Table 2-8 Summary of Correction Factors For Glycol Solutions
Glycol Wt
15
20
30
40
(Percent) →
Temperature
30
180
30
180
30
180
Degrees C
30
180
(0)
(82)
(0)
(82)
(0)
(82)
(0)
(82)
(F)→
GPM
1.03
1.04
1.04
1.04
1.09
1.06
1.16
1.10
HEAD
1.19
1.02
1.25
1.02
1.42
1.05
1.66
1.14
BHP
1.25
1.04
1.34
1.05
1.63
1.11
2.04
1.27
2.9
STEAM PIPING AND DISTRIBUTION
2.9.1 STEAM GENERATION
See PG-18-10 for STEAM GENERATION SYSTEMS DESIGN MANUAL for Boiler Plants.
2.9.2 OUTDOOR STEAM DISTRIBUTION
For outdoor steam distribution, refer to "OUTSIDE STEAM DISTRIBUTION SYSTEMS
DESIGN MANUAL", PG-18-10.
2.9.3 INSIDE STEAM DISTRIBUTION
Steam and Condensate Piping in Buildings Other Than Boiler Plants shall be
shown on "MH" drawings:
2.9.3.1 Steam pressure classes for VA projects are as follow:
Table 2-9 Steam Pressure Classifications
Steam Type
Steam (Corresponding) Pressure
105 kPa (15 Psig) and below
Low pressure Steam (LPS)
Medium pressure Steam (MPS)
110 406 kPa (1659 psig)
High pressure Steam (HPS)
413 kPa (60 Psig) and above
2.9.3.2 Steam supplied to the equipment control valves shall be at pressure
listed below.
Table 2-10 Equipment Steam Pressure Requirements
Equipment
Pressure
Radiators, Convectors
34 kPa (5 PSIG)
34 kPa (5 PSIG)
206 kPa (30 PSI) maximum
Heating coils
(Lower pressures may be
Heat Exchangers
used if justified by
Unit Heaters
engineering or economic
Domestic Water Heaters
consideration).
Central Humidifiers
HVAC DESIGN MANUAL
2-21
HVAC SYSTEMS AND EQUIPMENT
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