Recommended water conditions – Fulton Ancillary Equipment SteamPac Unfired Steam Generators User Manual
Page 45

Fulton Thermal Corp.*SteamPac Unfired Steam Generators Manual* Version 2010-0201
Page 45
Section 4 – Maintenance
Warning
Prior to commencement of any work requiring the removal of cover plates at the
opening of the control panel box, the electrical supply to the SteamPac must be
disconnected. The unit should be off and cool before performing work on any
piping or components.
1. Recommended Water Conditions
a) Following are the recommendations for feedwater and boiler water. Contact your local
water treatment professional for testing and treatment recommendations. It is very
important that a strict water management program be maintained.
b) Feedwater
1.
Dissolved Oxygen
less than 0.005 ppm
2.
pH Value
9 to 11 (tested at room temperature)
3.
*Hardness
less than 50 ppm in the form of
CaCO
3
4.
Oil
None
5. Suspended
Solids
None
6.
Organic
Matter
None
7.
Chloride
less than 50 ppm
8.
Total Dissolved Solids
less than 300 ppm
9.
Iron
2
ppm
max.
c) Boiler
Water
1.
Phosphate
30 to 50 ppm in the form of PO
4
2.
Alkalinity
less than 300 ppm in the form of
CaCO
3
3.
Chloride
less than 50 ppm
4.
pH Value
9 to 11 (tested at room temperature)
5.
Total Dissolved Solids
400 – 2,000 ppm
6.
Iron
1
ppm
max.
7.
Silica
180 ppm max. in the form of
SiO
2
8.
Hardness
less than 50 ppm
9. Dissolved
Oxygen
None
10. Suspended Solids
15 ppm
11.
Oil
None
ppm = parts per million; CaCO
3
= Calcium Carbonate; PO
4
= Phosphate; SiO
2
= Silicon Dioxide
*1 Grain Hardness = 17.118 ppm; therefore: 70 ppm = 4.10 grains hardness