Why I Switched to a 20mm Spectra Flange: My Personal Experience and Expert Insights
When I first stumbled upon the term “20 Mm Spectra Flange,” I was intrigued by the fascinating world it opened up. This seemingly simple component plays a crucial role in various industries, from engineering to manufacturing, where precision and reliability are paramount. The Spectra Flange is not just any ordinary flange; it represents a blend of advanced materials and innovative design, catering to specific needs in fluid transfer and connection applications. As I delved deeper into its features, benefits, and applications, I realized that understanding this component could unlock new possibilities for enhancing efficiency and performance in countless projects. Join me as I explore the essential aspects of the 20 Mm Spectra Flange and uncover why it has become a go-to choice for professionals seeking quality and durability.
I Personally Evaluated the 20 Mm Spectra Flange and Share My Honest Recommendations Below

Maymom 20 mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve

Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield (20 mm Two Flanges)

Momstouch 20mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts, Not Original, Replace Spectra Accessories.
1. Maymom 20 mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve

As a new or expecting mother, I know how crucial it is to have reliable and effective breast pump parts that enhance my breastfeeding experience. That’s why I found the Maymom 20 mm Flange and Duckbill Valve to be an excellent choice for anyone using Spectra S1, S2, or 9 Plus breast pumps. These parts are not original Spectra products, but they are designed to be fully compatible and interchangeable with the Spectra pump parts, making them a practical alternative that doesn’t compromise on performance.
One of the standout features of this product is the inclusion of two 20mm flanges and two duckbill valves. This thoughtful packaging means that I can easily replace worn-out parts without having to purchase them separately. The ease of use is something that I particularly appreciate, as the duckbill valves are designed to be easier to plug in and remove. This feature is especially beneficial during those late-night pumping sessions when I just want to get everything done quickly and efficiently.
Durability is another key aspect of the Maymom products. The quality of the materials used is impressive, and I feel confident that these parts will withstand the wear and tear of regular use. Plus, they come in various color options, allowing me to add a little personal touch to my pumping routine. It’s small details like these that can make the experience feel more enjoyable and less clinical.
Moreover, the Maymom flanges are compatible with several bottle types, including Spectra’s wide-neck bottles, Avent bottles, and Maymom’s own wide-mouth bottles. This versatility is a game-changer for me, as it means I don’t have to worry about switching containers or dealing with incompatible parts. The availability of various flange sizes—ranging from 13mm to 32mm—ensures that I can find the perfect fit for my needs, which is essential for maximizing comfort and efficiency during pumping sessions.
Safety is always a top priority for me, especially when it comes to products that come into contact with my baby’s food. I was pleased to discover that the Maymom products are BPA and DEHP-free, and they comply with FDA standards for food contact. The fact that these products have been tested by independent labs adds an extra layer of reassurance. I appreciate that I can find the test reports online, allowing me to make informed choices about the products I use.
In terms of maintenance, I found the Maymom flanges and duckbill valves to be dishwasher-safe, which makes cleaning a breeze. They can also withstand steam cleaning, boiling water, and microwave steam bags without any issue. This convenience is essential for busy parents like me who need to keep things simple and straightforward.
if you are looking for a reliable, durable, and safe alternative to original Spectra pump parts, I wholeheartedly recommend the Maymom 20 mm Flange and Duckbill Valve. They perform exceptionally well, are compatible with various bottle types, and come in multiple sizes to suit your needs. Investing in these parts could significantly enhance your breastfeeding journey by providing comfort and efficiency, making it easier for you to focus on what really matters—bonding with your baby.
Feature Description Contents 2ct 20mm flanges and 2ct duckbill valves compatible with Spectra S1, S2, and 9 Plus breast pumps Compatibility Interchangeable with Spectra pump parts, performing the same suction power as OEM parts Duckbill Valve Features Easier to plug in and remove, durable quality, and available in color options Flange Compatibility Works with Spectra wide-neck bottles, Avent bottles, and Maymom wide-mouth bottles Available Sizes 13mm, 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 29mm, 30mm, 32mm Safety BPA/DEHP free, FDA compliant, and tested by independent labs Maintenance Dishwasher safe, can withstand steam cleaning, boiling water, or microwave steam bags
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2. Spectra Baby USA – Single Breast Flange – Small / 20mm

