PIETRO FIORENTINI REVAL 182, Инструкция по эксплуатации и обслуживанию

Страница: 50 / 404

50
REV
AL 182
EN
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR | DESCRIPTION AND OPERATION | REV. 00
4.5.3.2 - SB/82 BUILT-IN SLAM-SHUT VALVE
The SB/82 built-in slam-shut valve can be operated:
• by the pressure switch;
• manually;
• with remote control.
The main features of the SB/82 built-in slam-shut valve are:
• tripping due to downstream pressure increase and/or decrease;
• design pressure: 100 bar for all accessory components;
• local shut-off button;
• manual reset only with internal bypass activated by the reset lever.
Pressure switch type Set Operating range (bar) AG
Mod. 101M - 101MH
max 0.02 - 1 5
max 0.5 - 1 2.5
Mod. 102M - 102MH max 0.2 - 5.5 5
Mod. 103M - 103MH
max 2 - 7 5
max 7 - 22 2.5
Tab. 4.24.
* For the calibration values of the minimum spring, please refer to chapter 13 'Calibration tables'
The SB/82 built-in slam-shut valve consists of (see Fig. 4.12):
Pos. Description
1 Plug
2 Control pressure switch
3 Reset system (manually operated through a lever)
Tab. 4.25.