Bell & Gossett HS 619B Series 754 Self-Contained Pressure Reducing Regulator - Manual

INSTRUCTION MANUAL
HS-619
REVISION B
Hoffman Specialty ®
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.
If you are uncertain about the product’s adaptability for
your application, please call the factory or
authorized representative before using the product.
WAR NING
CAUT ION
! WARNING