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Filtri spirale a luce continua in acciaio al carbonio grezzo, zincato caldo, acciaio inox aisi 304/316

I tubi a saldatura longitudinale in acciaio costituiscono una variante a quelli tradizionali e ben si adattano per essere utilizzati per pozzi d’acqua, per dispersori e per drenaggi in determinate condizioni ambientali e di lavoro, o in seguito a specifiche valutazioni tecniche.

Le crescenti problematiche che intervengono nella infissione di pozzi per acqua – legate in particolare alle varie tipologie di terreni da filtrare – ci hanno portato a studiare e realizzare una gamma completa di filtri in acciaio al carbonio e acciaio inox fabbricati col sistema della saldatura continua in elicoidale, indispensabile per ottenere determinati fattori di pregio quali:

  • Massima rotondità.
  • Uniformità di spessore.
  • Diametri di qualsiasi misura intermedia.
  • Nessun limite di lunghezza degli elementi prodotti.
  • Alta resistenza meccanica allo schiacciamento.

Diametri standard prodotti: dal 114 mm al 1060 mm. Spessori disponibili: 3 – 4 – 5 – 6 – 7 – 8 mm.

I materiali impiegati sono di prima qualità; accuratissima la scelta delle lamiere coils, decappate e cesoiate a regola d’arte, senza sbavature. Finita la lavorazione, i tubi vengono
controllati ad uno ad uno. Inoltre ogni tubo può essere opportunamente smussato per facilitare
la saldatura testa con testa. I sistemi di giunzione possibili sono illustrati in figura.

A richiesta possiamo fornire altri filtri di dimensioni, generatrici e filo diverse.

