Summary of Contents for 3L.P. GAS ICN
- Page 1 SL SL SL SL SL AM-SHUT V AM-SHUT V AM-SHUT V AL AL AL AL AL VE VE VE VE VE AM-SHUT V AM-SHUT V TECHNICAL MANUAL MT065 INSTALLATION, COMMISSIONING AND MAINTENANCE INSTRUCTIONS...
- Page 2 MAINTENANCE using the lifting points provided on the apparatus itself. GENERAL Motorised means must only be used by the persons in ICN SLAM-SHUT VALVE MAINTENANCE PRO- charge of them. CEDURE INSTALLATION WEIGHT OF THE COMPONENTS If the installation of the apparatus requires the...
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Page 3: Main Features
The scope of this manual is to provide the essential information for the installation, commissioning and maintenance of ICN slam-shut valves. It is also appropriate to provide a brief illustration of the main features of the valves and of its accessories. - Page 4 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM TAB. 1 SETTING SPRINGS ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷ ÷...
- Page 5 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. INSTALLATION c) the inlet/outlet flanges of the piping are parallel; d) the inlet/outlet flanges of the valve are clean and GENERAL the valve itself has not been damaged during Before installing the valve, you must ensure that: transport;...
- Page 6 IMPULSE TAKE-OFFS exceeding 30 m/sec. The most common types of installation for the ICN The following is recommended so as to prevent the cut-off device are shown in figures 6 and 7.
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Page 7: Periodical Checking
TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. ACCESSORIES START UP “PUSH” THREE-WAYS SWITCH VALVE GENERAL (FIG. 8) After installation, check that the inlet/outlet on/off The “Push” is a special spring three-ways switch val- valves, any by-pass and the bleed cock are closed. -
Page 8: Checking The Setting
3L.P. GAS s.r.l. TECHNICAL MANUAL ICM GAS INPUT, CONTROL OF EXTERNAL TIGHTNESS AND SETTING External tightness is guaranteed if no bubbles form when a foam medium is applied on the element under pressure. The slam-shut valves are normally supplied already set for the desired setpoint. - Page 9 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. Fig. 9 B) On devices without the “push” valve (Fig. 10) we recommend connecting the control head separately to a controlled auxiliary pressure and repeating the operations described above. Fig. 10...
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Page 10: Troubleshooting
You must therefore train your maintenance personnel 3) very slowly open the slam-shut by turning the or avail of the service centres officially authorised by provided lever. TAB. 2 ICN SLAM-SHUT (Fig. 11-12) i n i t c i t a l N.B. - Page 11 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. MAINTENANCE GENERAL Before carrying out any operation it is important to ascertain that the valve has been cut off both upstream and downstream and that the pressure has been discharged in the sections of piping between the val- ve and the on/off valves.
- Page 12 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM ICN SLAM-SHUT VALVE MAINTENANCE PROCEDURE Fig. 11...
- Page 13 4) Check and clean the inside of the valve body. ment of the spare parts and reassembly of the 5) Carefully check that the valve seat, pos. 7, is in a ICN slam-shut valve (PROGRAMMED PREVENTI- good state. VE MAINTENANCE)
- Page 14 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM RE-ASSEMBLY Remembering that the O-rings and the sliding parts (rods, etc.) must be lightly lubricated with a fine layer of silicone grease before reassembly, while static parts require grease to render them softer but, especially, to hold them in their slots: 16) Fix the shaft guide, pos.
- Page 15 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. Tab. 3 MAINTENANCE WRENCHES FOR ICN SLAM SHUT VALVE " 1 " 1 ¼ " 1 ½ " 2 " 2 ½ " 3 " 4 " 6 " 8 Ø ÷...
- Page 16 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM WEIGHT OF THE COMPONENTS Tab. 4 WEIGHT OF THE COMPONENTS IN KG. " 1 ½ " 2 " 2 ½ " 3 " 4 " 6 " 8 " 1 ¼...
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Page 17: List Of Recommended Spares
TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. LIST OF RECOMMENDED SPARES ICN/... SLAM-SHUT VALVE... - Page 18 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM...
- Page 19 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. " 1 ÷ " 3 " 4 ÷ " 8 n i l n i l n i l n i l n i l n i l n i l n i l...
- Page 20 3L.P. GAS s.r.l. TECHNICAL MANUAL ICM WHEN ORDERING SPARE PARTS, PLEASE SPE- CIFY: Type of valve Dne (nominal inlet diameter) Type of head for slam-shut (I-N, I-N/TR) Works no. (Serial no.) Year of manufacture Type of fluid used The no. of the part (position no.)
- Page 21 TECHNICAL MANUAL ICM 3L.P. GAS s.r.l. DESIGN, SALE & INSTALLATION OF L.P.G. - NATURAL GAS SYSTEMS Via Bologna 14 - 43036 FIDENZA (PR) - ITALY Phone 0524 527766 Fax 0524 525456 http://www.3lpgas.com e-mail:3lpgas@polaris.it...
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