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Tube Fittings

Tube fittings provide secure, leak-proof connections for tubing in hydraulic, pneumatic, and plumbing systems. Essential for industrial applications demanding precision and durability.

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Hanpex 4-Way Sillcock Key Wrench - 1/4", 9/32", 5/16", 11/32" Fits Most Spigots, Stopcocks, Wall Hydrants & Valves

Hanpex 4-way sillcock key wrench offers four stems in 1/4", 9/32", 5/16", and 11/32" sizes to fit most sillcocks, stopcocks, water spigots, and valves. Its durable steel build and easy-grip design provide reliable leverage for opening and closing, ideal for homeowners and emergency kits.

  • Versatile 4 sizes fit most sillcocks, spigots, hydrants and valves for one-tool convenience
  • Durable steel construction lasts through repeated use without bending or breaking
  • Easy-grip handle delivers superior leverage to turn stiff valves effortlessly
  • Compact 3x3x0.65-inch size stores easily in toolboxes or survival bags
  • Replaces lost handles on wall hydrants and control cabinets reliably

Multiple head sizes ensure broad compatibility. Rugged steel build for long-term durability. Provides strong leverage with ergonomic grip.

Fits only specified sizes; verify compatibility first. Basic steel may require occasional rust prevention. Compact size limits extreme torque on seized valves.

MACHOSSY Food Grade Silicone Tubing 1/4" ID x 3/8" OD 3FT - Flexible High Temp Hose for Home Brewing, Wine Making, Aquariums

This 3FT food-grade silicone tubing measures 1/4" ID x 3/8" OD and meets strict hygiene standards for safe food and beverage transfer. Its standout flexibility and chemical resistance make it ideal for home brewers, winemakers, and aquarium owners.

  • Ensures food safety by meeting strict sanitary standards without imparting taste or odor to beverages and foods
  • Provides superior resistance to chemicals, acids, alkalis, and solvents for reliable, clog-free performance
  • Offers exceptional flexibility and resilience for easy routing in tight spaces and quick shape recovery
  • Enables crystal-clear visual monitoring of flow while minimizing friction for effortless cleaning
  • Serves versatile low-pressure needs in homebrewing, aquariums, HVAC, pumps, and irrigation systems

Compliant with food safety standards for hygienic use. Highly flexible with excellent elasticity and memory recovery. Strong chemical resistance prevents degradation.

Limited to 3-foot length, may need multiples for longer runs. Designed for low-pressure applications only. Thicker walls add slight bulk in extremely confined areas.

Joywayus 5/16" Y-Shaped 3-Way Brass Hose Barb Ball Valve Fitting with Dual Shut-Off Switches

This Joywayus 5/16-inch Y-shaped 3-way brass shut-off ball valve fitting connects and branches three hoses with dual switches for independent flow control. Its forged brass construction delivers superior strength and corrosion resistance, ideal for irrigation, pneumatic systems, and plumbing projects.

  • Forged brass build ensures corrosion resistance and high-temperature ductility for long-lasting performance
  • Dual shut-off ball valves allow precise, independent control of flow in each branch
  • Barbed hose ends create secure, leak-proof connections when paired with clamps
  • Y-shaped design efficiently splits and directs fluids in air, water, or pneumatic systems
  • Wide temperature range from -40°F to 160°F suits demanding indoor and outdoor applications

Exceptional durability from forged brass over cast alternatives. Versatile 3-way branching for complex hose routing. Reliable shut-off function prevents unwanted flow.

5/16-inch size requires exact hose matching to avoid fit issues. Needs hose clamps or ferrules for maximum seal integrity. Temperature limits may not suit extreme industrial heat.

BOSREROY 1000ml Pear-Shaped Plastic Separatory Funnel with Stopcock & Graduations - Durable Autoclavable Labware

This 1000ml pear-shaped separatory funnel from BOSREROY is made of premium polypropylene for durable lab use. Its chemical resilience, precise stopcock, and autoclavable design make it ideal for researchers and educators needing reliable phase separation.

  • Exceptional durability from premium polypropylene for repeated lab use without wear
  • Resists high/low temperatures, weak acids, and bases for safe handling of diverse solutions
  • Pear shape and tapered bottom enable smooth, efficient phase separation every time
  • Precision stopcock with clear graduations offers accurate flow and volume control
  • Autoclavable construction allows easy sterilization and reuse in professional settings

Highly durable and wear-resistant polypropylene material. Strong resistance to temperature extremes and common chemicals. Precise stopcock and volume markings for reliable control.

Minor measurement errors possible within normal tolerances. Potential slight color variations due to lighting or monitors. Plastic may limit use with very strong acids compared to glass.

Chemglass CG-1188-08 Chromatography Column: 0.75" ID, 18" Length, PTFE Stopcock, 24/40 Joint for Lab Precision

The Chemglass CG-1188-08 is a chromatography column with 0.75-inch ID, 18-inch length, 2 mm PTFE stopcock, and 24/40 outer joint. Lab technicians in GC applications should buy it for its precise dimensions and durable components suited to column chromatography.

