
!
9
MR95 Series
Failure to follow these instructions or 
to properly install and maintain this 
equipment could result in an explosion, 
re and/or chemical contamination 
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 Process 
Management Regulator Technologies, 
Inc. (Emerson) 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.
Installation, operation and maintenance 
procedures performed by unqualied 
personnel may result in improper 
adjustment and unsafe operation. Either 
condition may result in equipment 
damage or personal injury. Only a 
qualied person shall install or service 
the MR95 Series regulator.
Introduction
Scope of the Manual
Product Description
Pressure Reducing Regulators
.
Dierential Pressure Regulators
Principle of Operation
For Types MR95H, MR95L, 
MR95HP and MR95HT  
Pressure Reducing Regulators
For Types MR95LD, MR95HD and 
MR95HDP Dierential Pressure Regulators
WARNING