First Start-Up - Madas SMO Manual De Instrucciones

EXAMPLE 2 (naphta plant)
1. Bottom valve or non return valve
2. MN28 interception solenoid valve
3. SM jerk handle valve
4. Expansion joint/anti-vibration mount
Tank
4.0 - MANUEL RESET (valve opening)
To reset the valve:
• Pull the reset handgrip (1), turn the reset hand-grip (1) from position "B" to position "A" and wait a few instants in order to
get the pressure balance between upstream and downstream of the valve.
• Subsequently bring the reset handle (1) in position "A" (vertical position).

5.0 - FIRST START-UP

• Before start-up make sure that all of the instructions on the rating plate, including the direction of flow, are
observed;
• After having gradually pressurised the system, check tightness and operation of the valve.
5.1 - RECOMMENDED PERIODIC CHECKS
• Use a suitable calibration tool to ensure the bolts are tightened as indicated in 3.2;
• Check tightness of the flanged/threaded connections on the system;
• Check the tightness and operation of the valve and any remote control;
It is the responsibility of the final user or installer to define the frequency of these checks based on the severity of the service
conditions.
.0 - MAINTENANCE
6
No maintenance operations need to be carried out inside the device.
If an internal inspection is required, it is advisable to:
• Also check the integrity of the obturator (7) and, if necessary, replace the rubber seal (8);
• Replace the gaskets before reassembling.
• In any case, before carrying out any dismantling operation on the device, make sure that there is no pressurised
gas or fluid inside.
On completion of the operations described below, repeat the procedure indicated in paragraph 5.
Madas Technical Manual - 7|7.5 - REV. 0 of 8
Setting 8÷10 bar
Feb 2019
th
5. Exaust valve
6. SM jerk handle valve remote lever
7. Valve control
11
User
SMO - SM