3
1
.0 INTRODUCTION
This manual aims to provide essential information for the installation, commissioning
and maintenance of the PVS 782 model safety valves.
Moreover, we consider it necessary to herewith provide a brief illustration of the
valves main specifications
In FIGURE 1 the valve functional diagram is illustrated.
1.1 MAIN SPECIFICATIONS
The PVS 782 valves are safety accessories fit for the use on preliminary treated non
aggressive gaseous fluids.
Such valves may be installed both on pipelines and on pressure vessels.
The main specifications of these valves are:
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Top-entry body fit for the flanged coupling;
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Soft insert on the seat for a better tightness
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