Diametro esternoDiametro internoGeneratriciResistenza trazione tonFiloLuce 0,25 mmPLuce 0,5 mmLuce 0,75 mmPLuce 1 mmLuce 1,5 mmPLuce 2 mmLuce 3 mmP
DNMmN°mmmmmmmm%I/sec.BarsKg/m%I/sec.Bars%I/sec.BarsKg/m%I/sec.Bars%I/sec.BarsKg/m%I/sec.Bars%I/sec.BarsKg/m
62491345,62,23,210,20,6302,04,718,51,1274,025,41,5251,04,131,31,8231,040,52,4200,03,647,62,8176,057,73,4142,03,0
73601546,52,23,210,20,7185,05,518,51,3168,025,41,7154,04,831,32,2142,040,52,8122,04,247,63,3108,057,74,087,03,5
78651646,92,23,210,20,7152,05,918,51,4138,025,41,9126,05,231,32,3116,040,53,0100,04,547,63,588,057,74,271,03,8
90771847,82,23,210,20,999,06,818,51,690,025,42,282,06,031,32,776,040,53,465,05,247,64,058,457,74,946,04,3
102892048,62,23,210,21,068,07,618,51,861,025,42,456,06,731,33,05,240,53,945,05,847,64,640,057,75,532,04,8
1151022149,12,23,210,21,147,08,418,52,043,025,42,839,07,431,33,43640,54,431,06,447,65,228,057,76,322,05,3
1281152349,92,23,210,21,231,09,418,52,231,025,43,128,08,331,33,82640,54,923,07,247,65,720,057,77,016,05,9
14012725410,82,23,210,21,326,010,218,52,424,025,43,322,09,031,34,12040,55,317,07,847,66,315,057,77,612,04,4
15314027411,72,23,210,21,520,011,418,52,718,025,43,717,010,031,34,51540,55,813,08,747,66,912,057,78,39,07,2
16515229412,52,23,210,21,616,012,218,52,914,025,43,913,010,831,34,91240,56,311,09,347,67,49,057,79,07,07,7
17616331413,42,23,210,21,713,013,018,53,112,025,44,211,011,531,35,21040,56,79,010,047,67,98,057,79,66,08,2
18216933414,22,23,210,21,712,013,618,53,211,025,44,410,012,031,35,4940,56,98,010,447,68,27,057,79,96,08,6
19217934414,72,23,210,21,810,014,318,53,39,025,44,68,012,631,35,7840,57,37,010,947,68,66,057,710,45,09,0
20819537416,02,23,210,22,08,015,518,53,67,025,45,07,013,631,36,1640,57,95,011,847,69,35,057,711,34,09,7
21420139416,82,23,210,22,17,016,018,53,77,025,45,16,014,131,36,3640,58,25,012,247,69,64,057,711,63,010,0
22721240417,33,04,27,71,614,021,214,33,113,020,04,312,019,025,05,312,033,37,110,016,740,08,69,050,010,78,013,7
23622142418,13,04,27,71,713,022,114,33,212,020,04,411,019,925,05,610,033,37,49,017,440,08,98,050,011,17,014,4
24322845419,43,04,27,71,812,022,914,33,311,020,04,610,020,625,05,79,033,37,68,018,140,09,28,050,011,46,015,0
24723246419,93,04,27,71,811,023,314,33,310,020,04,710,021,025,05,89,033,37,78,018,440,09,37,050,011,66,015,2
26124646419,93,04,27,71,99,024,514,33,59,020,04,98,022,025,06,18,033,38,27,019,240,09,86,050,012,35,015,9
26725250421,63,04,27,71,99,025,314,33,68,020,05,08,022,725,06,37,033,38,46,020,040,010,16,050,012,65,016,5
29027554423,33,04,27,72,17,027,714,33,96,020,05,56,025,025,06,86,033,39,15,022,040,010,94,050,013,74,018,2
29828156424,24,05,25,91,712,034,811,13,112,015,84,411,031,820,05,610,027,37,79,028,533,39,39,042,912,07,022,4
30428755423,74,05,25,91,711,035,311,13,211,015,84,510,032,320,05,710,027,37,89,029,033,39,58,042,912,37,024,3
32330660425,94,05,25,91,810,037,611,13,49,015,84,89,034,520,06,18,027,38,37,030,833,310,17,042,913,16,025,8
34232564427,64,05,25,91,98,040,011,13,68,015,85,17,036,620,06,47,027,38,86,032,733,310,76,042,913,85,027,5
35033368429,44,05,25,91,98,041,011,13,77,015,85,27,037,720,06,66,027,39,06,033,733,311,05,042,914,15,028,3
35734068429,44,05,25,92,07,042,011,13,77,015,85,36,036,520,06,76,027,39,25,034,433,311,25,042,914,44,028,9
37735772431,14,26,55,62,012,050,010,63,811,015,25,411,046,019,26,810,026,39,39,041,232,311,58,041,714,87,034,5
40638684436,34,26,55,62,19,054,610,64,19,015,25,88,050,219,27,38,026,310,17,045,032,312,47,041,715,96,037,8
42840888438,04,26,55,62,38,057,610,64,38,015,26,17,053,019,27,77,026,310,66,047,432,313,06,041,716,85,039,8
45543594440,64,26,55,62,47,061,310,64,56,015,26,56,056,319,28,26,026,311,35,050,432,313,85,041,717,94,042,4
48045998442,34,57,25,32,48,069,510,04,57,014,36,57,064,018,28,27,025,011,36,057,630,813,96,040,018,15,048,5
508487108446,64,57,25,32,57,074,010,04,86,014,36,86,068,318,28,76,025,012,05,061,430,814,75,040,019,14,051,8
531510111447,94,57,25,32,76,078,010,05,05,014,37,25,072,018,29,15,025,012,55,064,730,815,44,040,020,04,054,5
558537122452,74,57,25,32,85,082,510,05,35,014,37,54,076,118,29,64,025,013,14,068,630,816,24,040,021,03,058,0
582561126454,44,57,25,32,94,086,010,05,54,014,37,84,079,318,210,04,025,013,73,071,430,816,93,040,021,93,060,4
608587132457,04,57,25,33,04,089,810,05,74,014,38,23,082,918,210,43,025,014,33,074,730,817,63,040,022,92,063,2
629608138459,64,57,25,33,13,093,510,05,93,014,38,53,086,318,210,83,025,014,83,077,830,818,22,040,023,72,065,9
709688138459,64,57,25,33,52,8103,810,06,72,014,39,62,095,618,212,22,025,016,72,086,030,820,62,040,026,71,072,5
790769138459,64,57,25,33,92,8113,610,07,42,014,310,62,0104,518,213,51,025,018,61,093,830,822,91,040,029,81,078,5
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