Shop Superlok SRU Stainless Reducing Tube Unions
Our Superlok Series SRU fractional tube reducing unions, crafted from high-quality 316 stainless steel, provide reliable, leak-tight connections when you need to join two sections of tubing with different sizes. These unions are commonly used in industries such as pulp and paper, shipbuilding, and analytical systems, where varying tubing sizes require straight connections. With sizes ranging from 1/16” to 2”, these reducing unions ensure a secure, durable connection, even in high-pressure applications. Designed for easy installation, they are an essential component for maintaining the integrity of fluid transfer systems across a variety of industries.
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Straight Instrumentation TUBE - TUBE Reducer Union
1/16" to 1" Nominal Tube OD
Stainless Steel
Click HERE to view the Superlok Tube Adapters Catalog
Click HERE to view the entire SRU Straight Stainless Steel Fractional TUBE-TUBE Selection
Click HERE to view the entire SRU-M Straight Stainless Steel Metric TUBE-TUBE Selection
Shop Superlok SRU Stainless Reducing Tube Unions
Click on the model number in the chart below to view that adapter.
Fractional Tube Unions
| Product SKU ▼ | Brand ▼ | Material ▼ | Nominal Tube OD ▼ | Nominal Tube OD ▼ | Lead Time ▼ | Price ▼ |
|---|---|---|---|---|---|---|
| SRU 2-1-S316 | Superlok | 316 Stainless Steel | 1/8" (-2) | 1/16" (-1) | 1-2 Weeks | $12.99 |
| SRU 3-1-S316 | Superlok | 316 Stainless Steel | 3/16" (-3) | 1/16" (-1) | 1-2 Weeks | $19.99 |
| SRU 3-2-S316 | Superlok | 316 Stainless Steel | 3/16" (-3) | 1/8" (-2) | 1-2 Weeks | $10.99 |
| SRU 4-1-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 1/16" (-1) | 1-2 Weeks | $11.18 |
| SRU 4-2-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 1/8" (-2) | 1-2 Weeks | $9.99 |
| SRU 4-3-S316 | Superlok | 316 Stainless Steel | 1/4" (-4) | 3/16" (-3) | 1-2 Weeks | $11.51 |
| SRU 5-4-S316 | Superlok | 316 Stainless Steel | 5/16" (-5) | 1/4" (-4) | 1-2 Weeks | $10.99 |
| SRU 6-2-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 1/8" (-2) | 1-2 Weeks | $13.99 |
| SRU 6-4-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 1/4" (-4) | Same Day | $12.99 |
| SRU 6-5-S316 | Superlok | 316 Stainless Steel | 3/8" (-6) | 5/16" (-5) | 1-2 Weeks | $12.99 |
| SRU 8-2-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 1/8" (-2) | 1-2 Weeks | $24.99 |
| SRU 8-4-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 1/4" (-4) | 1-2 Weeks | $19.99 |
| SRU 8-5-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 5/16" (-5) | 1-2 Weeks | $19.99 |
| SRU 8-6-S316 | Superlok | 316 Stainless Steel | 1/2" (-8) | 3/8" (-6) | Same Day | $19.99 |
| SRU 10-4-S316 | Superlok | 316 Stainless Steel | 5/8" (-10) | 1/4" (-4) | 1-2 Weeks | $25.99 |
| SRU 10-6-S316 | Superlok | 316 Stainless Steel | 5/8" (-10) | 3/8" (-6) | 1-2 Weeks | $28.99 |
| SRU 10-8-S316 | Superlok | 316 Stainless Steel | 5/8" (-10) | 1/2" (-8) | 1-2 Weeks | $24.95 |
| SRU 12-4-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 1/4" (-4) | 1-2 Weeks | $34.99 |
| SRU 12-6-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 3/8" (-6) | 1-2 Weeks | $34.99 |
| SRU 12-8-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 1/2" (-8) | 1-2 Weeks | $29.65 |
| SRU 12-10-S316 | Superlok | 316 Stainless Steel | 3/4" (-12) | 5/8" (-10) | 1-2 Weeks | $35.99 |
| SRU 14-8-S316 | Superlok | 316 Stainless Steel | 7/8" (-14) | 1/2" (-8) | 1-2 Weeks | $56.99 |
| SRU 14-12-S316 | Superlok | 316 Stainless Steel | 7/8" (-14) | 3/4" (-12) | 1-2 Weeks | $56.99 |
| SRU 16-4-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 1/4" (-4) | 1-2 Weeks | $54.99 |
| SRU 16-8-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 1/2" (-8) | 1-2 Weeks | $59.99 |
| SRU 16-12-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 3/4" (-12) | 1-2 Weeks | $54.99 |
| SRU 16-14-S316 | Superlok | 316 Stainless Steel | 1" (-16) | 7/8" (-14) | 1-2 Weeks | $55.99 |
| SRU 18-16-S316 | Superlok | 316 Stainless Steel | 1-1/8" (-18) | 1" (-16) | 1-2 Weeks | $86.47 |
| SRU 24-12-S316 | Superlok | 316 Stainless Steel | 1-1/2" (-24) | 3/4" (-12) | 1-2 Weeks | $263.99 |
| SRU 24-16-S316 | Superlok | 316 Stainless Steel | 1-1/2" (-24) | 1" (-16) | 1-2 Weeks | $219.99 |
Showing all products
Metric Tube Unions
| Product SKU ▼ | Brand ▼ | Material ▼ | Nominal Tube OD ▼ | Nominal Tube OD ▼ | Lead Time ▼ | Price ▼ |
|---|---|---|---|---|---|---|
| SRU 4M-4-S316 | Superlok | 316 Stainless Steel | 4mm (-4M) | 1/4" (-4) | 1-2 Weeks | $9.99 |
| SRU 6M-4-S316 | Superlok | 316 Stainless Steel | 6mm (-6M) | 1/4" (-4) | 1-2 Weeks | $10.99 |
| SRU 8M-4-S316 | Superlok | 316 Stainless Steel | 8mm (-8M) | 1/4" (-4) | 1-2 Weeks | $9.99 |
| SRU 8M-6-S316 | Superlok | 316 Stainless Steel | 8mm (-8M) | 3/8" (-6) | 1-2 Weeks | $11.99 |
| SRU 8M-6M-S316 | Superlok | 316 Stainless Steel | 8mm (-8M) | 6mm (-6M) | 1-2 Weeks | $13.18 |
| SRU 10M-4-S316 | Superlok | 316 Stainless Steel | 10mm (-10M) | 1/4" (-4) | 1-2 Weeks | $12.99 |
| SRU 12M-4-S316 | Superlok | 316 Stainless Steel | 12mm (-12M) | 1/4" (-4) | 1-2 Weeks | $19.99 |
| SRU 12M-8-S316 | Superlok | 316 Stainless Steel | 12mm (-12M) | 1/2" (-8) | 1-2 Weeks | $22.99 |
| SRU 14M-8-S316 | Superlok | 316 Stainless Steel | 14mm (-14M) | 1/2" (-8) | 1-2 Weeks | $26.99 |
Showing all products
See the chart below for additional Dimensional Detail & Pressure Ratings
Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.