PIETRO FIORENTINI FE25 User Manual

32
SERIES FE
EN
LOW-PRESSURE GAS REGULATOR | DESCRIPTION AND OPERATION | REV. 00
Use, maintenance and warning manual
Some typical versions are listed below, also by way of example:
NOTE!
The different versions of the equipment must be:
• contractually established;
• set up at PIETRO FIORENTINI S.p.A. plants only
Type Description
Version
with safety
diaphragm
In case of breakage of the working diaphragm, installing a safety diaphragm guarantees:
• service continuity;
• adjusted pressure control;
• the ability to identify the working diaphragm through controlled gas leakage into the
atmosphere (< 30 l/h gas).
Version
with thermal valve
The thermal valve, built into the inlet tting, ensures that the power supply to the regula-
tor is cut off when the ambient temperature reaches 160 °C.
NOTE!
The version with thermal valve requires that specic ttings are requested
from the sales ofces PIETRO FIORENTINI S.p.A..
Version
set up for
indoor installation
In the event of complete failure, this version guarantees that gas is dispersed into the
atmosphere at a lower than 30 l/h ow rate.
NOTE!
Indoor installation is subject to the regulations in force in the country of in-
stallation. Regulatory checks are the responsibility of the installer.
Underground version
Special surface guards combined with the use of specic components make this ver-
sion suitable for installation in underground wells.
ATTENTION!
The underground version of the regulator is not suitable for operation if com-
pletely covered by earth or other types of debris.
NOTE!
For specic installation and checks of the underground version after com-
missioning, see chapter 7.
Painted version
This version is suitable for:
• marine environments (against salt corrosion);
• highly humid atmospheres.
Low temperature version
This version guarantees correct operation with:
• Ambient temperature: up to -40 °C and/or
• gas temperature up to -20 °C.
NOTE!
The low temperature version of the regulator is identied through a specic
plate (see paragraph 2.8).

PIETRO FIORENTINI FE25 Specifications

General

Brand	PIETRO FIORENTINI
Model	FE25
Category	Controller
Language	English