Parker Fluiding Sampling Series Test Port Couplings
![]() |
These diagnostic fluid sampling products are designed to provide an easy access point for obtaining fluid samples. A permanently mounted test point eliminates the need to shut down or break lines when taking samples and reduces the chances of contamination. Fluid analysis is crucial in both engines and hydraulic systems as it can reveal problems with filtration and other internal components. Early detection can prevent costly repairs, unscheduled maintenance, and production downtime. These fluid sampling nipples should be installed in either low pressure or return lines. For the most accurate monitoring, fluid samples should be constantly taken from the same location. |
Specifications (1/8" Size)
Body Size |
1/8 |
Rated Pressure (PSI) |
500 PSI |
Seal Material |
Fluorocarbon |
Temperature Range (std. seals (Fluorocarbon) |
-40° to +250° F |
Couplers - Female Thread
Body |
Part Number |
Female Thread |
Female Thread |
Overall |
Wrench Flats |
Largest Diameter |
Weight |
1/8 |
PDFS242 |
1/4-18 |
- |
2.15 |
0.81 |
0.96 |
0.25 |
Nipples - Male Straight Thread
Body |
Part Number |
Thread Size |
Thread Size |
Overall |
Exposed |
Wrench Flats |
Largest |
Weight |
1/8 |
BPDFS341 |
7/16-20 ORB |
|
1.60 |
0.90 |
0.69 |
0.79 |
0.08 |
1/8 |
BPDFS343 |
1/4-18 NPTF |
|
1.48 |
0.78 |
0.69 |
0.79 |
0.06 |
1/8 |
PDFS-PROBE* |
|
NA |
– |
– |
– |
– |
– |
Nipples - Male Pipe Thread
Body |
Part |
Thread Size |
Thread Size |
Overall |
Exposed |
Wrench |
Largest |
Weight |
1/8 |
BPDFS341 |
7/16-20 ORB |
|
1.6 |
0.90 |
0.69 |
0.79 |
0.08 |
1/8 |
BPDFS343 |
1/4-18 NPTF |
|
1.48 |
0.78 |
0.69 |
0.79 |
0.06 |
1/8 |
PDFS-PROBE* |
|
NA |
– |
– |
– |
– |
– |
Related Products
Dust Cap
Part #: PD6-285Protective dust caps play a critical role in extending life of a quick coupling.
PD Series Test Port Couplings
- SAE J1502 and ISO 15171-1
- 6,000 PSI
- ORFS, JIC, Pipe, O-Ring Boss, Metrics
PDP Series Test Port Couplings
- Connect under pressure up to 6,000 PSI
- ORFS, JIC, O-Ring Boss
- Couplers are unvalved (straight-through)
EMA3 Series Test Port Couplings
- Connect under pressure up to 5,800 PSI
- Max operating pressure up to 9,000 PSI
- Ideal for wide range of applications that require compact high pressure couplings and do not need high flow rate
PDFS Fluid Sampling Couplings
- 500 PSI
- -40°F to +250°F
Diagnostic Meters
