CSB400 Series
D103123X012
Instruction Manual
Form 5836
March 2010
www.fisherregulators.com
CSB400 Series Commercial / Industrial
Pressure Reducing Regulators
!
WaRnIng
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher
®
regulators must be installed,
operated, and maintained in accordance
with federal, state, and local codes,
rules and regulations, and Emerson
Figure 1.
Typical CSB400 Pressure Reducing Regulators
Process Management Regulator
Technologies, Inc. (Regulator
Technologies) instructions.
If the regulator vents gas or a leak
develops in the system, service to
the unit may be required. Failure
to correct trouble could result in a
hazardous condition.
Call a gas service person to service
the unit. Only a qualified person must
install or service the regulator.
TYPICaL CSB400 REgULaTOR
TYPICaL CSB403 REgULaTOR WITH
InTEgRaL TRUE-MOnITOR™ REgULaTOR
TYPICaL CSB404 REgULaTOR WITH
InTEgRaL TYPE VSX4 SLaM-SHUT MODULE
Patents Pending