Figure 164 - Steam Piping For Vifb - Pace PAI Installation And Assembly Manual

PACE │ Installation & Assembly Manual

Figure 164 - Steam Piping for VIFB

Issue Date: 07/03/2018
(STEAM PRESSURE BELOW 15 PSIG (103.4 KPa)
VACUUM BREAKER CHECK VALVE
STEAM MAIN
DRIP TRAP STEAM MAIN
T
STRAINER
AIR VENT TO ATMOSPHERE ON
OPEN GRAVITY RETURN SYSTEM
ONLY. MINIMUM 1 in (25.4mm) PIPE
T
CHECK
VALVE
COMBINATION FLOAT
RETURN MAIN
AND THERMOSTATIC
TRAP
NON-VENTING TRAPS
(STEAM PRESSURE BELOW 15 PSIG (103.4 KPa)
1/2 in (12.7 mm)
THERMOSTATIC
TRAP FOR AIR
REMOVAL
CONDENSATE
FLOW
NON-VENTING TRAP
(STEAM PRESSURE ABOVE 15 PSIG (103.4 KPa)
VACUUM BREAKER CHECK
VALVE 1/2 in (12.7 mm)- 15"
STEAM
STEAM MAIN
MAIN
DRIP TRAP
T
1/4 IN (6.4 MM)
CRACKED OPEN
STRAINER
FOR CONTINUOUS
AIR VENTING
T
CHECK
VALVE
INVERTED BUCKET TRAP
RETURN MAIN
SECTION 3 - HANDLING, STORAGE, AND INSTALLATION
1/2 in (12.7mm)-15"
VIFB
COIL
STRAINER
NON-VENTING TRAP
VIFB
12 in MIN.
COIL
PETCOCK
(304.8 mm)
STRAINER
100
AIR FLOW
8 in (203.2mm) MIN
8 in (203.2mm)
FLEXIBLE CONNECTOR
3/4 in (19.1mm)
AUTOMATIC
AIR VENT
CONDENSATE
FLOW
AIR FLOW
8 in (203.2mm) MIN
8 in (203.2mm)
FLEXIBLE CONNECTOR INSTALLED PARALLEL
TO COIL HEADER AND AS CLOSE AS POSSIBLE
TO COIL CONDENSATE CONNECTION.
Form PA102.20-N1
LD09634