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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USA Lab Glycerin Compound Compression Gauge- 1/2" Tube Stub
USA LabC-GAUGEBOT-$21.99 - $39.99The USA Lab Glycerin Filled Compound Gauge is available with either a 1/4" or 1/2" stainless steel compression connection and features a readout range of -30 to 300 PSI. For Technical Support, Questions, or Other Issues Please Email or Call... -
Superlok Compression Street Tee - SMRT
Superlok$38.00 - $68.00Superlok 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 1/2" O.D. Tube X 1/2" Male NPT Connector, Bored Through - SMC-TM
SuperlokSMC-8-8-TM$35.00.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... -
USALOK Compression Female Union Cross
USALOKCUC$35.00 - $58.00USALOK made and contains of all 316 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 1/2" HB X 3/8" TUBE STUB
Superlok$30.00 - $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 Stub... -
Superlok Compression O.D. Tube Union Tee SUT
SuperlokSUT$29.00 - $100.00Superlok 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 1" STAINLESS STEEL 304 SEAMLESS TUBING 1,2,4 & 6'
USALOKCTB-1-F$28.00 - $105.00Introducing our 304 stainless steel seamless tubing, a reliable solution for a wide range of applications. Made from high-grade stainless steel, this tubing offers exceptional corrosion resistance and durability. With its seamless construction, you can... -
USALOK Compression Reducing Tee
USALOKCRUT$28.00 - $35.00USALOK made and contains of all 316L SS Compression Reducing Tee 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 Reducing Union - SRU - Various Sizes - 1/4", 3/8", 1/2"
Superlok$25.00 - $40.00Superlok USA 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... -
USA Lab Flat Lid w/ 1/2" Compression Superlok - 1.5", 2", 3", 4"
USA LabFR-SL$45.00 - $59.00Our USA Lab Flat 304 ss Tri-Clamp Reducer / Lid comes with a .5" bore Superlok compression fitting welded on to the lid to provide superior quality at an affordable price. The Superlok fitting of the 4" reducer allows ease of adding dip tubes or... -
USALOK Compression Street Tee
USALOKCMRT$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 Us! -
USALOK Compression Street Tee
USALOKCMBT$23.00 - $39.00USALOK 1 4 compression street tee 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...
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
