York YHAU-CW - FIGURE 56 - Steam and Drain System for Steam Drain Control Valve; TABLE 31 - Steam Drain Quality Control

JOHNSON CONTROLS
148
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 7 – MAINTENANCE
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FIGURE 56 - STEAM AND DRAIN SYSTEM FOR STEAM DRAIN CONTROL VALVE
TABLE 31 - STEAM DRAIN QUALITY CONTROL
COMPONENT STANDARD VALUE
PH 7.5 ~ 8.5
Cl
-
(ppm) ≤ 20
SO
4
2-
(ppm) ≤ 10
H
2
S (ppm) nil
DO (ppm) ≤ 0.5
All carbonate (ppm) ≤ 20