Emerson Fisher F Series Instruction Manual

Instruction Manual
MCK-1060
May 2009
F Series Excess Flow Valves for LP-Gas and NH
TYPE F110
TYPE F110A
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 equipment must be installed,
®
operated, and maintained in accordance
with federal, state, and local codes and
Fisher instructions. The installation in
most states must also comply with NFPA
No. 58 or ANSI K61.1 standards.
Only personnel trained in the proper
procedures, codes, standards, and
regulations of the LP-Gas or NH
industries should install and service
this equipment.
WARNING
!
A break or leak down stream of an
excess flow valve that does not allow a
flow equal to the valve flow rating will
not actuate the excess flow valve and
could result in a fire or explosion from
TYPE F100
TYPE F130
TYPE F138
Figure 1. F Series Excess Flow Valves
3
www.emersonprocess.com/regulators/lp
TYPE F134
leaking gas. After the excess flow
valve closes, the leakage through the
equalizing hole must be controlled or a
hazard can be created. For this reason
the operator must be familiar with the
system shutoff valves and close the
system if an emergency occurs.
Reference NPGA-113–"The Limitations of
Excess Flow Check Valves for LP-Gas."
Introduction
Scope of the Manual
This instruction manual covers installation and
maintenance for Fisher
®
used on LP-Gas and anhydrous ammonia.
DOT Passive Shutdown
Equipment Requirement
DOT regulations 49 CFR§173.315(n)(2) require certain
cargo tanks transporting propane, anhydrous ammonia
and other liquified compressed gases to be equipped
with passive emergency discharge control equipment
that will automatically shutoff the flow of product
without human intervention within 20 seconds of an
F Series
3
TYPE F190
F Series excess flow valves