Parker PTR34M | BSPT Reducing 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 BSPT Reducing Adapter

 

BSPT Reducing Adapters

Part #: PTR34M
Manufacturer: Parker

 

BSPT / BSPP

TUBE
FITTING

PART #

END SIZE

C2

(mm)

L2

(mm)

Dynamic
Pressure
(x 1,000 PSI)

1

BSPT

2

BSPP

S

SS

B

1/4X1/8PTR34M

1/4-19

1/8-28

17

28

6.0

6.0

3.3

3/8X1/4PTR34M

3/8-19

1/4-19

19

33

6.0

6.0

3.3

1/2X1/4PTR34M

1/2-14

1/4-19

22

39

5.0

5.0

3.3

1/2X3/8PTR34M

1/2-14

3/8-19

22

39

5.0

5.0

3.3

 

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