residential
- Light commercial
- Pressure boosting
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| WellMate
Advantages |
| Corrosion-proof
composite construction From
the high density polyethylene inner liner to the
fiberglass-wound and epoxy resin-sealed outer
shell, Low-Profile tanks contain no steel. So
they can’t rust. |
Little
or no maintenance Because
they contain no steel, there is no paint to
scratch or touch up. |
Longer
life, greater flexibility Our
unique air cell offers longer life than the
bladders or diaphragms in steel tanks. And
Low-Profile tanks can be installed with a wider
range of pressure settings, so you can select
the system pressure you want. |
Light
weight WellMate
tanks are quicker, easier and less costly to
install than steel tanks. |
NSF
and/or FDA listed material The
complete assembly meets stringent US
requirements for water components. WellMate
tanks are environmentally safe, 100% lead-free.
They will not introduce undesirable chemicals or
elements into your customers’ water.
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Replaceable
air cell Easy
to service in the field. |
Factory-backed
warranty WellMate
backs its pressure tanks with a complete
warranty, giving your customers the confidence
and peace of mind that can turn them into
buyers. |
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WM-Series
Performance Data
| Model
Number |
Capacity
gal/liter |
Max.
Operating Pressure
psi / kPa / bar |
Drawdown
30/50 Setting**
gal/liter |
Diameter*
inch / cm |
Overall
Height*
inch / cm |
Height*
inlet/outlet to floor
inch /cm |
System
Connection |
Assembly
Weight*
lb / kg |
| WM-4 |
14.5
/ 55 |
100
/ 700 / 7.0 |
4.4
/ 16.5 |
16
/ 41 |
26
/ 66 |
1¾
/ 4.4 |
1"
male NPT |
14.5
/ 6.6 |
| WM-6 |
19.8
/ 75 |
100
/ 700 / 7.0 |
5.9
/ 22.5 |
16
/ 41 |
32
/ 81 |
1¾
/ 4.4 |
1"
male NPT |
17.75
/ 8.1 |
| WM-9 |
29.5
/ 112 |
100
/ 700 / 7.0 |
8.9
/ 33.5 |
16
/ 41 |
44
/ 112 |
1¾
/ 4.4 |
1"
male NPT |
24.75
/ 11.2 |
| WM-12 |
40.3
/ 153 |
100
/ 700 / 7.0 |
12.1
/ 45.8 |
16
/ 41 |
57
/ 145 |
1¾
/ 4.4 |
1"
male NPT |
30
/ 13.6 |
| WM-14WB |
47.1
/ 178 |
125
/ 862 / 8.6 |
14.1
/ 53.5 |
21
/ 53 |
41¼
/ 105 |
2¼
/ 5.7 |
1¼"
male NPT |
43
/ 19.5 |
| WM-20WB |
60.0
/ 227 |
125
/862 / 8.6 |
18.0
/ 68.1 |
24
/ 61 |
41½
/ 105 |
2¼
/ 5.7 |
1¼"
male NPT |
50
/ 22.7 |
| WM-25WB |
86.7
/ 328 |
125
/ 862 / 8.6 |
26.0
/ 98.5 |
24
/ 61 |
55¼
/ 140 |
2¼
/ 5.7 |
1¼"
male NPT |
72.75
/ 33.0 |
| WM-35WB |
119.7
/ 453 |
125
/ 862 / 8.6 |
35.9
/ 135.9 |
24
/ 61 |
74¼
/ 189 |
2¼
/ 5.7 |
1¼"
male NPT |
95
/ 43.1 |
Note: Maximum external
operating temperature 120°F (50°C). Maximum internal
operating temperature 100°F (38°C). Minimum operating
temperature 40°F (4°C).
*Diameter, height and weight may vary slightly without
notice.
** In keeping with current industry standards, drawdown
factors are based on Boyle’s law. Actual drawdowns
will vary depending upon system variables, including the
accuracy and operation of the pressure switch and gauge
and operating temperature of the system.
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