  • Optimizes flow with 0.75-inch ID for efficient separations
  • 18-inch length accommodates diverse sample volumes
  • Chemical-resistant 2 mm PTFE stopcock ensures leak-free control
  • Standard 24/40 outer joint enables seamless lab setup integration
  • Plastic fritted design simplifies packing and maintenance

Exact 0.75-inch ID supports consistent chromatography results. Robust 18-inch length fits standard lab protocols. PTFE stopcock provides smooth, corrosion-resistant operation.

Specific dimensions may require custom adapters in some setups. Sold individually, increasing cost for bulk needs. Plastic fritted ends less durable than all-glass alternatives.

YuGtcen 2-Pack 1/8" Brass Mini Ball Stopcock Valve - NPT Female x Male Shut-Off for RV Shower, Kitchen, Bathroom

YuGtcen 2pcs 1/8" brass ball stopcocks are rust-resistant valves with NPT female to male threads for precise shut-off control. RV owners, homeowners, and DIYers should buy them for reliable water flow management in showers, kitchens, or bathrooms.

  • Durable brass build resists rust for long-lasting performance in wet environments
  • Quarter-turn on/off switch enables quick water flow control and saves usage
  • Precise 1/8" NPT female-to-male threads ensure secure, leak-free connections
  • Easy installation with shut-off design simplifies setup in tight spaces
  • Compact mini size fits perfectly for RV showers, kitchen faucets, and bathrooms

Rust-resistant brass for superior durability. Effortless quarter-turn operation for water savings. Simple plug-and-play installation.

Requires verifying 9.6mm thread dimensions before purchase. Mini size best for small-scale applications only. Must be in off position prior to installation to avoid leaks.

Deschem 24/40 Glass Vacuum Adapter with Bent Hose Connection & PTFE Stopcock Valve - Lab Borosilicate Flow Control

This deschem 24/40 glass vacuum adapter features a bent hose connection and PTFE stopcock for precise flow control in lab distillation. Made from G3.3 borosilicate glass with high heat resistance up to 820℃ softening point, it's ideal for chemists and lab technicians needing reliable vacuum setups.

  • Achieve precise flow regulation with durable PTFE stopcock for leak-free lab operations
  • Endure extreme temperatures up to 820℃ softening point for safe high-heat distillation
  • Minimize thermal stress with low expansion coefficient of 32×10-7/℃ for long-term reliability
  • Seamlessly connect via standard 24/40 ground joints to existing lab glassware
  • Simplify vacuum setups with 90-degree bent hose connection for ergonomic handling

Superior G3.3 borosilicate glass for exceptional durability and clarity. High softening point supports demanding thermal processes. Reliable PTFE stopcock provides smooth, chemical-resistant operation.

Glass construction demands careful handling to avoid breakage. Sized specifically for 24/40 joints, may require adapters for other setups. Bent hose limits flexibility in tight lab spaces.

XCD Vacuum Flow Control Adapter with PTFE Stopcock, 24/40 Joint & Straight Hose for Precise Lab Distillation

XCD Vacuum Flow Control Adapter equips lab setups with a PTFE stopcock for precise fluid and gas regulation via its 24/40 joint and straight hose connection. Lab researchers handling vacuuming and distilling should buy it for reliable performance in borosilicate glass apparatus.

  • Achieve precise flow control for accurate lab experiments with premium PTFE stopcock
  • Seamlessly integrate with standard 24/40 joint lab glassware for universal compatibility
  • Securely connect hoses effortlessly to streamline vacuum and distillation setups
  • Rely on durable borosilicate glass that resists acids, alkalis, and high temperatures
  • Boost lab efficiency in vacuuming, connecting, and distilling applications

Superior flow precision from PTFE stopcock. Broad compatibility with 24/40 joint standard. Robust resistance to chemicals and heat.

Limited to 24/40 joint size, may need adapters for other sizes. Requires matching lab glassware for full compatibility. New product lacking extensive user reviews.

Disposable Sterile 2-Way Luer Lock Stopcock Valves, 10 Pack - Leak-Proof T-Connectors for Lab, Medical, DIY Fluid Control

These 10 disposable sterile 2-way Luer lock stopcock valves feature a leak-proof HDPE/PP build with universal tapered connectors for precise fluid or gas flow. Ideal for medical labs, school projects, and DIY hobbyists needing reliable single-use transfer solutions.

  • Achieve leak-free fluid control with durable HDPE/PP construction that resists corrosion for dependable performance
  • Securely connect to any standard Luer joint for effortless compatibility in diverse setups
  • Enable precise 2-way or 3-way flow adjustments with an easy-turn handle for accurate experimentation
  • Maintain sterility with individual ethylene oxide packaging, perfect for clean lab and medical use
  • Simplify school projects, hobbies, and instrument connections with versatile T-connector design

Universal Luer lock fit works with most connectors. Sterile and individually packaged for hygiene. Leak-proof seal supports reliable fluid transfer.

Single-use only, not designed for repeated sterilization. Plastic construction may limit high-pressure applications. Generic brand lacks established long-term durability data.

