Fittings · High-Pressure Fittings
Reducing Union
A union joining two high-pressure tube runs of different sizes in line. It carries the size change inside the fitting, so no separate adapter or reducing bush is needed in the run.
- Product ID
- FIT-HPF-10
- Available Part Nos.
- 28
- Category
- High-Pressure Fittings


PRODUCT IDFIT-HPF-10
28PART NO. ROWS
01PIPE SIZE
02PRESSURE
03T1
04T2
High-Pressure Fittings
Product overview
Reducing Union is part of Parflow's high-pressure fitting range for coned and threaded tube connections.
High-pressure fittings are defined by their connection form, tube size, thread, and published dimensional compatibility.
Reducing Union is available in 28 published Part No. configurations across 3 specification tables. Published fields include PIPE SIZE, PRESSURE, T1, T2.
- Tube connection from 1/4’ to 1”
- Pressure up to 60,000 Psi
- Coned & Threaded connection provides dependable performance
- Check holes provided on all pressure connection verifies proper connection &leak free joint
Technical data
Specifications
28 published Part No. configurations
FEATURES:
10 Part Nos.
| Part No. | PIPE SIZE | PRESSURE | T1 | T2 | A/F-'F' | L | Cart status |
|---|---|---|---|---|---|---|---|
| UR 6MP-4MP | 3/8" X 1/4" | UP TO 20K | 3/8" MP | 1/4" MP | 3/4" | 1.3/4" | |
| UR 9MP-4MP | 9/16" X 1/4" | UP TO 20K | 9/16" MP | 1/4" MP | 1" | 2.1/8" | |
| UR 9MP-6MP | 9/16" X 3/8" | UP TO 20K | 9/16" MP | 3/8" MP | 1" | 2.1/8" | |
| UR 12MP-4MP | 3/4" X 1/4" | UP TO 20K | 3/4" MP | 1/4" MP | 1.3/8" | 2.1/2" | |
| UR 12MP-6MP | 3/4" X 3/8" | UP TO 20K | 3/4" MP | 3/8" MP | 1.3/8" | 2.1/2" | |
| UR 12MP-9MP | 3/4" X 9/16" | UP TO 20K | 3/4" MP | 9/16" MP | 1.3/8" | 2.1/2" | |
| UR 16MP-4MP | 1" X 1/4" | UP TO 20K | 1" MP | 1/4" MP | 1.3/4" | 3.1/2" | |
| UR 16MP-6MP | 1" X 3/8" | UP TO 20K | 1" MP | 3/8" MP | 1.3/4" | 3.1/2" | |
| UR 16MP-9MP | 1" X 9/16" | UP TO 20K | 1" MP | 9/16" MP | 1.3/4" | 3.1/2" | |
| UR 16MP-12MP | 1" X 3/4" | UP TO 20K | 1" MP | 3/4" MP | 1.3/4" | 3.1/2" |
FEATURES:
3 Part Nos.
| Part No. | PIPE SIZE | PRESSURE | T1 | T2 | A/F-'F' | L | Cart status |
|---|---|---|---|---|---|---|---|
| UR 6HP-4HP | 3/8" X 1/4" | 30K TO 60K | 3/8" HP | 1/4" HP | 1" | 1.5/8" | |
| UR 9HP-4HP | 9/16" X 1/4" | 30K TO 60K | 9/16" HP | 1/4" HP | 1.3/8" | 1.3/4" | |
| UR 9HP-6HP | 9/16" X 3/8" | 30K TO 60K | 9/16" HP | 3/8" HP | 1.3/8" | 2" |
FEATURES:
15 Part Nos.
| Part No. | PIPE SIZE | PRESSURE | T1 | T2 | A/F-'F' | L | Cart status |
|---|---|---|---|---|---|---|---|
| UR 4HP-4MP | 1/4" X 1/4" | UP TO 20K | 1/4" HP | 1/4" MP | 3/4" | 1.5/8" | |
| UR 4HP-6MP | 1/4" X 3/8" | UP TO 20K | 1/4" HP | 3/8" MP | 3/4" | 1.3/4" | |
| UR 4HP-9MP | 1/4" X 9/16" | UP TO 20K | 1/4" HP | 9/16" MP | 1" | 2.1/8" | |
| UR 4HP-12MP | 1/4" X 3/4" | UP TO 20K | 1/4" HP | 3/4" MP | 1.3/8" | 2.1/2" | |
| UR 4HP-16MP | 1/4" X 1" | UP TO 20K | 1/4" HP | 1" MP | 1.3/8" | 3.1/2" | |
| UR 6HP-4MP | 3/8" X 1/4" | UP TO 20K | 3/8" HP | 1/4" MP | 1" | 1.7/8" | |
| UR 6HP-6MP | 3/8" X 3/8" | UP TO 20K | 3/8" HP | 3/8" MP | 1" | 1.7/8" | |
| UR 6HP-9MP | 3/8" X 9/16" | UP TO 20K | 3/8" HP | 9/16" MP | 1" | 2.1/8" | |
| UR 6HP-12MP | 3/8" X 3/4" | UP TO 20K | 3/8" HP | 3/4" MP | 1.3/8" | 2.1/2" | |
| UR 6HP-16MP | 3/8" X 1" | UP TO 20K | 3/8" HP | 1" MP | 1.3/8" | 3.1/2" | |
| UR 9HP-4MP | 9/16" X 1/4" | UP TO 20K | 9/16" HP | 1/4" MP | 1.3/8" | 2.3/8" | |
| UR 9HP-6MP | 9/16" X 3/8" | UP TO 20K | 9/16" HP | 3/8" MP | 1.3/8" | 2.3/8" | |
| UR 9HP-9MP | 9/16" X 9/16" | UP TO 20K | 9/16" HP | 9/16" MP | 1.3/8" | 2.3/8" | |
| UR 9HP-12MP | 9/16" X 3/4" | UP TO 20K | 9/16" HP | 3/4" MP | 1.3/8" | 3.1/2" | |
| UR 9HP-16MP | 9/16" X 1" | UP TO 20K | 9/16" HP | 1" MP | 1.3/8" | 3.1/2" |