Parker HPC | Hex Pipe Caps

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 Port & Bleed Adapter Configurations

 Parker Hex Pipe Cap

 

Hex Pipe Caps

Part #: HPC
Manufacturer: Parker

 

NPTF


TUBE
FITTING
PART #

END SIZE

C
HEX
(in.)

L
(in.)

Dynamic
Pressure
(x 1,000 PSI)

1
NPTF

-S

-SS

-B

1/8 HPC

1/8 - 27

9/16

.75

6.0

6.0

3.3

1/4 HPC

1/4 - 18

3/4

.91

6.0

6.0

3.3

3/8 HPC

3/8 - 18

7/8

1.03

6.0

6.0

3.3

1/2 HPC

1/2 - 14

1 1/16

1.34

6.0

6.0

3.3

3/4 HPC

3/4 - 14

1 1/4

1.44

4.8

4.8

3.1

1 HPC

1 - 11 1/2

1 5/8

1.68

3.6

3.6

2.3

1 1/2 HPC

1 1/2 - 1 1/2

2 3/8

1.92

2.4

2.4

1.5

 

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