PIETRO FIORENTINI Dival 600, Руководство пользователя

Страница: 29 / 156

29
DIV
AL 600
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | DESCRIPTION AND OPERATION | REV. A
EN
4 - DESCRIPTION AND OPERATION
4.1 - GENERAL DESCRIPTION
The DIVAL 600 equipment is a direct acting pressure regulator for medium and low pressure which reduces the inlet gas
pressure, keeping the downstream value stable even when the following varies:
• inlet pressure value;
• the required flow rate within the operating conditions of the equipment.
The main elements of the equipment are (see Fig. 4.1.):
Pos. Description Pos. Description
1
Regulator body 7 Upper anti-pumping valve
2 Valve seat 8 Lever mechanism
3
Plug 9 Setting spring
4 Rod
10
Balancing block
5 Main diaphragm 11 Relief spring
6
Lower anti-pumping valve
Tab. 4.13
U
pstream pressUre
D
ownstream pressUre
Fig. 4.1. General description DIVAL 600