Streamline your plumbing maintenance with Ruisongbuild’s white UPVC metric unions. Designed for easy disconnection of pumps, filters, and tanks, these 3-piece pipe unions feature a high-quality EPDM O-ring for a 100% leak-proof seal. Made from lead-free, non-toxic white UPVC, they are the perfect solution for potable water, swimming pools, and residential irrigation systems. Enjoy a “fit-and-forget” connection with the reliability of DIN standard engineering.
描述
Ruisongbuild White UPVC Unions: The Professional Choice for Modular Plumbing
A Union (locally known as “由令” in China) is the most versatile fitting for any piping system that requires periodic servicing. Unlike a standard coupling, the Ruisongbuild White UPVC Union allows you to separate your pipeline into sections simply by unscrewing the central nut. This makes it an indispensable component for connecting high-value equipment like water pumps, UV sterilizers, and pool filtration units.
Technical Specifications
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Material: High-Purity White Unplasticized PVC (聚氯乙烯).
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Sealing: Includes a precision-fitted EPDM O-ring.
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Standard: Compliant with DIN (Metric) standards.
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Size Range: 20mm, 25mm, 32mm, 40mm, 50mm, 63mm up to 110mm.
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Pressure Rating: PN10 / PN16 (Suitable for pressurized water systems).
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Appearance: Clean White finish (Ideal for exposed residential installations).
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Joint Type: Solvent Weld (Socket x Socket).
Key Features & Advantages
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Easy Disassembly: Allows for quick removal of equipment for cleaning or replacement without cutting the pipes or reworking the entire system.
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Lead-Free & Non-Toxic: Manufactured from food-grade UPVC, ensuring it is safe for drinking water and sensitive aquatic environments.
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Precision Threads: The heavy-duty union nut features smooth, high-torque threads that can be hand-tightened for a secure seal.
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Weather & Chemical Resistance: While designed for water, the white UPVC material is resistant to common household chemicals and maintains its strength in varying climates.
Ideal Applications
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Swimming Pools & Hot Tubs: Connecting heaters and circulation pumps.
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Home Water Filtration: Safe connection for reverse osmosis and whole-house filters.
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Aquaculture & Aquariums: Easy-to-clean plumbing for fish tanks and farm ponds.
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Garden Irrigation: Detachable nodes for seasonal watering systems.
Frequently Asked Questions
Q1: What is the main purpose of a PVC Union?
A: A PVC union is used to create a detachable joint between two pipes. Unlike a coupling which is glued permanently, a union can be unscrewed, allowing you to remove a section of pipe or a piece of equipment (like a pump) for maintenance without cutting the system.
Q2: Is the O-ring included with Ruisongbuild Unions?
A: Yes. Every Ruisongbuild white UPVC union comes with a pre-installed, high-performance EPDM O-ring to ensure a watertight seal.
Q3: Can I use this white union with gray PVC pipes?
A: Yes, as long as both the pipe and the union follow the same standard (e.g., both are Metric/DIN). The color is primarily for identification or aesthetic purposes; white is often used for potable water or residential systems.
Q4: How do I install a PVC Union?
A: 1. Unscrew the union into its three parts. 2. Slide the large nut onto one pipe. 3. Solvent weld the two end pieces onto the pipe ends. 4. Bring the pipes together and tighten the nut onto the threads to compress the O-ring.
Q5: Should I use pipe dope or Teflon tape on the union threads?
A: 不. You should not use tape or dope on the large union nut threads. The seal is made by the O-ring inside. Adding tape can prevent the nut from tightening fully and may actually cause a leak.
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