Pipe Size

Pipe Type 

Pipe Config

Target Gain

Highbound Gain

Target “g”

Highbound “g”

½"

Copper L

142

9.8

18.8

37

48

½"

Copper M

139

6

15.5

32

44

½"

CPVC

147

9.8

18.2

37

47

½"

PVC40

146

17.2

25.8

46

57

½"

PEX

145

10.7

19.6

38

49

¾"

Copper L

131

17.2

26.7

46

58

¾"

Copper M

133

13.9

22.8

42

53

¾"

CPVC

137

6

15.5

32

44

¾"

PVC40

135

6.8

16.3

33

45

¾"

PEX

136

10.7

19.6

38

49

1"

Copper L

140

21.5

29.8

51

62

1"

Copper M

134

21.5

29.8

51

62

1"

CPVC

141

18.2

27.7

47

59

1"

PVC40

132

13

22

41

52

1"

PEX

138

6.8

16.3

33

45

1.25"

Copper M

2009

13.9

22.8

42

53

1.5"

Copper L

2006

18.2

27.7

47

59

1.5"

PVC40

2005

17.2

26.7

46

58

2"

Copper L

2002

18.2

27.7

47

59

2"

PVC40

2001

13

22

41

52

2.5"

Copper L

2007

6

15.5

32

44

2.5"

PVC40

2008

9

17.2

36

46

3"

Copper L

2004

18.2

26.7

47

58

3"

PVC40

2003

17.2

25.8

46

57