Hoffman 754 Series Installation & Maintenance Instructions

INSTALLATION & MAINTENANCE
INSTRUCTIONS
HS-619
Series 754
Self-Contained Pressure
Reducing Regulator
For Steam Service
Maximum Body Pressure 250 Psig (17.3 bar)
Maximum Temperature 406°F (208°C)
• 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 regulator must be 0 psi (0 bar) before
servicing.
• Connect a pipe to the blow down valve in such a way as to prevent exposure and injury
from discharge.
• 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.
IMPORTANT: To prevent system damage from water
hammer or sudden shock, open supply valves slowly.
! WARNING
If you are uncertain about the product's adaptability for
your application, please call the factory or
authorized representative before using the product.