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We reserve to modify our production without previous communication
Via Toscana, 9
20060 Vignate (MI) - Italy
Tel. +39-2-95.36.12.40
Fax +39-2-95.60.273
E-mail: technical@technical.it
www.technical.it
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Related Manuals for Technical 3000 Series
Summary of Contents for Technical 3000 Series
- Page 1 S.r.l. Via Toscana, 9 20060 Vignate (MI) - Italy Tel. +39-2-95.36.12.40 Fax +39-2-95.60.273 E-mail: technical@technical.it www.technical.it FORM 119-ING. 04/11 We reserve to modify our production without previous communication...
- Page 2 SAFETY VALVE FOR GASES, VAPOURS AND LIQUIDS Characteristics Homologation ASME / PED: overpressure 10%; blowdown 5 - 10%; spring range ± 5% of set pressure ; gases and vapours discharge coefficient K = 0,94 PED K = 0,951 ASME ...
- Page 3 30000 SERIES SAFETY VALVES Safety valves 30000 Series, designed and manufactured by Technical s.r.l. in accordance with API 526, are full nozzle and total lift type. They posses a high discharge coefficient (k=0.94), certified by I.S.P.E.S.L. and (K=0.951) certified da ASME/NATIONAL BOARD on the basis of experimental tests performed by authorized laboratories; are suitable for gaseous and liquid fluids.
- Page 4 TABELLA 1 REGOLAZIONE ANELLO BLOWDOWN PRESSIONE NUMERO TACCHE DI ARRETRAMENTO DALLA POSIZIONE DI CONTATTO TARATURA ORIFIZIO F - G 0.5 - 7 1 - 2 1 - 2 2 - 3 2 - 3 2 - 3 2 - 5 3 - 6 3 - 6 3 - 9...
- Page 5 2.1 VALVE WITHOUT ACCESSORIES remove the valve from the plant; remove the cap (11) and unloosen the lock nut (16) and the adjusting screw (10); remove the screws (15), the bonnet (14) and remove all the internal parts. 2.2 VALVE WITH PACKED LEVER 2.2.1 - Type “A”...
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Page 6: Maintenance
3.3 VALVE WITH OPEN LEVER 3.3.1 - Type “B” For assembling carry out the same operations of point 2.3.1) but in reverse order, tightening first of all the nozzle (1) into the valve body (7). Before pushing the spring (13), make sure that the blowdown ring (5) is free and does not touch the disc holder (3). - Page 7 ORDINARY MAINTENANCE PLAN Every valve opening Check of seat and disc tightness on the plant every 6-month working. Check of outwards valve tightness in case of back pressure on the Every 30 days. plant. Check of the painting condition on the plant. Every 6 months.
- Page 8 MATERIAL TABLE SAFETY VALVE 30000 SERIES TEMPERATURE LIMITS °C - 29° ÷ 232° - 29° ÷ 232° - 101° ÷ 232° - 29° ÷ 538° - 196° ÷ 350° ITEM PARTS 16 (1) 1L (2) L3 (3) W0 (4) 50 (8) (9) 60 (5) (6) (7) AISI 316L AISI 316L...
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