厚度I（mm)

溫差
ΔT
（℃）

公稱直徑 DN（mm）

8

15

20

25

32

40

50

65

80

100

150

200

250

300

350

400

20

20

4.0

4.6

5.3

6.2

7.3

8.0

9.5

11.1

13.0

16.0

22.5

28.5

34.9

40.9

44.7

50.7

30

6.2

7.0

8.1

9.4

11.1

12.2

14.5

16.8

19.8

24.4

34.2

43.4

53.2

62.3

68.0

77.1

40

8.3

9.5

10.9

12.7

15.0

16.5

19.6

22.8

26.7

33.0

46.3

58.7

71.9

84.2

92.0

104.3

60

12.8

14.7

16.9

19.6

23.1

25.5

30.2

35.1

41.2

50.9

71.4

90.5

110.8

129.9

141.8

160.8

30

30

5.0

5.6

6.3

7.3

8.4

9.2

10.8

12.4

14.4

17.6

24.3

30.5

37.1

43.3

47.2

53.4

40

6.7

7.6

8.6

9.8

11.4

12.5

14.6

16.8

19.5

23.8

32.8

41.3

50.0

58.6

63.8

72.2

60

10.2

11.7

13.2

15.1

17.6

19.2

22.5

25.9

30.0

36.0

50.6

63.6

77.4

90.4

98.4

111.4

80

14.2

16.0

18.2

20.8

24.1

26.4

30.9

35.5

41.2

50.3

69.4

87.3

106.3

124.0

135.1

152.9

100

18.3

20.7

23.4

26.8

31.1

34.1

39.8

45.8

53.2

65.0

89.7

112.8

137.2

160.2

174.5

197.4

120

22.7

25.6

29.0

33.2

38.6

42.2

49.3

56.7

65.9

80.4

111.0

139.6

169.9

198.3

216.1

244.4

140

27.2

30.8

34.9

40.0

46.4

50.8

59.4

68.3

79.3

96.8

133.5

168.0

204.4

238.6

259.9

294.0

40

30

4.3

4.8

5.4

6.1

7.0

7.7

8.9

10.1

11.6

14.1

19.1

23.9

28.9

33.6

36.6

41.3

40

5.8

6.5

7.3

8.3

9.5

10.4

12.0

13.7

15.7

19.0

25.9

32.3

39.1

45.5

49.4

55.8

60

9.0

10.1

11.3

12.8

14.7

16.0

18.5

21.1

24.3

29.3

39.9

49.8

60.3

70.1

76.2

86.0

80

12.3

13.8

15.5

17.6

20.0

21.9

25.4

28.9

33.3

40.2

54.8

68.4

82.7

96.2

104.6

118.1

100

15.9

17.8

20.0

22.7

26.0

28.3

32.8

37.3

43.0

52.0

70.8

88.3

106.8

124.2

135.1

152.4

120

19.7

22.1

24.8

28.1

32.2

35.1

40.6

46.2

53.3

64.4

87.6

109.3

132.3

153.9

167.3

188.8

140

23.7

26.5

29.8

33.8

38.8

42.2

48.8

55.6

64.1

77.4

105.4

131.5

159.1

185.1

201.2

227.1

160

27.9

31.2

35.1

39.8

45.6

49.7

57.4

65.5

75.4

91.1

124.1

154.8

187.3

217.9

236.9

267.3

180

32.3

36.2

40.6

46.0

52.9

57.5

66.5

75.8

87.3

105.5

143.7

179.3

216.9

252.2

274.3

309.5

50

40

5.3

5.9

6.5

7.3

8.4

9.1

10.4

11.8

13.4

16.1

21.7

26.9

32.3

37.5

40.7

45.8

60

8.1

9.0

10.1

11.3

12.9

14.0

16.0

18.1

20.7

24.8

33.4

41.4

49.9

57.8

62.7

70.6

80

11.2

12.4

13.8

15.5

17.7

19.1

22.0

24.9

28.5

34.1

45.9

56.8

68.4

79.3

86.1

96.9

100

14.4

16.0

17.8

20.1

22.8

24.7

28.4

32.1

36.7

44.0

59.2

73.4

88.3

102.4

111.1

125.1

120

17.8

19.8

22.1

24.8

28.3

30.6

35.1

39.8

45.5

54.5

73.3

90.9

109.4

126.8

137.6

154.9

140

21.5

23.8

26.6

29.9

34.0

36.8

42.3

47.9

54.7

65.6

88.2

109.3

131.6

152.5

165.5

186.4

160

25.3

28.1

31.3

35.2

40.1

43.4

49.8

56.3

64.4

77.2

103.9

128.7

154.9

179.5

194.9

219.4

180

29.2

32.5

36.2

40.7

46.4

50.2

57.6

65.2

74.6

89.4

120.3

149.0

179.4

207.9

225.6

254.0

80

40

4.4

4.8

5.2

5.8

6.5

7.0

7.9

8.8

9.9

11.6

15.2

18.5

22.0

25.3

27.3

30.6

60

6.7

7.4

8.1

9.0

10.0

10.8

12.1

13.5

15.3

17.9

23.5

28.6

34.0

39.0

42.1

47.1

80

9.2

10.1

11.1

12.3

13.8

14.8

16.6

18.6

20.9

24.6

32.2

39.2

46.6

53.5

57.8

64.7

100

11.9

13.0

14.3

15.9

17.8

19.1

21.5

24.0

24.0

31.8

41.6

50.6

60.2

69.1

74.6

83.5

120

14.7

16.1

17.8

19.7

22.0

23.6

26.6

29.7

33.5

39.3

51.5

62.7

74.5

85.5

92.4

103.4

140

17.7

19.4

21.4

23.6

26.5

28.4

32.0

35.7

40.3

47.3

61.9

75.4

89.6

102.9

111.12

124.4

160

20.9

22.9

25.1

27.8

31.2

33.4

37.7

42.1

47.4

55.7

72.9

88.8

105.5

121.1

130.9

146.4

180

24.1

26.5

29.1

32.2

36.1

38.7

43.7

48.7

54.9

64.5

84.4

102.8

122.2

140.3

151.5

169.5