seal size
 (inches)

d₁

d₃

d₄

l₃

0.750

19,05

31.00

34.90

31.50

0.875

22.23

36.00

38.10

37.00

1.000

25.40

39.00

41.30

37.50

1.125

28.58

42.00

44.50

38.00

1.250

31.75

46.00

47.60

43.00

1.375

34.93

48.50

50.80

43.00

1.500

38.10

51,50

57.20

42.00

1.625

41.28

58.40

60.30

47.00

1.750

44.45

58.40

63.50

47.00

1.875

47.63

63.70

66.70

46.50

2.000

50.80

63.70

69.90

46.50

2.125

53.98

69.00

73.00

56.50

2.250

57.15

73.30

76.20

56.50

2.375

60.33

76.70

79.40

56.50

2.500

63.50

79.40

82.60

56.50

2.625

66.68

83.00

85.70

66.50

2.750

69.85

87.80

96.00

65.50

2.875

73.02

94.00

99.00

65.50

3.000

76.20

94.00

100.00

65.50

3.125

79.37

100.60

104.00

75.00

3.250

82.55

100.60

108.00

75.00

3.375

85.72

106.00

111.00

75.00

3.500

88.90

110.30

115.00

75.00

3.625

92.07

114.90

118.00

75.00

3.750

95.25

114.90

121.00

75.00

3.875

98.42

121.30

124.00

75.00

4.000

101.60

121.30

127.00

75.00

seal size 
(mm)

d₁

d₃

d₄

l₃

18

18

31.0

34

31.5

20

20

31.0

36

31.5

22

22

31.0

38

31.5

24

24

36.0

40

36.7

25

25

36.0

41

37.0

28

28

39.0

44

37.5

30

30

42.0

46

38.0

32

32

46.0

48

43.0

33

33

46.0

49

43.0

35

35

48.5

51

43.0

38

38

51.5

58

42.0

40

40

54.0

60

42.0

43

43

58.4

63

47.0

45

45

58.4

65

47.0

48

48

63.7

68

47.0

50

50

63.7

70

46.5

53

53

69.0

73

56.5

55

55

71.0

75

56.5

58

58

73.3

83

56.5

60

60

76.7

85

56.5

63

63

79.4

88

56.5

65

65

83.0

90

66.5

68

68

87.8

93

66.5

70

70

87.8

95

65.5

75

75

94.0

104

65.5

80

80

100.6

109

75.0

85

85

106.0

114

75.0

90

90

110.3

119

75.0

95

95

114.9

124

75.0

100

100

121.3

129

75.0