PHB 2026 Vol-2

K-169

● 무게 kg (lbs)

LCV3

LCV4

구경

플랜지식

나사식

플랜지식

나사식 / 소켓용접식

kg

lbs

kg

lbs

kg

lbs

kg

lbs

DN15

½"

4.30

9.48 lb

3.10

6.83 lb

5.05

11.1 lb

3.65

8.05 lb

DN20

¾"

5.50

12.1 lb

4.10

9.04 lb

6.43

14.2 lb

5.33

11.8 lb

DN25

1"

5.82

12.8 lb

4.10

9.04 lb

6.58

14.5 lb

4.18

9.22 lb

DN32 1¼"

10.23

22.6 lb

7.20

15.9 lb

12.89

28.4 lb

9.59

21.1 lb

DN40 1½"

11.43

25.2 lb

8.00

17.6 lb

14.35

31.6 lb

9.55

21.1 lb

DN50

2"

14.96

33.0 lb

10.50

23.1 lb

16.86

37.2 lb

12.06

26.6 lb

DN65 2½"

27.04

59.6 lb

32.25

71.1 lb

DN80

3"

29.47

65.0 lb

36.02

79.4 lb

DN100

4"

48.93

108 lb

52.06

115 lb

LCV6

LCV7

구경

플랜지식

나사식 / 소켓용접식

플랜지식

나사식

kg

lbs

kg

lbs

kg

lbs

kg

lbs

DN15

½"

5.19

11.4

3.79

8.36

4.64

10.2

3.24

7.14

DN20

¾"

6.60

14.6

5.50

12.1

5.89

13.0

4.29

9.46

DN25

1"

6.77

14.9

4.37

9.63

6.04

13.3

3.74

8.25

DN32 1¼"

13.37

29.5

10.07

22.2

11.99

26.4

8.69

19.2

DN40 1½"

14.77

32.6

9.97

22.0

13.18

29.1

9.28

20.5

DN50

2"

17.51

38.6

12.71

28.0

15.65

34.5

10.65

23.5

DN65 2½"

33.13

73.0

29.53

65.1

DN80

3"

37.00

81.6

33.00

72.8

DN100

4"

53.47

118

48.82

108

● Kv 값

DN15 ½"

DN20 ¾"

DN25 1"

DN32 1¼"

DN40 1½"

DN50 2"

DN65 2½"

DN80 3"

DN100 4"

구경

Kv

5

8.3

11

18

34

42

87

113

135

Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156

● 개방압력 mbar (mpsi)

흐름이 없을 때 차압

DN15 - DN25 ½" - 1"

DN32 - DN50 1¼" - 2"

DN65 - DN100 2½" - 4"

유체의 흐름방향

22.5 (0.33 psi) 20 (0.37 psi)

24.5 (0.36 psi) 20 (0.37 psi)

25.5 (0.37 psi) 20 (0.37 psi)

수평

수직

TI-P029-16 / CMGT Issue 9

Page 11 of 12

LCV3, LCV4, LCV6, LCV7 리프트 체크밸브