Page 59 of Propane and Natural Gas Equipment by National Energy Equipment, Inc.
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EXCESS FLOW VALVES
Intended to prevent large discharges of LPG vapor or liquid to the atmosphere due to a break in the hose
or piping system.
WARNING! A break or leak downstream of an excess flow valve that does not allow a flow equal to the valve flow rating will not actuate the valve
and could cause a hazardous condition. For this reason, system operators should be familiar with the shutoff valves in the system so that necessary
precautions can be taken in an emergency.
Care must be taken to be sure the valves closing rate is less than
the capacity of the LPG system in which the valve is installed!
Style B
Style A
Style C
Squibb Taylor Excess Flow Valves
NEE #
Application and
Style
Inlet
Connection
Outlet
Connection
Closing
Flow Rate
Closing Flow
Differential
Pressure *
A1702-50
Tanks
Style A
1 1/4 M NPT
3/4 F NPT
50 GPM
6 PSIG
A1705-50
1 1/4 F NPT
50 GPM
6 PSIG
A1710-95
2 M NPT
2 F NPT
95 GPM
6.5 PSIG
A1714-165
3 M NPT
165 GPM
6 PSIG
A1714-225
225 GPM
6 PSIG
A1703-50
Tanks or In-Line
Style B
1 1/4 M NPT
3/4 M NPT
50 GPM
6 PSIG
A1706-50
1 1/4 M NPT
50 GPM
6 PSIG
A1708-95
2 M NPT
95 GPM
14 PSIG
A1715-165
3 M NPT
2 M NPT
165 GPM
5 PSIG
A1715-225
225 GPM
7 PSIG
A1711-95
Tanks or In-Line
Style C
2 M NPT
2 M NPT and 1
1/4 F NPT
95 GPM
6.5 PSIG
A1713-165
2 M NPT
3 M NPT and 2
F NPT
165 GPM
6 PSIG
A1713-225
225 GPM
6 PSIG
* at 100 PSIG inlet discharging to atmosphere
Excess Flow Manifold Adapter
Allows the manifolding of ASME or DOT cylinders while providing
excess flow protection for the container vapor outlet valves.
NEE
Description
Closing Flow
US GPM
ME353EX9
M POL x 3/8 Male flare
0.9
ME353EX18
M POL x 3/8 Male flare
1.8
ME354EX9
M POL x 1/2 Male NPT
0.9
ME354EX18
M POL x 1/2 Male NPT
1.8
ME355EX9
M POL x 1/2 Male flare
0.9
ME355EX18
M POL x 1/2 Male flare
1.8
ME356EX9
M POL x 5/8 Male flare
0.9
ME356EX18
M POL x 5/8 Male flare
1.8
ME353EX
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