Install Instructions
INSTRUCTION MANUAL
HS-222
REVISION F
Hoffman Specialty
®
Float and Thermostatic Traps
Series H, C and X
• Before using product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of steam systems in accordance with all applicable codes
and ordinances.
• To prevent serious burns, wear heat resistant gloves when opening and closing steam
valves, or handling hot equipment.
• To prevent serious burns, the internal pressure of the trap must be 0 psi (0 bar) before
servicing.
• To prevent serious personal injury from steam pipe blow down, connect a temporary
pipe between the steam pipe opening and a drain, or stand at least 100 ft. (30 m) from
the front of the pipe opening.
• To prevent property damage, personal injury, or death, cap off the gate valves if they are
not connected to a drain and when they are not in use for test or pressure relief.
Failure to follow this warning could cause property damage, personal injury or death.
!
WARNING
CAUTION
WARNING
®
Series C
1
1
⁄4 & 1
1
⁄2 NPT
Series C
2 NPT
Series X
2 NPT
Series C
2
1
⁄2 NPT
Series H
Ratings
Maximum Max. Operating
NPT Size - in. Temperature Pressure
°F (°C) psig (bar)
3
⁄4
”, 1” and
1
1
⁄4
” H
406 (208)
175 (12.1)
1
1
⁄4
” C and All
1
1
⁄2
” -
2
1
⁄2
”
377 (192)