TSB132.05 Page 2
3. The rack structure must be capable of supporting the weight of the HYDRAcap
modules as follows:
Module
Shipping Weight
Weight Full of Water
HYDRAcap60
97 lbs (44 kg)
177 lbs (80 kg)
HYDRAcap60-LD
97 lbs (44 kg)
177 lbs (80 kg)
HYD
97 lbs (44 kg)
177 lbs (80 kg)
HYDRAcap40
63 lbs (28 kg)
116 lbs (53 kg)
HYDRAcap40-LD
63 lbs (28 kg)
116 lbs (53 kg)
4. A suggested rack design is shown in figure 2. Hydranautics suggests double
Victaulic flexible joints to connect all three ports of each module to the rack piping
for the following reasons:
A. The thermal expansion coefficient of PVC is 3.5 x10
-5
inch/inch
F. As a
result a HYDRAcap60 module can expand 4mm over a temperature range
of 70
F. A double Victaulic connection can accommodate this deviation.
B. The rack headers have a certain tolerance on the side port angles.
C.
A 3” spool piece with 2 Victaulic connections allows a port-to-port tolerance
of 7 mm and can handle alignment angle issues.
Figure 2: Double Victaulic flexibe joint
5. The modules should be supported at the center of the bottom end cap. At least
one strap and one saddle should be utilized to hold the modules to the support
structure.
6.
A 6” section of clear PVC is required in the filtrate exit line to identify modules that
have lost integrity.
