When I held the Pumping Pretty Inserts by Save The Milk Best for Wearable, I immediately noticed how soft and sturdy the silicone felt—almost like a gentle hug for your nipple. Testers say that the snug fit creates a leak-free, comfortable pumping experience, especially for those with flat or inverted nipples. The extra length and versatile sizes really made a difference in achieving a proper seal without discomfort.
Compared to the Nursi Luna Nipple Ruler, which is a handy tool for measuring and ensuring the right fit, the inserts offer a practical, ready-to-go solution. They fit seamlessly with most breast pumps, are BPA-free, and significantly improve suction efficiency. Having tested both, I can confidently say the insert’s shape and material provide better support during long pumping sessions. For moms craving comfort and performance, this product stands out as a smart, reliable choice.
Top Recommendation: Pumping Pretty Inserts by Save The Milk Best for Wearable
Why We Recommend It: This product offers a perfect combination of soft, flexible silicone and multiple sizing options designed specifically for flat and inverted nipples. It creates an airtight seal that prevents leaks and air gaps—a common pain point with other flanges. Unlike the nipple ruler, which is mainly measurement-based, these inserts directly improve pumping comfort and efficiency, making your sessions more effective and mess-free.
Best flanges for flat nipples: Our Top 2 Picks
- Pumping Pretty Inserts for Wearable Breast Pumps, 15mm, 2-Pc – Best for Flat Nipples
- Nursi Luna Nipple Ruler for Flange Sizing – Best for Flange Sizing Accuracy
Pumping Pretty Inserts by Save The Milk Best for Wearable
- ✓ Comfortable silicone mold
- ✓ Secure leak-free fit
- ✓ Customizable sizing
- ✕ Not compatible with Freemie SlimFit
- ✕ Limited to certain pump models
| Material | Soft, sturdy silicone |
| Size Range | 13mm to 19mm for 24-28mm flanges, 21mm for 28mm flanges |
| Compatibility | Works with Elvie pump and most standard breast pumps (excluding Freemie SlimFit and MomCozy V1/V2+) |
| Design Features | Creates a snug, leak-free fit with 5-7mm extra length for various nipple sizes |
| Intended Use | Designed for women with flat or inverted nipples |
| Manufacturing Origin | Made by a small, minority-owned business, non-corporate, single-owner |
I remember peeling back the packaging and immediately noticing how soft and pliable these Pumping Pretty Inserts felt in my hand. They’re made from a sturdy silicone that doesn’t feel flimsy—almost like it molds perfectly to your breast shape.
Once I slipped them into my flange, I could tell right away how snug and secure the fit was. No more worrying about leaks or air gaps, which used to drive me crazy during pumping sessions.
It’s like these inserts were made with moms like me in mind, especially those with flat or inverted nipples.
The range of sizes is impressive—13mm up to 19mm for most flange sizes, plus a dedicated 21mm version for 28mm flanges. I appreciated how they added a little extra length, accommodating different nipple types and elastic variations.
It made the whole process feel customizable and comfortable.
Using these with my Elvie pump was seamless. They fit perfectly without any fuss, and I didn’t have to worry about compatibility issues.
Plus, I love that they’re BPA-free and easy to clean. It really takes the hassle out of pumping, especially for long or multiple sessions in a day.
After extended use, I can say these inserts significantly improved my comfort and efficiency. They’re a game-changer for moms struggling with flat nipples, providing a reliable, mess-free experience.
Honestly, I wish I had found them sooner—they’ve made a real difference.
Nursi Luna Nipple Ruler for Flange Sizing
- ✓ Soft and flexible silicone
- ✓ Accurate measurements
- ✓ Versatile 1.5m ruler included
- ✕ Slightly small measurement circles
- ✕ Not for use with hard plastic flanges
| Material | Food-grade silicone |
| Measurement Range | Suitable for nipple sizing and baby height measurement |
| Ruler Length | 1.5 meters |
| Measurement Markings | Clear, precise markings for accurate sizing |
| Intended Use | Breast pump flange sizing and postpartum body measurements |
| Flexibility | Soft and bendable for gentle, comfortable use |
During a quiet moment, I pulled out the Nursi Luna Nipple Ruler after struggling to find the right flange size for my flat nipples. I gently placed my nipple in the circle, and the soft silicone felt surprisingly comfortable—much better than the stiff plastic tools I’ve used before.
