Algas SDI Direct Fired F6-ASME, Operation & Maintenance Manual

Page: 12 / 52

Algas-SDI Operation and Maintenance Manual – P/N – 54000 1
Introduction
1
Description/Overview
Congratulations on your purchase of an Algas-SDI Direct Fired vaporizer. Algas-
SDI is an ISO 9001 registered company and your new vaporizer was
manufactured under strict accordance with ASME, UL and PED requirements
and carries the associated marks and the ASME "U" stamp.
A Direct Fired vaporizer, as the name implies, is one in which heat is furnished
by an open flame directly applied to the heat exchange surface, which in turn
contacts the LP Gas liquid that is to be vaporized. The Algas-SDI Direct Fired
vaporizers consist of seven (7) main components:
 Liquid inlet valve & float assembly
 Liquid reservoir or heat exchanger
 Thermostat supply regulator
 Thermostat
 Burners
 Capacity control valve

Relief valve
Figure 1 – Direct Fired Vaporizer System - Basic Features
Vapor
Liquid
Liquid
Inlet
Valve
Vessel
Pressure
Liquid
Burner
Pilot Assembly
Float Ball
Burner
Regulator
Excess Flow
Valve
Relief Valve
Vapor
Distribution
Line
Regulator
Heat Load
Thermostat