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EXPANSION TANKS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
Congratulations on the purchase of your new Calefactio expansion tank. Please take the time
to read the instructions completely before you attempt to install this product. It is pertinent
that you verify that the tank you are attempting to install is properly sized to your system. To do
this, please refer to the product information and the sizing table provided in this booklet.
Volume
Item #
gal
L
HEATING TANKS (FIXED BLADDER)
HGT-15
2.1
8
HGT-30
4.8
18
HGT-60M
6
23
HGT-60
8
30
HGT-90
13
50
HEATING TANKS WITH BASE RING (REPLACEABLE BLADDER)
HGTV-30
13
50
HGTV-40
21
80
HGTV-60
26
100
HGTV-90
40
150
HGTV-110
57
250
HGTV-150
74
280
THERMAL TANKS (FIXED BLADDER)
HGTE-5
2.1
8
HGTE-8
3.2
12
HGTE-12
4.7
18
HGTE-25
8
30
THERMAL TANKS WITH BASE RING (REPLACEABLE BLADDER)
HGT EV-30
14
53
HGTEV-42
20
75.8
HGTEV-60
30
114
HGTEV-80
44
167
HGTEV-180
60
227
HGTEV-200
74
280
SOLAR TANKS (REPLACEABLE BLADDER)
HTS-15
2.9
11
HTS-30
6.6
25
HTS-60
11
42
This product is intended for use in cooling systems and hot water or solar heating systems, and
is compatible with glycol (consult the manufacturer for special applications). Their two shell
welded construction allows for the tank to withstand elevated nominal pressure, thus improving
the safety of your system. The butyl diaphragm separates the air from the water, which prevents
waterlogging while at the same time, saving space and energy.
Pre-
Connect.
Max
charge
MNPT
Temp.
PSI
½"
12
240 °F
½"
12
240 °F
½"
12
240 °F
½"
12
240 °F
1"
12
240 °F
1"
12
240 °F
1"
12
240 °F
1"
12
240 °F
1 ¼"
12
240 °F
1 ¼"
12
240 °F
1 ¼"
12
240 °F
¾"
50
200 °F
¾"
50
200 °F
¾"
50
200 °F
¾"
50
200 °F
¾"
50
200 °F
¾"
50
200 °F
1 ¼"
50
200 °F
1 ¼"
50
200 °F
1 ¼"
50
200 °F
1 ¼"
50
200 °F
½"
25
315 °F
½"
25
315 °F
½"
25
315 °F
Dimension
Max working
diameter x height
pressure
PSI
in
115
8 x 13
115
11 x 17
115
10,6 x 18,7
115
14 x 16
115
15 x 25.4
115
15 x 29
115
18 x 26.5
115
18 x 30
115
20 x 42
115
20 x 52
115
20 x 63
Connection: stainless steel elbow
150
8 x 13
150
11 x 13
150
11 x 17
150
14 x 16
Connection: stainless steel elbow
150
15 x 6.4
150
18 x 27.8
150
18 x 31.8
150
20 x 42
150
20 x 52.4
150
20 x 63.4
150
8 x 16.6
150
10.6 x 21
150
13.8 x 23.5
Weight
mm
lbs
kg
200 x 340
5
2
270 x 420
9
4
270 x 475 9,25 4,2
350 x 415
14
6
380 x 645
23
10
380 x 745
25
12
450 x 673
29
13
450 x 760
35
16
500 x 1060
49
22
500 x 1325
66
30
500 x 1605
86
39
200 x 348
5
2
270 x 320
9
4
270 x 420
11
5
350 x 415
14
6
380 x 670
26
12
450 x 750
31
14
450 x 808
37
17
500 x 1065
52
23
500 x 1330
92
42
500 x 1610 104
47
200 x 420
7
3.2
270 x 533
12
5.4
350 x 595
19
8.6
3
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