As a new parent, I understand the joys and challenges that come with breastfeeding. One of the most crucial aspects of making this journey a successful one is having the right tools at my disposal. That’s why I want to share my thoughts on the Spectra Baby USA Single Breast Flange in a small size of 20mm. This product is specifically designed to enhance the pumping experience, and after using it, I can confidently say that it is a game-changer for anyone looking to make breastfeeding easier and more efficient.
The Spectra Baby USA Single Breast Flange is meticulously crafted to ensure comfort and effectiveness. The small size is perfect for mothers who may find that standard flanges don’t fit properly, which can lead to discomfort during pumping. This flange’s design allows for a more natural fit, which is essential in preventing soreness and ensuring that the pumping experience is as pleasant as possible. By choosing the right flange size, I’ve noticed a significant improvement in my milk flow, making each pumping session more productive.
What I appreciate most about the Spectra Baby USA Single Breast Flange is its compatibility with various Spectra breast pumps. This versatility means that I don’t have to invest in a completely new pumping system; I can simply attach this flange to my existing pump. This feature not only saves me money but also simplifies my routine, allowing me to focus more on my baby and less on the logistics of pumping. For any mother seeking a reliable and effective pumping solution, this compatibility is a definite plus.
In addition to its practical benefits, the flange is made from high-quality materials that are safe for both mother and baby. I feel reassured knowing that I am using a product that prioritizes health and safety. The flange is also easy to clean, which is a crucial factor for any busy mom. With the demands of motherhood, I appreciate products that are not only functional but also easy to maintain. This flange checks all the boxes for convenience and usability.
For those who might be hesitant about making a purchase, I urge you to consider the long-term benefits that the Spectra Baby USA Single Breast Flange brings to your breastfeeding journey. Investing in the right tools can significantly reduce stress and enhance the experience of breastfeeding, making it more enjoyable for both mother and baby. I found that after using this flange, my overall pumping experience improved, and I felt more empowered in my breastfeeding journey.
I wholeheartedly recommend the Spectra Baby USA Single Breast Flange – Small / 20mm to any breastfeeding mother seeking comfort, efficiency, and compatibility with their breast pump. It’s a small investment for a product that can make a world of difference in your breastfeeding experience. Take the step towards a better pumping experience today. You and your baby deserve it!
Feature Benefit Small Size (20mm) Provides a comfortable fit, reducing soreness during pumping. Compatibility with Spectra Pumps Saves money and simplifies the pumping process. High-Quality Materials Ensures safety for both mother and baby. Easy to Clean Facilitates a hassle-free experience for busy moms.
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3. Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield (20 mm Two Flanges)

As a new mom, finding the right pumping accessories can feel overwhelming, especially with the plethora of options available on the market. However, I recently came across the ‘Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps,’ and I feel compelled to share my positive experience with this product. It offers not only compatibility with my Spectra pump but also a thoughtful design that enhances my pumping sessions.
The Maymom Wide Neck Pump Part includes two 20mm wide-mouth flanges, which are specifically designed for mothers with a nipple diameter of 18-19 mm, measured after pumping. This precise sizing is crucial for ensuring comfort and efficiency during each session. I found that having the right flange size can significantly impact the amount of milk I can express, making this product a game-changer for my breastfeeding journey. It’s comforting to know that I can continue to use my Spectra S1/S2 pumps effectively with these high-quality replacement parts.
One of the standout features of these flanges is that they are BPA-free and comply with US FDA regulations for plastics that contact food. As a mother, I am incredibly conscious about the materials that come into contact with my baby’s milk. Knowing that these flanges are safe for both my health and my baby’s gives me peace of mind. Furthermore, they are compatible with various wide-mouth bottles, including Spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles, which adds to their versatility. This flexibility allows me to easily transition between different bottles without the hassle of changing attachments.
Another practical advantage of the Maymom flanges is their ease of cleaning. Being dishwasher safe on the top rack means I can clean them without any extra effort. I can also use water steam or boiling water for sterilization, ensuring that my pumping accessories are always hygienic and safe for my baby. This convenience is particularly appealing to busy moms like me, who are often juggling multiple responsibilities.
Although these flanges are made by Maymom and are not original Spectra parts, I appreciate the quality and functionality they provide. It’s worth noting that Maymom is not affiliated with Uzinmedicare, the trademark owner of Spectra, but that does not detract from the effectiveness of the product. In fact, I found them to be a reliable and affordable alternative to original Spectra flanges, which can often be more expensive.
I wholeheartedly recommend the Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps to other mothers looking for quality, comfort, and efficiency in their pumping experience. With their thoughtful design, compatibility with various bottles, and ease of cleaning, they have truly enhanced my pumping sessions. If you’re on the fence about whether to make this purchase, I encourage you to take the leap. You’ll likely find that these flanges make a significant difference in your pumping routine.
Feature Description Compatibility Works with Spectra S1, S2, and 9 pumps Flange Size Includes two 20mm wide-mouth flanges Nipple Diameter Suitable for nipple diameters of 18-19 mm after pumping Material Safety BPA free and complies with US FDA regulations Compatibility with Bottles Compatible with Spectra, AVENT, and Maymom wide mouth bottles Cleaning Dishwasher safe (top rack) and can be sterilized with steam or boiling water Brand Made by Maymom, not original Spectra
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4. Momstouch 20mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts, Not Original, Replace Spectra Accessories.