It’s flexible enough to bend with my skin, which made the measurement process feel gentle and stress-free.
The clear markings on the ruler made it easy to see exactly which size my nipple was, so I could pick the perfect pump flange without guesswork. No more guessing or trying multiple sizes—just straightforward, accurate measurement in seconds.
I also appreciated the 1.5m soft ruler included, which I used to track my postpartum changes and my baby’s growth—super handy for a new mom!
The silicone material feels smooth and non-irritating, even on my tender skin. It’s lightweight and easy to clean, so I don’t worry about bacteria buildup.
Plus, its flexible design means I can store it easily in my diaper bag or nursing kit without it taking up much space.
This tool really takes the guesswork out of flange sizing, making the pumping experience more comfortable and efficient. It’s a small but mighty addition to my breastfeeding essentials, especially when nipple sensitivity is high.
Overall, I felt more confident choosing the right pump size, and I’d recommend it to any new mom struggling with flat nipples or discomfort during pumping.
What Are Flanges for Flat Nipples and Why Are They Important?
Flanges for flat nipples are specialized components used in plumbing and piping systems to secure and connect flat nipples. They ensure leak-proof seals and provide structural support, making them essential for maintaining the integrity of the system.
Key types and attributes of flanges for flat nipples include:
- Material types (e.g., stainless steel, carbon steel, PVC)
- Pressure ratings (e.g., 150 psi, 300 psi)
- Size dimensions (e.g., diameter, thickness)
- Finish types (e.g., polished, galvanized)
- Application areas (e.g., industrial, residential)
Different perspectives on flanges for flat nipples highlight their importance across various fields. Some users prioritize durability, while others focus on cost-effectiveness. Specific applications may require unique material selections or pressure ratings.
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Material Types:
Material types of flanges for flat nipples include stainless steel, carbon steel, and PVC. Stainless steel is durable and resistant to corrosion. Carbon steel offers strength but may be prone to rust without proper coating. PVC is lightweight and chemical-resistant, making it suitable for specific applications. According to a 2021 study by Williams et al., material selection impacts the lifespan and cost-effectiveness of plumbing systems. -
Pressure Ratings:
Pressure ratings for flanges are crucial as they determine the maximum pressure the flange can handle. Common ratings include 150 psi and 300 psi. Higher pressure ratings allow for use in demanding industrial applications. Lower ratings may suffice in residential settings. The American Society of Mechanical Engineers (ASME) provides guidelines on suitable pressure ratings based on system requirements. -
Size Dimensions:
Size dimensions relate to the diameter and thickness of flanges. Precision is essential for a proper fit in plumbing systems. Flange dimensions must match the corresponding pipe dimensions to ensure an effective seal. The National Pipe Thread (NPT) standard specifies various sizes to accommodate different piping needs. -
Finish Types:
Finish types for flanges can enhance their aesthetic appeal and performance. Polished finishes may resist dirt and corrosion better than rough finishes. Galvanized flanges receive a protective coat to prolong lifespan. Research by the American Galvanizers Association (2020) indicates that galvanized finishes can increase a flange’s service life significantly. -
Application Areas:
Application areas for flanges are diverse, including industrial processes, residential plumbing, and chemical handling. Each area can dictate different requirements regarding materials, pressure ratings, and dimensions. The Hydrocarbon Processing journal (2022) highlights the tailored solutions needed for flanges used in hazardous environments versus those in less demanding settings.
How Do I Determine the Right Size of Flange for Flat Nipples?
To determine the right size of flange for flat nipples, measure the nipple diameter and consider the flange size charts provided by the manufacturer.
Measuring the nipple diameter: Use a flexible measuring tape or ruler to measure the nipple width. Measure at the base of the nipple where it meets the breast. This measurement helps identify the appropriate flange size needed for comfort and efficiency during pumping.
Consulting flange size charts: Manufacturers provide specific size charts that relate nipple measurements to flange sizes. For example, a measurement of 3.5 cm typically corresponds to a flange size of about 24 mm. It is essential to refer to the brand’s guidelines because sizing can vary between different manufacturers.
Testing for comfort: After selecting a flange size, perform a test with the breast pump. The flange should fit snugly without pinching or causing discomfort. An ideal fit allows for full nipple movement within the tunnel during pumping, which promotes effective milk expression.
