Buy the best laboratory compression products at USALab.com! Our high-quality products are perfect for any lab setting from our compression gauges to caps. Order now and experience the benefits.
Products List
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USALOK Compression Female Union Tee
USALOKCUT$23.00 - $39.00USALOK made and contains of all 316L SS components. USALOK is one of the most reliable and affordable compression fittings on the market! For Technical Support, Questions, or Other Issues Please Email or Call... -
Superlok Compression O.D. Tube Union 90-Degree Elbow - SUE
SuperlokSUE$22.00 - $80.00Superlok Tube Fittings are produced under strict quality control using the highest quality raw materials. Positive material identification (PMI), rigorous testing and quality assurance procedures are the foundation of the Superlok brand. Superlok Tube... -
USA Lab Glycerin Compound Gauge- Various Options- 1/4",COMP,NPT
USA Lab$19.00 - $21.99USA Lab Glycerin Filled Compound Gauge has a 1/4" Stainless Steel Compression connection with a readout of (-30)-0-150 PSI. For Technical Support, Questions, or Other Issues Please Email or Call Us! -
Superlok O.D.T X MNPT Elbow - SME
Superlok$18.00 - $42.00Superlok Tube Fittings are produced under strict quality control using the highest quality raw materials. Positive material identification (PMI), rigorous testing and quality assurance procedures are the foundation of the Superlok brand. Superlok Tube... -
Superlok OD to MJIC Adapter - SAU - Various Sizes - 1/4", 3/8", 1/2"
Superlok$16.00 - $30.00.usalab-prod{--accent:#13a8b6;--ink:#0f1b2d;--muted:#64748b;--card:#f7f9fc;--ring:#e6ecf2;font-family:inherit} .usalab-prod *{box-sizing:border-box} .usalab-prod h2,.usalab-prod h3{margin:0 0 .5rem;color:var(--ink);line-height:1.2} .usalab-prod... -
Superlok O.D Union - Various Sizes - 1/4", 3/8", 1/2"
Superlok$16.00 - $32.00Superlok Tube Fittings are produced under strict quality control using the highest quality raw materials. Positive material identification (PMI), rigorous testing and quality assurance procedures are the foundation of the Superlok brand. Superlok Tube... -
USALOK Compression Female Union 90-Degree Elbow
USALOKCUE$14.00 - $28.00This USALOK 90 degree union compression elbow female is made and contains of all 316L SS components. USALOK is one of the most reliable and affordable compression fittings on the market! For Technical Support, Questions, or Other... -
Superlok OD to Tube Stub - SR
SuperlokSR$14.00 - $26.00SKU breakdown - SR-A-BA = OD | B = Tube StubSuperlok USA Tube Compression Stub Fittings are produced under strict quality control using the highest quality raw materials. Positive material identification (PMI), rigorous testing and quality assurance... -
Superlok Tube Stub X MJIC Adapter - SAA
SuperlokSAA$12.00 - $19.00A Superlok Tube Fitting is produced under strict quality control using the highest quality raw materials. Positive material identification (PMI), rigorous testing and quality assurance procedures are the foundation of the Superlok brand. Superlok Tube... -
USALOK Compression Female Tube X MNPT Elbow
USALOKCME$11.00 - $21.00USALOK made and contains of all 316L SS components. USALOK is one of the most reliable and affordable compression fittings on the market! For Technical Support, Questions, or Other Issues Please Email or Call... -
USALOK Compression Female Union
USALOKCU$11.00 - $20.00USALOK female compression union fitting is made and contains of all 316L SS components. USALOK is one of the most reliable and affordable compression fittings on the market! For Technical Support, Questions, or Other Issues Please... -
USALOK Barb x Tube Stub - CHF
USALOK$30.00 - $42.00USALOK made and contains of all 316L SS components. USALOK is one of the most reliable and affordable compression tube fitting on the market! For Technical Support, Questions, or Other Issues Please Email or Call...
Compression Fittings From USA Lab
Leak-Free Stainless Steel Compression Fittings and Components
Compression fittings make it easy to build tight, reliable connections without welding or threading. At USA Lab, you'll find everything you need to assemble and maintain your system: from classic unions and tees to PTFE-lined hoses, valves, gauges, lids, and stainless tubing.
These products are built for:
- Extraction labs running solvent transfer and pressurized systems.
- Brewing operations requiring sanitary, corrosion-resistant parts.
- Research labs monitoring pressure with gauges and relief valves.
- Industrial plants relying on high-strength stainless steel tubing and fittings.
Complete Connection Solutions for Your Lab, Reactor, or Processing System
316/316L Stainless Steel
Made from high-grade stainless steel that resists corrosion, solvents, and high pressure, these components are built for long-term durability in lab and industrial environments.
Full System Coverage
Find everything you need in one place: fittings, valves, gauges, hoses, lids, tubing, ferrules, and nuts.
Flow and Pressure Control
Keep operations safe and efficient with valves for precise on/off flow and adjustable inline relief valves that protect your setup from overpressure.
Compare Stainless Steel Compression Products
Core fitting compression products (like valves and gauges) provide the parts needed to build and maintain reliable systems. Hoses and lids add flexibility, while small parts (like ferrules, nuts, and plugs) keep everything sealed and running leak-free.
| Group | Brands | Sizes / Range |
|---|---|---|
| Safety & Control Valves | Superlok | Relief valves: 10–250 PSI set range (300 PSI body); ball valves: ¼"–¾" |
| Compression Hoses | USA Lab | Hose lengths: 12"–144" (model-dependent) |
| Lids & Reducers | USA Lab Superlok | Tri-clamp sizes: 1.5"–12" (model-dependent) |
| Core Fittings | Superlok USALOK |
Common sizes: ¼", ⅜", ½" (plus select 1") |
| Adapters & Connectors | Superlok USALOK |
Adapter sizes: ¼", ⅜", ½" (plus select 1") |
| Gauges | USA Lab | Pressure ranges: -30 to 300 PSI |
| Tubing | USALOK | Tube sizes: ¼"–1" |
| Small Parts | Superlok USALOK |
Component sizes: ¼", ⅜", ½" |
Easy Operation and Flexibility
- Quick setup — Hand-tighten or use basic tools. No welding or threading needed.
- Reusable components — Disconnect and reassemble without losing seal strength.
- Custom fit builds — Mix reducers, adapters, and tubing for any system layout.
Match the Right Compression Product to Your Lab
- Need overpressure protection? → Install a Superlok inline relief valve.
- Controlling flow at high pressure? → Choose a 210 Series ball valve.
- Running solvents between vessels? → Use PTFE-lined stainless hoses in ½" or ¾".
- Monitoring vacuum or pressure? → Select a compound or glycerin gauge with the right range.
- Building reactor lids or reducers? → Pick a flat or hemispherical lid with ½" compression ports.
- Connecting unlike standards? → Go with OD-to-NPT, OD-to-MJIC, or barb adapters.
- Core plumbing work? → Start with Superlok/USALOK unions, tees, elbows, and crosses.
Why Choose USA Lab Stainless Steel Compression Products
- Huge selection from trusted brands Superlok and USALOK.
- Coverage for every need: fittings, valves, hoses, lids, gauges, and tubing.
- U.S.-based support and fast shipping from our warehouse.
Equipment That Works With Your Compression Setup
Pair your compression fittings with related USA Lab gear for a complete solution:
- Reactors and mixing tanks for sealed systems with compression-port lids and reducers
- Vacuum ovens and pumps to add gauges and relief valves for safe operation
- Filtration systems to connect stainless tubing or hoses to move solvents
- Chillers and heaters to use compression tees and elbows for reliable circulation lines
