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Technical 30000 Series Use And Maintenance Manual

Pilot operated safety valve
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S.r.l.
Via Toscana, 9
20060 Vignate (MI) - Italy
Tel. +39-02-95.36.12.40
Fax +39-02-95.60.273
E-mail: sales@technical.it
www.technical.it
PILOT OPERATED
SAFETY VALVE
30000 SERIES
PROPORTIONAL
PISTON TYPE
USE AND
MAINTENANCE
MANUAL
FORM 124-EN. 05/16
1/12
We reserve the right to make changes to our products without prior notice.

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Summary of Contents for Technical 30000 Series

  • Page 1 Via Toscana, 9 20060 Vignate (MI) - Italy Tel. +39-02-95.36.12.40 Fax +39-02-95.60.273 E-mail: sales@technical.it www.technical.it PILOT OPERATED SAFETY VALVE 30000 SERIES PROPORTIONAL PISTON TYPE USE AND MAINTENANCE MANUAL FORM 124-EN. 05/16 1/12 We reserve the right to make changes to our products without prior notice.
  • Page 2 VALVES FOR GASES, VAPOURS AND LIQUIDS. Features  PED and EAC compliant;  limited overpressure;  10-20% blowdown;  spring adjustment as shown in the setting range of the pilot;  gases and vapours discharge coefficient k = 0.94;  liquids discharge coefficient k = 0.6;...

  • Page 3: Installation

    (discharge coefficient k = 0.94). They are designed and manufactured by Technical s.r.l. in accordance with the API 526 regulations on pilot operated valves; and are full nozzle, total lift, flat seat valves.
  • Page 4 FORM 124-EN. 05/16 4/12 We reserve the right to make changes to our products without prior notice.

  • Page 5: Backflow Preventer

    2.1.1 VALVE  loosen the fittings and remove the pipes (75);  unscrew the screws (62) and remove the pilot from the backflow body (65);  unscrew the screws (109) and remove the backflow preventer from the bonnet (46);  unscrew the screws (48) and remove the bonnet (46) from the valve body (37); ...
  • Page 6 TYPE "A"- PROPORTIONAL PILOT 4.51 - 18.7 bar FORM 124-EN. 05/16 6/12 We reserve the right to make changes to our products without prior notice.
  • Page 7 TYPE "B"- PROPORTIONAL PILOT 18.71 - 95 bar FORM 124-EN. 05/16 7/12 We reserve the right to make changes to our products without prior notice.
  • Page 8 2.1.4 PISTON PILOT TYPE "C"  remove the cap (28);  loosen the locknut (26);  rotate the adjustment screw (27) counter-clockwise to fully discharge the spring (23);  remove the bonnet (25) from the body (1);  separate the adjusting screw (27) and the locknut (26) from the bonnet (25); ...
  • Page 9 TYPE "C"- PROPORTIONAL PILOT 95.1 - 413 bar FORM 124-EN. 05/16 9/12 We reserve the right to make changes to our products without prior notice.

  • Page 10: Troubleshooting Table

    ORDINARY MAINTENANCE PLAN While in the system, inspect the tightness of the seat and Every valve opening of the disc every 6-months of operation. Check tightness towards the outside of the system for counter- pressure. Every 30 days. Check tightness towards the outside of the pilot, the pipes, the Every 6 months.
  • Page 11 ITEM DESCRIPTION ITEM DESCRIPTION PILOT BODY SPRING GUIDE GASKET FILTER SPINDLE SPRING SPRING BUSHING SPRING GUIDE BONNET GASKET LOCKNUT GASKET ADJUSTING SCREW GASKET SEAT LOWER BASE SEAT EJECTOR GASKET EXTENSION GASKET GASKET GASKET ELBOW SPACER ELBOW CONNECTION NOZZLE SHUTTER GASKET NOZZLE VALVE BODY PLUG...
  • Page 12 S.r.l. 20060 Vignate (MI) - Italy FORM 124-EN. 05/16 12/12 We reserve the right to make changes to our products without prior notice.