Madas SMO Manual De Instrucciones página 10

• The arrow, shown on the body (6) of the device, needs to be pointing towards the application;
• Insert the relative washers inside the bolts in order to prevent damage to the flanges during tightening;
• When tightening, be careful not to "pinch" or damage the gasket;
• Tighten the nuts or bolts gradually, in a "cross" order (see the example below);
• Tighten them, first by 30%, then by 60%, and finally 100% of the maximum torque (see the table below according to EN 13611);
• Tighten each nut and bolt again clockwise at least once, until the maximum torque has been achieved uniformly;
• Common procedures (threaded and flanged devices):
• The device can also be installed vertically without prejudicing correct operation. It cannot be put in upside down
(with its reset handgrip in downward position);
• During installation, avoid debris or metal residues from getting into the device;
• To guarantee mechanical tension-free assembly, we recommend using compensating joints, which also
adjust to the pipe's thermal expansion;
• If the device is to be installed in a ramp, it is the installer's responsibility to provide suitable supports or correctly sized
supports, to properly hold and secure the assembly. Never, for any reason whatsoever, leave the weight of the ramp only on
the connections (threaded or flanged) of the individual devices;
• In any case, following installation, check the tightness of the plant;
3.3 - INSTALLATION IN PLACES WHERE THERE IS THE RISK OF EXPLOSION (DIRECTIVE 2014/34/EU)
The valve is not suitable for use in potentially explosive areas.
3.4 - GENERIC EXAMPLES OF AN INSTALLATION
EXAMPLE 1 (gas plant)
1. M16/RM N.C. Manual reset solenoid valve
2. SM jerk ON/OFF valve
3. FM gas filter
4. OPSO series MVB/1 MAX shut off valve
5. RG/2MC pressure regulator
6. MVS/1 relief valve
10
1
SMO - SM
Diameter DN 25
Max. torque (N.m) 30
9
8
2
DN 32 DN 40 DN 50 DN 65
50 50 50
7. Pressure gauge and relative button
8. Gas detector
9. SM remote jerk ON/OFF valve lever control
10. Expansion joint/anti-vibration mount
3
4
10
Madas Technical Manual - 7|7.5 - REV. 0 of 8
DN 80 DN 100 DN 125
50 50 80 160
discharge in open air
6
7
5
DN 150
160
Feb 2019
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