Estojos e Prisioneiros

A- ESTOJOS/PRISIONEIROS PARA USO EM ALTA PRESSÃO E ALTA TEMPERATURA (ASTM-A-193)

B– ESTOJOS/PRISIONEIROS  PARA USO EM ALTA PRESSÃO E BAIXA TEMPERATURA (ASTM-A-320)

prisioneiro

p_457_423

TABELA: ESTOJOS E PRISIONEIROS

Diâmetro Nominal

Diâmetro Externo

Diâmetro Primitivo

Classe 2A

máx.

min.

máx.

min.

1/4" – 20 UNC

6,322

6,117

5,496

5,403

5/16" – 18 UNC

7,907

7,687

6,990

6,889

3/8" – 16 UNC

9,491

9,254

8,460

8,349

7/16" – 14 UNC

11,076

10,816

9,898

9,779

1/2" – 13 UNC

12,661

12,386

11,392

11,265

9/16" – 12 UNC

14,246

13,958

12,873

12,741

5/8" – 11 UNC

15,834

15,528

14,335

14,197

3/4" – 10 UNC

19,004

18,677

17,353

17,204

7/8" – 9 UNC

22,176

21,824

20,342

20,183

1" – 8 UNC

25,349

24,969

23,286

23,114

1.1/8" – 8 UN

28,521

28,141

26,459

26,284

1.1/4" – 8 UN

31,696

31,316

29,634

29,457

1.3/8" – 8 UN

34,869

34,489

32,806

32,624

1.1/2" – 8 UN

38,044

37,664

35,981

35,797

1.5/8" – 8 UN

41,219

40,839

39,156

38,969

1.3/4" – 8 UN

44,391

44,011

42,329

42,139

1.7/8" – 8 UN

47,566

47,186

45,504

45,309

2" – 8 UN

50,741

50,361

48,679

48,481

2.1/4" – 8 UN

57,089

56,709

55,026

54,824

2.1/2" – 8 UN

63,439

63,059

61,376

61,169

2.3/4" – 8 UN

69,786

69,406

67,724

67,514

3" – 8 UN

76,133

75,753

74,071

73,856

 

C- PORCAS SEXTAVADAS PARA USO EM ALTA PRESSÃO  E ALTA OU BAIXA TEMPERATURA (ASTM-A-194)

roscas2

parafusos2_2

TABELA: PORCAS

Diâmetro
F
G
H
H1
Nominal
máx.
min.
máx.
min.
máx.
min.
máx.
min.
1/4"
12,700
1,395
14,655
14,122
6,350
5,537
4,775
3,962
5/16"
14,274
13,868
16,510
15,798
7,975
7,112
5,588
4,724
3/8"
17,475
16,992
20,167
19,380
9,575
8,661
6,400
5,486
7/16"
19,050
18,491
21,996
21,082
11,201
10,236
7,239
6,273
1/2"
22,225
21,590
25,654
24,612
12,801
11,785
8,051
7,035
9/16"
23,825
23,088
27,508
26,339
14,427
13,360
8,864
7,797
5/8"
26,974
26,187
31,165
29,845
16,027
14,909
9,677
8,559
3/4"
31,750
30,784
36,652
35,102
19,253
18,034
11,328
10,109
7/8"
36,525
35,407
42,164
40,360
22,479
21,158
12,954
11,633
1"
41,275
40,005
47,650
45,618
25,704
24,282
14,605
13,182
1.1/8"
46,024
44,602
53,162
50,850
28,930
27,406
16,230
14,706
1.1/4"
50,800
49,225
58,648
56,108
31,775
30,149
19,075
17,449
1.3/8"
55,575
53,822
64,160
61,366
35,001
33,247
20,701
18,973
1.1/2"
60,325
58,420
69,646
66,598
38,227
36,398
22,352
20,523
1.5/8"
65,074
63,017
75,158
71,831
41,452
39,522
23,977
22,047
1.3/4"
69,850
67,614
80,645
77,089
44,678
42,646
25,628
23,596
1.7/8"
74,625
72,237
86,156
82,346
47,904
45,770
27,254
25,120
2"
79,375
76,835
91,643
87,604
51,130
48,895
28,905
26,670
2.1/4"
88,900
86,055
102,641
98,094
57,175
54,737
31,775
29,337
2.1/2"
98,425
95,250
113,639
108,585
63,627
60,985
38,227
35,585