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公稱通徑 DN

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L1

D

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d2

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DN20X15

25

21

27

20

25

16

DN25X15

27

22

35

20

32

16

DN25X20

27

22

35

25

32

19

DN32X15

32

26

43

20

40

16

DN32X20

32

26

43

25

40

19

DN32X25

32

26

43

32

40

22

DN40X15

39

31

58

20

50

16

DN40X20

39

31

58

25

50

19

DN40X25

39

31

58

32

50

22

DN40X32

39

31

58

40

50

26

DN50X20

47

38

67

25

63

19

DN50X25

47

38

67

32

63

22

DN50X32

47

38

67

40

63

26

DN50X40

47

38

67

50

63

31

DN65X25

53

44

79

32

75

22

DN65X32

53

44

79

40

75

26

DN65X40

53

44

79

50

75

31

DN65X50

53

44

79

63

75

38

DN80X40

61

51

94

50

90

31

DN80X50

61

51

94

63

90

38

DN80X65

61

51

94

75

90

41

DN 100X65

72

60

114

75

110

44

DN 100X80

72

60

114

90

110

51

DN125X100

88

76

114

110

140

61

DN150X100

100

86

160

110

160

61

DN150X125

100

86

160

140

160

61

DN200X150

135

119

225

160

225

86

DN250X200

147

130

305

225

280

118

DN300X250

180

160

340

280

315

130

DN350X300

200

184

380

315

355

165

DN400X350

250

230

420

355

400

184

DN450X400

250

231

470

400

450

230

DN500X450

280

256

530

450

500

231

DN600X500

350

321

660

500

630

256