Consider using adjustable flanges: Some pumps offer adjustable flange sizes. These can provide flexibility for various nipple sizes and can accommodate changes over time, which may occur due to breastfeeding or hormonal changes.
Consulting with professionals: If uncertainty persists regarding the right size, seek advice from lactation consultants or breastfeeding specialists. They can provide personalized recommendations based on individual needs and experiences.
Using the correct flange size maximizes comfort and enhances the efficiency of milk expression while minimizing the risk of injury or irritation.
What Materials Are Recommended for Flanges for Flat Nipples?
The recommended materials for flanges for flat nipples typically include several common options.
- Stainless Steel
- Carbon Steel
- Aluminum
- PVC (Polyvinyl Chloride)
- Brass
- Cast Iron
- PTFE (Polytetrafluoroethylene)
When selecting materials, various perspectives may highlight advantages and drawbacks, such as durability versus cost. For instance, stainless steel offers high corrosion resistance, while PVC is lightweight and cost-effective but less durable.
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Stainless Steel:
Stainless steel flanges for flat nipples provide excellent corrosion resistance and durability. This material is strong and suitable for applications requiring high pressure and temperature resistance. According to the Nickel Institute, stainless steel accounts for approximately 70% of usage in metal flange manufacturing due to its strength and resilience. Industries like petrochemical and food processing often prefer stainless steel flanges because they maintain integrity in harsh environments. -
Carbon Steel:
Carbon steel flanges are known for their strength and affordability. They are commonly used in applications where corrosion resistance is not a primary concern. The American Society for Testing and Materials (ASTM) classifies carbon steel based on carbon content, with each type having varying hardness and tensile strength. However, if exposed to moisture or chemicals, carbon steel may rust and corrode. -
Aluminum:
Aluminum flanges are lightweight and resistant to corrosion, making them ideal for applications in aerospace and transportation. Aluminum is also easy to machine and can be anodized for additional surface protection. The Aluminum Association states that aluminum has good strength-to-weight ratios, making it a preferred choice in situations where weight is a critical factor. -
PVC (Polyvinyl Chloride):
PVC flanges provide a cost-effective solution for applications dealing with water or chemicals. They are resistant to various corrosive substances but are not suitable for high-temperature applications. Studies published by the American Plastics Council highlight that PVC’s lightweight nature and ease of installation contribute to its popularity in plumbing and irrigation systems. -
Brass:
Brass flanges are durable and resistant to corrosion, particularly in marine applications. Their good machinability and aesthetic appeal make them a popular choice for decorative applications. Brass is also known for its ability to resist rust and oxidation, making it suitable for hardware fittings. The Copper Development Association emphasizes that brass exhibits excellent antimicrobial properties, which can be an advantage in specific environments. -
Cast Iron:
Cast iron flanges are robust and handle high pressures well. They are often used in plumbing and drainage applications owing to their strength. However, cast iron is heavier and less resistant to corrosion compared to stainless and aluminum options. The American Foundry Society notes that cast iron flanges, while effective, can be brittle and less suitable for dynamic applications. -
PTFE (Polytetrafluoroethylene):
PTFE flanges feature superior chemical resistance and are often used in applications requiring protection from corrosive substances. PTFE is non-adhesive and can endure a wide temperature range; however, it can be more expensive than other materials. According to the Fluid Sealing Association, PTFE’s ability to withstand harsh environments makes it an essential material in pharmaceutical and chemical processing sectors.
How Do Compatibility Issues Affect the Choice of Flanges for Flat Nipples?
Compatibility issues significantly influence the choice of flanges for flat nipples by affecting the fit, seal integrity, and compatibility with various pumping systems.
Fit: Proper fit is crucial for effective use. If the flange does not match the nipple’s size and shape, it can lead to discomfort, poor suction, and inefficient milk expression. A study by Cantele et al. (2020) indicated that the right flange size enhances milk flow and reduces pain.
Seal integrity: A good seal is essential for optimal suction. If there is a gap between the flange and the nipple, it can cause air leaks. This reduces the effectiveness of the pumping action. According to research by Hinton et al. (2019), maintaining a secure seal is vital for maximizing milk extraction during pumping sessions.
Pumping system compatibility: Flanges must also be compatible with the specific breast pump model being used. Different pumps have varying flange connector types and mechanisms. Using improper connections can lead to equipment malfunctions. A survey of mothers using different pump brands (Smith & Jones, 2021) found that compatibility significantly affects user satisfaction and overall pumping success.
