16
TM
Compact Pilot
BSL 85 and Compact Pilot Series
Regulator Pilots
• Ease of Maintenance
• Very Low Outlet Pressure
Capability
• High Accuracy
Features
Introduction
The BSL 85 pilot system is used in
natural gas transmission applications.
It is composed of a manometric
pre‑expansion box, a manometric
pre‑expansion pilot box, and two pilot
bodies. The BSL 85 pilot permits all types
of failure modes:
• The BMP pilots with one diaphragm are
“FO” (Fail-to-Open)
• The BMP pilots with two diaphragms
are “FC” (Fail-to-Close)
The BSL 85 series pilots can be installed in
the following equipment:
• EZH Series
• EZR Series
The Francel Compact Pilot is used in
natural gas distribution applications
and is composed of a manometric
pre‑expansion box, a manometric
pre‑expansion pilot box, and a pilot body.
The compact pilot can be installed in the
following equipment:
• FL-FR Series
• Cronos-FR Series
• EZH Series
• EZR Series
Available Configurations
Compact Pilot Series:
Pilots for Regulator or Monitor Control in
low pressure applications
BSL 85 Pilot Series:
Pilots for Regulator or Monitor Control in
high pressure applications
End Connection Style
1/4" NPT female threaded
Pressure Ratings
Maximum Inlet Pressure: 100 bar
Allowable Inlet Pressure: 85 bar
Outlet Pressure Range: 0.01 to 60 bar
Temperature Capabilities
Working: -20° to 60°C
For full details consult the documenta-
tion available on our website:
type ezh regulatorwith type bsl 85 pilot OPERATIONAL SCHEMATIC
bsl 85 pilot system
STABILIZED PRESSURE
INLET PRESSURE
OUTLET PRESSURE
LOADING PRESSURE
LEGEND