Zymo Research S7001 One-Way Luer-Lock Clear Stopcock Pack of 20 - EZ-Vac Manifold Components, Made in USA

Zymo Research S7001 provides 20 clear one-way Luer-Lock stopcocks as essential components for the EZ-Vac Vacuum Manifold S7000. Their ease of use and US manufacturing ensure reliable fluid control for lab professionals handling precise experiments.

  • Effortless integration with EZ-Vac Vacuum Manifold for seamless lab workflows
  • Precise one-way flow control prevents backflow and contamination
  • Crystal-clear design allows real-time monitoring of fluid levels
  • Secure Luer-Lock connections minimize leaks and ensure safety
  • Convenient pack of 20 supports high-volume lab needs

Compatible with S7000 EZ-Vac system for perfect fit. Easy to install and use without special tools. High durability from US manufacturing standards.

Designed specifically for EZ-Vac manifolds, limiting versatility. One-way design not suitable for bidirectional flow needs. No included storage or protective case for the pack.

Welcome to our comprehensive guide on tube fittings, the essential connectors that ensure secure, leak-proof joints in hydraulic, pneumatic, and plumbing systems. Whether you're outfitting industrial machinery, laboratory setups, or maintenance projects, these fittings deliver the precision and reliability needed for high-pressure environments. As part of the broader Fittings category within Hydraulics, Pneumatics & Plumbing, our selection helps you find the right solution to keep operations running smoothly.

What Are Tube Fittings?

Tube fittings are specialized components designed to join tubing without the need for welding or soldering, offering quick installation and easy maintenance. Unlike pipe fittings, which connect rigid pipes, tube fittings accommodate flexible tubing and provide a tight seal under varying pressures and temperatures. They are widely used in industries like manufacturing, oil and gas, aerospace, and food processing, where downtime from leaks or failures can be costly.

Types of Tube Fittings

Understanding the variety available is key to selecting the best fit for your needs. Common types include:

  • Compression Fittings: Feature a ferrule that compresses around the tube for a secure bite. Ideal for high-vibration applications; dive deeper into options with our Compression Fittings subcategory.
  • Push-to-Connect Fittings: Simply push the tube in for an instant connection—no tools required. Perfect for quick repairs or pneumatic systems.
  • Bite-Type Fittings: Similar to compression but with a sharper bite for metric tubing, common in European standards.
  • Flare Fittings: Create a conical seal at the tube end, excelling in high-pressure hydraulic lines.
  • Threaded Fittings: Combine tube connections with NPT or BSP threads for interfacing with other components.

Each type suits specific tubing materials like nylon, PTFE, stainless steel, or copper, ensuring compatibility and longevity.

Key Features to Consider When Buying Tube Fittings

To make an informed purchase, evaluate these critical factors:

  • Material: Stainless steel for corrosion resistance in harsh environments; brass for cost-effective general use; plastic for lightweight pneumatic applications.
  • Pressure and Temperature Ratings: Match to your system's max PSI and operating temps—vital for safety and performance.
  • Tube Size and Thread Type: Ensure OD/ID matches; common standards include SAE, JIC, or metric.
  • Seal Type: O-rings, metal-to-metal, or elastomeric for zero-leak guarantees.
  • Certifications: Look for approvals like ISO, ASME, or NSF for regulated industries.

Prioritizing these ensures fittings withstand repeated assembly/disassembly without compromising integrity.

Common Use Cases for Tube Fittings

Tube fittings shine in diverse scenarios. In hydraulics, they connect high-pressure hoses on presses and lifts. Pneumatic systems use them for air lines in automation. Plumbing applications include water lines and instrumentation. For complementary components, consider pairing with Valves to control flow or Fitting Clamps for added support. From semiconductor fabs needing ultra-clean fittings to automotive repair shops, these versatile parts adapt to any setup.

Tube Fittings Buying Guide

Start by assessing your tubing specs: material, size, and flexibility. Calculate system pressure to select rated fittings—over-spec slightly for safety. Test compatibility with fluids/gases involved, as some materials degrade with chemicals. Opt for reusable designs for frequent changes. Bulk buying suits large projects, while kits offer variety for prototyping. Always verify supplier specs against OEM requirements to avoid mismatches.

For broader context, tube fittings fall under the vast Industrial & Scientific offerings, enabling everything from prototypes to production lines.

Frequently Asked Questions

What is the difference between tube fittings and pipe fittings?

Tube fittings connect flexible tubing with a bite or push mechanism, while pipe fittings join rigid pipes via threads or solvents. Tube versions prioritize ease of installation for instrumentation.

Can tube fittings be used in high-pressure hydraulic systems?

Yes, many like flare or compression types handle thousands of PSI. Always check ratings and use proper assembly tools for safety.

How do I ensure a leak-free connection with tube fittings?

Properly cut and deburr tubes, use manufacturer torque specs, and perform pressure tests. Lubricate threads and O-rings as recommended.

Are stainless steel tube fittings suitable for food-grade applications?

Yes, 316 stainless with sanitary finishes meets FDA standards. Confirm certifications for your specific use.

What maintenance do tube fittings require?

Regular inspections for wear, corrosion, or loose connections. Reusable types can be disassembled, cleaned, and reassembled periodically.