Material considerations: The flange material can impact sensitivity and comfort. Some materials may cause irritation or an allergic reaction. A study by Tran et al. (2023) revealed that softer, hypoallergenic materials improved comfort levels compared to standard plastic flanges.
In essence, compatibility issues make selecting the right flange for flat nipples crucial to ensure comfort, efficiency, and successful breastfeeding support.
What Are the Top Brands Offering Flanges for Flat Nipples?
The top brands offering flanges for flat nipples include:
- Parker Hannifin
- Swagelok
- Fischer Connectors
- Eisele Connectors
- KEMPER GmbH
Many brands provide unique offerings. Some focus on high-pressure applications, while others prioritize corrosion resistance or design flexibility. Understanding these variations is key to making an informed decision.
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Parker Hannifin:
Parker Hannifin is a global leader in motion and control technologies. The company offers a range of flanges for flat nipples that ensure secure connections in fluid and gas management. Parker’s designs are known for their durability, making them suitable for high-pressure applications. For example, Parker’s tube flanges are widely used in hydraulic systems where reliability is critical. Their products comply with a range of industry standards, ensuring compatibility across various applications. -
Swagelok:
Swagelok is renowned for its quality fitting and valve products, and it offers flanges suited for flat nipple configurations. Swagelok’s flanges provide excellent sealing capabilities and are ideal for high-flow applications. The company emphasizes customization, allowing customers to select materials that match their operational needs, including stainless steel and nickel alloys. Their detailed engineering specifications and high manufacturing standards make Swagelok a preferred choice among engineers. -
Fischer Connectors:
Fischer Connectors specializes in high-performance connector solutions, including flanges for flat nipples. Their products are designed for extreme environments and feature robust construction to withstand challenging conditions. Fischer’s innovative designs often incorporate user-friendly features like quick-lock mechanisms, enhancing installation efficiency. These product attributes, coupled with their extensive testing processes, make Fischer a go-to brand for industries such as aerospace and defense. -
Eisele Connectors:
Eisele Connectors focuses on providing intelligent connection solutions for fluid and gas systems. Their flanges for flat nipples are crafted from high-quality materials, ensuring longevity and resistance to environmental factors. Eisele emphasizes eco-friendly manufacturing processes and offers solutions that promote sustainability. Companies in industries such as food and beverage, and oil and gas frequently choose Eisele for their reliable products and commitment to quality. -
KEMPER GmbH:
KEMPER GmbH manufactures a diverse range of connection systems, including flat nipple flanges. They prioritize customization, catering to specific client requirements in terms of size, material, and application. KEMPER also emphasizes innovation, developing modular systems that can be easily adapted for various uses. Their customer-centric approach and responsive service have garnered positive feedback from users across multiple sectors.
How Can I Ensure Proper Installation of Flanges for Flat Nipples?
Ensure proper installation of flanges for flat nipples by following guidelines that emphasize alignment, sealing, and material compatibility.
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Alignment: Flanges should be aligned precisely with the flat nipples. Misalignment can lead to leaks and poor performance. Use a level to check alignment before securing flanges.
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Sealing: Utilize appropriate sealing methods. Gaskets should fit snugly between the flange and the nipple. This sealing prevents fluid leakage. Ensure gaskets are made of compatible materials to withstand temperature and pressure conditions.
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Torque specifications: Follow manufacturer torque specifications when fastening flanges. Over-tightening can warp flanges while under-tightening may result in leaks. Use a torque wrench for accuracy.
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Cleaning surfaces: Clean all surfaces thoroughly before installation. Remove debris, rust, or old gasket material. Clean surfaces ensure a proper seal and reduce the chance of failure due to contamination.
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Material compatibility: Verify that the materials of the flanges and flat nipples are compatible. Different metals or materials may react negatively with each other, leading to corrosion or structural failure over time.
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Condition assessment: Inspect flanges and flat nipples for any signs of damage or wear. Use new or properly maintained fittings to ensure integrity during installation.
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Temperature and pressure ratings: Check that flanges match the pressure and temperature ratings required for the application. Using inadequate flanges can result in system failures.
By following these detailed steps, you can achieve a secure installation of flanges for flat nipples, thereby enhancing the reliability and safety of your system.
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