Parker RI | BSPP Reducing Adapters / Expanders

This Section contains adapters with thread types including NPT, NPTF, BSPT, BSPP, SAE UN/UNF, and Metric. All the threads in this section are made to industry specifications with conformance shown in table on the right.
Thread Standard

NPT

ANSI B1.20.1, FED-STD-H28/7

NPTF

SAE J476, ANSI B1.20.3, FED-STD-H28/8

BSPT

BS 21, ISO 7/1

BSPP

BS 2779, ISO 228/1

Metric

ISO 261, ANSI B1.13M, FED-STD-H28/21

UN/UNF*

ANSI B1.1, FED-STD-H28/2

*Class 2A or 2B

Parker Pipe Reducer, Expander, & Conversion Configurations

 Parker BSPP Reducing Adapter / Expander

 

BSPP Reducing Adapters / Expanders

Part #: RI
Manufacturer: Parker

 

BSPP / BSPP-CF
(for ISO 1179-1 / DIN 3852-2 Port)


TUBE
FITTING
PART #

END SIZE

d3
(mm)

L
(mm)

S1
(mm)

Fig.

Dynamic
Pressure
(x 1,000 PSI)

1
BSPP

2
BSPP

CF

71

MS

RI1/8X1/4CFX

1/8 - 28

1/4 - 19

14

31.0

19

B

5.8

5.8

3.3

RI1/8X3/8CFX

1/8 - 28

3/8 - 19

14

32.0

24

B

5.8

5.8

3.3

RI1/4X1/8CFX

1/4 - 19

1/8 - 28

18

28.0

19

B

5.8

5.8

3.3

RI1/4X3/8CFX

1/4 - 19

3/8 - 19

18

36.0

24

B

5.8

5.8

3.3

RI1/4X1/2CFX

1/4 - 19

1/2 - 14

18

40.0

30

B

5.8

5.8

3.3

RI1/4X3/4CFX

1/4 - 19

3/4 - 14

18

43.0

36

B

4.5

4.5

3.0

RI3/8X1/8CFX

3/8 - 19

1/8 - 28

22

22.5

22

A

5.8

5.8

3.3

RI3/8X1/4CFX

3/8 - 19

1/4 - 19

22

36.0

22

B

5.8

5.8

3.3

RI3/8X1/2CFX

3/8 - 19

1/2 - 14

22

41.0

30

B

5.8

5.8

3.3

RI3/8X3/4CFX

3/8 - 19

3/4 - 14

22

44.0

36

B

4.5

4.5

3.0

RI1/2X1/8CFX

1/2 - 14

1/8 - 28

26

24.0

27

A

5.8

5.8

3.3

RI1/2X1/4CFX

1/2 - 14

1/4 - 19

26

24.0

27

A

4.5

4.5

3.0

RI1/2X3/8CFX

1/2 - 14

3/8 - 19

26

36.0

27

B

4.5

4.5

3.0

RI1/2X3/4CFX

1/2 - 14

3/4 - 14

26

46.0

36

B

4.5

4.5

3.0

RI1/2X1CFX

1/2 - 14

1 - 11

26

49.0

41

B

2.3

2.3

1.5

RI1/2X11/4CFX

1/2 - 14

1 1/4 - 11

26

53.0

55

B

4.5

4.5

3.0

RI3/4X1/4CFX

3/4 - 14

1/4 - 19

32

26.0

32

A

4.5

4.5

3.0

RI3/4X3/8CFX

3/4 - 14

3/8 - 19

32

26.0

32

A

4.5

4.5

3.0

RI3/4X1/2CFX

3/4 - 14

1/2 - 14

32

41.0

32

B

4.5

4.5

3.0

RI3/4X1CFX

3/4 - 14

1 - 11

32

51.0

41

B

2.3

2.3

1.5

RI3/4X11/4CFX

3/4 - 14

1 1/4 - 11

32

55.0

55

B

2.3

2.3

1.5

RI3/4X11/2CFX

3/4 - 14

1 1/2 - 11

32

57.0

60

B

4.5

4.5

3.0

RI1X1/4CFX

1 - 11

1/4 - 19

39

29.0

41

A

4.5

4.5

3.0

RI1X3/8CFX

1 - 11

3/8 - 19

39

29.0

41

A

4.5

4.5

3.0

RI1X1/2CFX

1 - 11

1/2 - 14

39

29.0

41

A

4.5

4.5

3.0

RI1X3/4CFX

1 - 11

3/4 - 14

39

47.0

41

B

2.3

2.3

1.5

RI1X11/4CFX

1 - 11

1 1/4 - 11

39

57.0

55

B

2.3

2.3

1.5

RI1X11/2CFX

1 - 11

1 1/2 - 11

39

59.0

60

B

2.3

2.3

1.5

RI11/4X1/2CFX

1 1/4 - 11

1/2 - 14

49

32.0

50

A

2.3

2.3

1.5

RI11/4X3/4CFX

1 1/4 - 11

3/4 - 14

49

32.0

50

A

2.3

2.3

1.5

RI11/4X1CFX

1 1/4 - 11

1 - 11

49

52.0

50

B

2.3

2.3

1.5

RI11/4X11/2CFX

1 1/4 - 11

1 1/2 - 11

49

60.0

60

B

2.3

2.3

1.5

RI11/2X1/2CFX

1 1/2 - 11

1/2 - 14

55

36.0

55

A

2.3

2.3

1.5

RI11/2X3/4CFX

1 1/2 - 11

3/4 - 14

55

36.0

55

A

2.3

2.3

1.5

RI11/2X1CFX

1 1/2 - 11

1 - 11

55

36.0

55

A

2.3

2.3

1.5

RI11/2X11/4CFX

1 1/2 - 11

1 1/4 - 11

55

58.0

55

B

2.3

2.3

1.5

RI2X11/2CFX

2 - 11

1 1/2 - 11

68

62.0

70

B

2.3

2.3

1.5

 

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Parker Fittings and Port Adapters

Parker Pipe Fittings

Parker pipe fitting shaped products (elbows, tees and crosses) are hot forged and machined. Parker straight pipe fittings are manufactured from cold drawn barstock. Where applicable, the fittings are made in conformance with SAE J514, J530. All Parker steel pipe fittings are zinc plated with silver chromate (zinc chromium 6 free). Stainless steel pipe fittings are passivated.