SECTION 11
SPECIFICATIONS
p. 11-7
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To predict the tendency of scale formation, the Langelier's saturation index can
be used as a guide.
Saturation Index = pH-pHs where pHs is calculated at saturation with calcium
carbonate.
A positive index indicates a tendency to deposit calcium carbonate, the higher the
positive value, the higher the scale formation. A zero index corresponds to water
that is in equilibrium with respect to calcium carbonate.
11.5 Orifice Support Capacity
The SL-IV Waterjet Pump supplies high pressure (HP) water up to 3,800 bar
(55,000 psi). The following table shows size, ratings, and maximum quantity of
orifices that can be supported.
Qty of Orifice by size [1]
Rated
power
kW(hp)
Pressure
Bar (Psi)
Flow
lpm
(gpm)
14 13 11 10 9 7 5
22 (30)
3,800
(55,000)
2.4
(0.63)
- - 1 - - 2 4
22 (30)
4,100
(60,000)
2.2
(0.58)
- - - 1 - 2 4
37 (50)
3,800
(55,000)
3.8
(1.0)
1 - - 2 - 4 7
37 (50)
4,100
(60,000)
3.4
(0.9)
- 1 1 1 2 3 6
Note [1]: Orifice sizes: See below
Nom. Orif Size 5 7 9 10 11 13 14
in. .005 .007 .009 .010 .011 .013 .014
mm .12 .17 .22 .25 .28 .33 .35
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