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Help CenterPlastic Mouth Ring 3/4 Inch, Food Grade PP, 1/4 Turn Lock, 8 Bar Rated
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We are Anping County Boli Hardware Wiremesh Products Factory, a professional manufacturer established in 1998 with an annual export value of US$5 million to US$10 million. Our Plastic Mouth Ring 3/4 inch is made of high-quality food-grade polypropylene (PP) and features a secure 1/4 turn lock mechanism, rated for a working pressure of 8 bar. This product is specifically designed for reliable sealing in food processing, beverage dispensing, and water filtration systems, ensuring safety and durability in demanding environments.
The ring is precision-molded to meet standard 3/4 inch (DN20) connections, making it compatible with a wide range of pumps, tanks, and valves. Its 1/4 turn lock design allows for quick and easy assembly without tools, reducing installation time and labor costs. The food-grade PP material is non-toxic, odorless, and resistant to chemicals, corrosion, and high temperatures, making it ideal for repeated use in sterilized environments.
Key Technical Specifications
| Parameter | Value |
| Material | Food Grade Polypropylene (PP) |
| Size | 3/4 inch (DN20) |
| Connection Type | 1/4 Turn Lock |
| Rated Pressure | 8 Bar (116 psi) |
| Color | White (Custom colors available) |
| Operating Temperature | -20°C to 120°C (brief) |
| Application | Food & Beverage, Water Treatment, Chemical |
| Compliance | FDA 21 CFR 177.1520 (for food contact) |
Product Advantages & Customer Benefits
- High Pressure Resistance: Rated for 8 bar, suitable for moderate to high-pressure systems in breweries, soft drink machines, and reverse osmosis units.
- Food Grade Safety: Made from virgin PP that meets FDA standards for direct food contact, no BPA, phthalates, or heavy metals.
- Quick Locking Mechanism: The 1/4 turn lock provides a positive seal in seconds, eliminating the need for wrenches or clamps.
- Chemical Resistance: Resistant to acids, alkalis, alcohols, and many solvents, ensuring long service life in harsh environments.
- Versatile Compatibility: Standard 3/4 inch size fits most industry fittings, hoses, and couplers, reducing inventory complexity.
- Easy Maintenance: Smooth surface prevents residue buildup, easy to clean and sterilize in place (CIP).
- Cost-Effective: Injection-molded for consistent quality, lower cost compared to metal alternatives, and reusable.
Our Plastic Mouth Ring is widely used in dairy processing, beverage carbonation, water filtration, beer kegging, and chemical dispensing. It is an essential component for connecting a pump to a tank or a hose to a container, providing a leak-free seal under pressure. The 1/4 turn lock design ensures that the ring cannot be accidentally dislodged during operation, enhancing workplace safety.
With over 20 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our annual export value of US$5-10 million reflects our strong production capacity and commitment to quality. We use advanced injection molding machines and strict quality control processes to ensure each ring meets the required specifications. Our products are trusted by leading food and beverage equipment manufacturers worldwide.
We also offer customization options for color, packaging, and private labeling to meet your brand requirements. For bulk orders, we provide competitive pricing and timely delivery from our major ports: Tianjin, Qingdao, Shanghai, and Foshan. Contact us today for samples or a quotation, and experience the reliability of our Plastic Mouth Ring for your sealing applications.
Frequently Asked Questions (FAQ)
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Q: Is this ring suitable for hot water up to 100°C?
A: Yes, the food-grade PP material can withstand temperatures up to 120°C for short periods, making it suitable for hot water and steam cleaning. -
Q: What is the maximum pressure rating?
A: The ring is rated for 8 bar (116 psi) at room temperature. For higher pressures, please consult our engineering team for custom solutions. -
Q: Can it be used for carbonated beverages?
A: Absolutely. The 1/4 turn lock and PP material provide an excellent gas-tight seal, preventing CO2 leakage in carbonated drink systems. -
Q: Is the material BPA-free?
A: Yes, our polypropylene is virgin food-grade material and does not contain BPA or any harmful additives. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 500 pieces per size. For smaller quantities, we may offer samples or negotiate based on stock availability. -
Q: How do I install the ring?
A: Simply align the ring with the mating part, press down, and rotate 1/4 turn (90 degrees) until it clicks into place. No tools required. -
Q: Do you offer custom colors?
A: Yes, we can produce rings in any color you specify, with a minimum order quantity of 2000 pieces for custom colors. -
Q: What certifications do you have?
A: Our products comply with FDA food contact regulations. For specific certifications like NSF or WRAS, please contact us to discuss your requirements.
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