Parker FHG4 | Conversion Adapters

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 Conversion Adapter

 

Conversion Adapters

Part #: FHG4
Manufacturer: Parker

 

NPTF / BSPP


TUBE

FITTING

PART #

END SIZE

C

HEX

(in.)

L

(in.)

Dynamic
Pressure

(x 1,000 PSI)

 

1

NPTF

2

BSPP

 

-S

-SS

-B

 

1/4X1/4FHG4

1/4 - 18

1/4 - 19

3/4

1.33

6.0

6.0

3.3

 

1/4X3/8FHG4

1/4 - 18

3/8 - 19

13/16

1.40

6.0

6.0

3.3

 

3/8X1/4FHG4

3/8 - 18

1/4 - 19

3/4

1.31

6.0

6.0

3.3

 

3/8X3/8FHG4

3/8 - 18

3/8 - 19

1

1.34

6.0

6.0

3.3

 

1/2X3/8FHG4

1/2 - 14

3/8 - 19

15/16

1.50

6.0

6.0

3.3

 

1/2X1/2FHG4

1/2 - 14

1/2 - 14

1 1/8

1.66

5.0

5.0

3.3

 

3/4X3/4FHG4

3/4 - 14

3/4 - 14

1 7/16

1.75

4.0

4.0

2.6

 

 

 

Related Resources

 


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