Premium Rubber Stopper with Tubing: Seamless Fluid & Gas Management Solutions
In industrial, laboratory, and pharmaceutical applications, the integrity of fluid and gas transfer systems is paramount. Our high-performance rubber stopper with tubing assemblies provide a reliable, leak-proof, and versatile sealing solution designed for demanding environments. Engineered for precision and durability, these integrated units eliminate the need for separate connections, reducing potential failure points and ensuring consistent performance in critical processes.
1. Product Overview
Our rubber stopper with tubing is a pre-assembled component featuring a high-grade elastomer stopper permanently bonded to a length of flexible tubing. This design is specifically crafted to create secure, airtight, and liquid-tight seals on flasks, carboys, reactors, and various containers while facilitating the safe passage of gases or liquids. Ideal for both controlled laboratory settings and scaled industrial production, these assemblies are essential for applications requiring sterile conditions, pressure equalization, or safe chemical transfer. We offer extensive customization in stopper material, tubing diameter, length, and chemical compatibility to meet exact operational specifications.
2. Key Features
- Integrated, Leak-Proof Design: The permanent bond between the stopper and tubing prevents separation and leakage at the critical junction point, ensuring system integrity.
- Superior Material Selection: Available in various elastomers like Silicone, EPDM, Nitrile, and Butyl, each offering specific resistance to heat, chemicals, and aging.
- Precision Manufacturing: Consistent molding and bonding processes guarantee uniform dimensions and reliable performance across every batch.
- Enhanced Safety & Hygiene: Smooth, non-porous surfaces prevent contamination and are easy to clean and sterilize (autoclavable options available).
- Operational Versatility: Suitable for a wide range of functions including venting, sampling, feeding, draining, and inert gas blanketing.
- Customization Ready: Tailor the assembly to your needs with options for tubing ID/OD, wall thickness, overall length, and durometer (hardness) of the stopper.
3. Technical Specifications
| Parameter | Specifications & Options |
|---|---|
| Stopper Material | Silicone (High-Temp), EPDM (Weather/Ozone Resistant), Nitrile (Oil/Fuel Resistant), Butyl (Gas Impermeable), Natural Rubber (General Purpose) |
| Tubing Material | Compatible material bonded to stopper (Silicone, PVC, EPDM, Latex, etc.) |
| Stopper Size (Diameter) | Range from #0 to #13, or custom diameters from 10mm to 50mm+ |
| Tubing Inner Diameter (ID) | Standard range: 3mm (1/8") to 12mm (1/2"), custom sizes available |
| Temperature Range | -60°C to 250°C (-76°F to 482°F), dependent on material selection |
| Sterilization | Autoclavable (Silicone), Gamma Irradiation, ETO Gas compatible options |
| Certifications | USP Class VI, FDA compliant, REACH, RoHS available for specific materials |
4. Application Scenarios
The rubber stopper with tubing is a critical component across diverse sectors where controlled environments are necessary:
- Pharmaceutical & Biotech: Fermentation tanks, bioreactors, media preparation, and sterile fluid transfer lines.
- Chemical & Industrial Processing: Sealing reaction vessels, acid/caustic handling, solvent transfer, and venting of storage containers.
- Food & Beverage: Sampling ports on brewing vats, wine fermentation locks, and ingredient feeding systems.
- Laboratories & R&D: Glassware assemblies for distillation, gas delivery/collection, and controlled atmosphere experiments.
- Environmental & Water Testing: Sealing sample containers and analytical equipment for accurate gas and liquid analysis.
5. Advantages
Choosing our integrated assembly delivers tangible benefits over piecing together separate components:
- Reduced Assembly Time & Error: Pre-assembled unit speeds up production setup and eliminates incorrect fitting matches.
- Enhanced System Reliability: The monolithic bond drastically reduces the risk of leaks at the stopper-tubing interface, a common failure point.
- Cost-Effective Maintenance: Durable construction and chemical resistance lead to longer service life and lower replacement frequency.
- Improved Process Consistency: Uniform product quality ensures repeatable results in sensitive applications like fermentation or chemical synthesis.
- Broad Compatibility: Our material portfolio ensures a solution exists for nearly any chemical, thermal, or regulatory requirement.
6. Why Choose Us
As a specialist manufacturer in sealing and fluid transfer components, we provide more than just a product:
- Deep Technical Expertise: Our engineers assist in material and design selection to optimize for your specific pressure, chemical, and temperature conditions.
- Full Customization Capability: We thrive on producing made-to-order rubber stopper with tubing solutions, from prototype to full production run.
- Rigorous Quality Control: Every batch undergoes stringent inspections for dimensions, bond strength, and material integrity.
- Global Supply Chain Strength: Reliable logistics ensure timely delivery to your facility, anywhere in the world, supported by comprehensive documentation.
- Dedicated B2B Partnership: We work as an extension of your supply chain, committed to supporting your production continuity and innovation.
7. FAQ
Q1: Can I request a sample of the rubber stopper with tubing before placing a bulk order?
A: Yes, we encourage it. We provide sample units for evaluation to ensure the material, fit, and performance meet your application requirements. Please contact our sales team with your specifications to arrange samples.
Q2: How do I select the right material for my application?
A: The key factors are chemical compatibility, temperature range, required flexibility/durometer, and any regulatory needs (e.g., FDA, USP). Our technical team can guide you based on the media the assembly will contact and the operating environment.
Q3: Are these assemblies suitable for sterile or cleanroom use?
A: Absolutely. We offer assemblies made from materials like Platinum-Cured Silicone that are USP Class VI compliant and can be sterilized via autoclave, gamma radiation, or ETO gas. They are manufactured in controlled environments to minimize particulates.
Q4: What is the lead time for custom orders?
A: Lead times vary based on the complexity and quantity of the order. Standard configurations may ship within 2-3 weeks, while fully custom designs require time for tooling and validation. We provide firm timelines upon quotation.
Q5: What information do you need to provide a quotation?
A: Please provide: 1) Stopper size (or container neck ID), 2) Desired stopper and tubing material, 3) Tubing Inner Diameter and required length, 4) Operating conditions (chemicals, temperature, pressure), and 5) Annual estimated volume. This allows us to propose the most optimal and cost-effective solution.
