The JT1070: A Versatile 7.30mm Red Silicone Duckbill Valve for Reliable Medical Fluid Control
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In the precise world of medical fluid handling, certain component sizes become industry standards for their proven reliability and versatility. At DuckBill Valve Factory, our ISO13485-certified cleanroom and 17 years of specialized molding expertise allow us to perfect these essential components. Today, we are pleased to detail the JT1070, a 7.30mm duckbill check valve that represents a sweet spot in micro-valve design—compact enough for tight spaces, yet robust enough for reliable, long-term performance.
The JT1070 is engineered as a dependable workhorse for a wide array of medical and diagnostic applications. Its classic 7.30mm outer diameter and 12.00mm height, combined with a distinct red color for easy identification, make it a versatile and trustworthy choice for design engineers.
JT1070: Specifications for Proven, Reliable Performance
This model is defined by its versatile size, balanced material properties, and clear visual coding:
- Critical Dimensions: With a outer diameter of 7.30mm and a height of 12.00mm, the JT1070 offers a generously sized footprint for a micro-valve. This size allows for robust handling during assembly and provides a larger flow path than our 5mm models, making it suitable for applications requiring moderate flow rates.
- Material Composition (High-Grade Silicone): This valve is manufactured from high-quality, medical-grade silicone. Silicone is the material of choice for countless medical applications due to its exceptional biocompatibility, wide temperature tolerance (-50°C to +200°C), and inherent flexibility. It is non-toxic, odorless, and resists microbial growth.
- Balanced Material Hardness: It features a precisely controlled shore hardness of 55 degrees. This is a highly versatile and commonly specified durometer. It provides an ideal balance—soft enough to ensure a low cracking pressure and a compliant, reliable seal, yet firm enough to offer structural integrity and ease of handling during automated or manual assembly.
- Visual Identification: The valve is manufactured in a distinct red color. This is a crucial quality assurance feature, enabling rapid visual verification during the assembly of complex, multi-component devices in cleanroom environments. The red color makes the JT1070 instantly recognizable, minimizing the risk of part mix-ups with other similarly sized clear or black components.
- Technical Drawing: For precise integration, the official technical drawing for the JT1070 is available, detailing all critical tolerances, lip geometry, and recommended mounting specifications.
Primary Applications: A Versatile Solution Across Medical Devices
Given its medical-grade silicone, balanced 55-durometer flexibility, and versatile 7.30mm x 12.00mm size, this valve is ideally suited for a broad spectrum of applications:
- Infusion Pump Sets: The JT1070 is an excellent choice for in-line check valve functionality in IV lines, ensuring fluids flow only toward the patient and preventing dangerous backflow or air ingestion.
- Diagnostic Instrumentation: Used within analytical devices for drawing and expelling samples or reagents, its reliable one-way action ensures test accuracy and prevents cross-contamination.
- Respiratory and Anesthesia Circuits: It can function as a one-way valve in ventilator manifolds or gas sampling lines, its size allowing for integration into 7-8mm internal diameter tubing commonly found in these systems.
- Pressure Monitoring Lines: In invasive blood pressure monitoring, the JT1070 can be used to isolate and protect sensitive transducers from backflow while maintaining a continuous fluid column.
Material and Performance Characteristics
The JT1070 is manufactured under strict ISO13485 protocols in our cleanroom facilities.
- Medical-Grade Silicone Advantages: Silicone offers unparalleled biocompatibility, making it suitable for contact with drugs, blood, and tissue. It is also highly resistant to repeated sterilization (autoclaving, EtO, gamma) without significant degradation, and its clarity aids in visual inspection of the fluid path.
- Balanced 55-Durometer Action: The 55-durometer formulation provides a highly predictable and consistent performance. It results in a low and repeatable cracking pressure (typically < 1 PSI), making the valve sensitive to flow. Simultaneously, it ensures the lips possess enough memory to snap back to a “drop-tight” seal instantly when forward flow ceases.
- Molding Precision and Consistency: Our advanced molding processes ensure that the 7.30mm geometry is reproduced with flawless consistency, guaranteeing reliable performance from the first valve to the millionth. The distinct red color is uniformly integrated into the medical-grade material.
Frequently Asked Questions about the JT1070
Q1: Why is the 7.30mm size considered so versatile?
A: The 7.30mm outer diameter is a common size that fits well with standard medical tubing and manifold ports. It is large enough to provide a meaningful flow path (reducing flow resistance) and to be handled easily during manufacturing, but it’s still compact enough for use in modern, space-efficient medical devices. It’s a true “Goldilocks” size for many applications.
Q2: What is the advantage of the 55-durometer hardness?
A: 55 Shore A is a very popular and well-understood durometer for medical silicones. It offers an excellent balance: it’s soft enough for a good, low-pressure seal, but firm enough that the valve holds its shape well, resists deformation, and is easy to pick and place during automated assembly. It’s a reliable, all-around performer.
Q3: How does the red color benefit medical device manufacturing?
A: The red color is a simple yet powerful quality control tool. In a cleanroom, where many small, clear or white silicone components may be present, the distinct red of the JT1070 allows operators and vision systems to instantly verify that the correct valve is being installed. This helps prevent costly and dangerous assembly errors.
Q4: What is the typical cracking pressure for the JT1070?
A: For a 55-durometer silicone valve of this size, the cracking pressure is typically low and consistent, generally in the range of 0.3 to 0.8 PSI, depending on the specific fluid viscosity and installation orientation. This makes it suitable for both pump-driven and gravity-fed systems.
Q5: Is the JT1070 suitable for use in single-use disposable devices?
A: Absolutely. Manufactured in our ISO13485 cleanroom, the JT1070 is ideal for integration into sterile, single-use assemblies. Its medical-grade silicone is fully compatible with gamma and EtO sterilization methods commonly used for disposable medical devices, and its cost-effectiveness makes it practical for single-use applications.
Conclusion
The JT1070 Duckbill Valve represents the culmination of years of experience in medical-grade micro-valve manufacturing. With its versatile 7.30mm x 12.00mm footprint, balanced 55-durometer silicone construction, and distinctive red color for assembly assurance, it offers a proven, reliable, and easily identifiable solution for a wide range of fluid control challenges in medical and diagnostic equipment.
For design engineers seeking a dependable, mid-sized check valve backed by ISO13485 quality standards, the JT1070 delivers the performance and consistency required for critical applications. To request the detailed technical drawing, discuss custom modifications, or order evaluation samples, please contact our engineering sales team today.