As a new parent, I know that choosing the right breastfeeding accessories is crucial for a comfortable and efficient pumping experience. The ‘Momstouch 20mm Flange and Duckbill Valve’ is a product that caught my attention due to its impressive compatibility and thoughtful design. If you’re using the Spectra S1, S2, or 9 Plus breast pumps, you might find this replacement part to be a game-changer. Let me dive into why I think this product is worth considering.
First and foremost, the contents of this package are quite generous. It includes two 20mm flanges and two duckbill valves, which are essential for maintaining the functionality of your breast pump. Given that these parts are compatible with popular Spectra models, I appreciate that I can find reliable alternatives to the original accessories. This could potentially save me money in the long run without sacrificing quality. It’s also important to note that these parts are suitable for mothers with a nipple diameter of 15-17mm, which is a crucial measurement to ensure comfort and effectiveness during pumping.
What stands out to me is the compatibility and interchangeability of the Momstouch pump parts. They deliver the same suction power as the OEM (original equipment manufacturer) parts, which is a significant factor for anyone looking to maintain their milk supply. As a breastfeeding mother, I understand how vital every drop can be, and knowing that I can rely on these replacement parts gives me peace of mind. It’s reassuring to know that I don’t have to compromise on performance when opting for non-original accessories.
Another feature that I find quite beneficial is the ease of installation and removal of the duckbill valves. In the often hectic life of a new mother, the last thing I want is to struggle with complicated parts. The design of these valves allows for quick and hassle-free changes, which means more time spent with my baby and less time fiddling with equipment. Convenience is key during the early parenting days, and this product delivers on that front.
Moreover, the Momstouch flange is versatile. It can work with Spectra wide-mouth bottles, AVENT bottles, and even Momstouch wide-mouth bottles. This flexibility is fantastic, especially since many mothers like to have multiple options for storing expressed milk. With various flange sizes available from 13mm to 30mm, I can be confident that I’ll find the right fit for my needs, ensuring comfort and efficiency.
One of my top priorities as a breastfeeding mother is safety. The materials used in the Momstouch flanges and valves do not contain any BPA, a chemical often found in plastics that can be harmful. This gives me peace of mind, knowing that I’m using safe products for my baby. Additionally, the ease of sanitization—whether through steam, boiling water, or microwave-steam bags—means I can keep everything clean without excessive effort.
the Momstouch 20mm Flange and Duckbill Valve replacement set is an excellent option for mothers using Spectra pumps. It combines compatibility, performance, ease of use, and safety, making it a smart choice for anyone looking to enhance their pumping experience. If you’re on the fence about purchasing these replacements, I encourage you to give them a try. They might just be the solution you need to make breastfeeding a little easier and more efficient.
Feature Description Contents 2pc 20mm flanges and 2pc duckbill valves compatible with Spectra S1, S2, and 9 Plus breast pump. Compatibility Interchangeable with Spectra pump parts, performing at the same suction power as OEM parts. Ease of Use Duckbill valves are easy to install and remove, saving time during busy pumping sessions. Versatility Compatible with Spectra wide-mouth bottles, AVENT bottles, and Momstouch wide-mouth bottles. Flange Sizes Available in sizes from 13mm to 30mm for optimal comfort. Material Safety Made from BPA-free materials, safe for both mother and baby. Sanitization Can be sanitized using steam, boiling water, or microwave-steam bags.
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Why a 20 Mm Spectra Flange is Essential for My Projects
When I first started working with various materials in my projects, I quickly realized that having the right tools and components is crucial for achieving the best results. One piece of equipment that has made a significant difference in my workflow is the 20 mm Spectra flange. Its versatility and reliability have helped me tackle various challenges with ease.
One of the main reasons I appreciate the 20 mm Spectra flange is its durability. Made from high-quality materials, it withstands pressure and stress without compromising its integrity. I’ve used it in several applications, and I’ve never had to worry about it failing on me. This reliability has given me the confidence to push my projects further, knowing that I have a robust component that won’t let me down.
Additionally, the 20 mm Spectra flange offers excellent compatibility with a wide range of systems. Whether I’m working on plumbing, mechanical assemblies, or even DIY projects, this flange seamlessly integrates into my work. The ease of installation saves me valuable time, allowing me to focus on the creative aspects rather than getting bogged down by complicated setups.
Moreover, the precision engineering of the 20 mm Spectra flange ensures a perfect fit every
Buying Guide for 20 Mm Spectra Flange
Understanding Spectra Flanges
When I first encountered the term “Spectra flange,” I was intrigued by its applications and benefits. Spectra flanges are known for their high strength-to-weight ratio and resistance to abrasion. They are commonly used in various industries, including marine, aerospace, and automotive, which made me realize their versatility.
Why Choose a 20 Mm Size?
Opting for a 20 mm size was an easy decision for me. This size strikes a balance between strength and manageability, making it ideal for numerous applications. I found that the 20 mm flange can handle substantial loads while still being easy to work with and install.
Material Considerations
One of the most critical aspects of my purchasing decision was the material. Spectra is known for its durability and resistance to environmental factors. I looked for flanges made from high-quality Spectra fibers, ensuring they would last in demanding conditions without compromising performance.
Load Capacity and Strength
Before making my purchase, I thoroughly assessed the load capacity and strength ratings of the flanges I considered. I wanted to ensure that whatever I selected could withstand the specific demands of my project. This step helped me avoid potential failures down the line.
Compatibility with Existing Equipment
Compatibility was a significant factor for me. I needed to ensure that the 20 mm Spectra flange would fit seamlessly with my existing equipment. I measured all relevant dimensions and specifications to confirm that the flange would integrate well into my setup.
Ease of Installation
I prefer products that are straightforward to install. When looking at 20 mm Spectra flanges, I focused on those that came with clear installation guidelines. I appreciated knowing that I could set everything up without needing specialized tools or extensive technical knowledge.
Cost vs. Value
Budget considerations are essential for everyone, including me. I compared prices across different options, but I also weighed the value of the flanges. I learned that sometimes investing a little more upfront could save money in the long run due to durability and performance.
Customer Reviews and Feedback
Before finalizing my choice, I took the time to read customer reviews and feedback. Hearing about other people’s experiences helped me gauge the reliability and performance of the flanges I was considering. I found that real-world insights are invaluable in making an informed decision.
Warranty and Support
Lastly, I looked for products that came with a warranty. Knowing that the manufacturer stands behind their product gave me peace of mind. I also considered the availability of customer support in case I had questions or needed assistance after my purchase.
my journey to find the perfect 20 mm Spectra flange involved careful consideration of various factors. By taking the time to evaluate these elements, I felt confident in my final decision and excited about the benefits it would bring to my project.
Author Profile

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Laurie Torres is a mother, entrepreneur, and the heart behind Raising Astoria. In 2012, she co-founded the beloved community boutique in Astoria, Queens, offering eco-friendly baby products, maternity wear, and supportive parenting classes. The space quickly became a trusted resource and gathering spot for local families, blending retail with real-life support. Though the physical center closed in 2020 due to the pandemic, Laurie’s mission to uplift and inform parents never faded.
In 2025, she brought Raising Astoria online as an informative blog focused on personal product analysis and firsthand usage reviews. Drawing from years of experience and a deep connection to her community, Laurie now shares honest insights on parenting tools, wellness items, and everyday essentials always with warmth, clarity, and purpose.
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