Create precision right-angle turns with Ruisongbuild’s ASTM standard PVC 90 degree elbows (also known as 1/4 bends). Compliant with ASTM D2466 (Sch 40) and ASTM D2467 (Sch 80), our slip x slip elbows provide a durable, leak-proof solvent weld for North American plumbing, pool, and industrial systems. Available in white and gray, these lead-free imperial fittings ensure maximum flow efficiency and high-pressure integrity.
描述
Ruisongbuild ASTM PVC 90° Elbows: The Industry Standard for 1/4 Bends
The 90-degree elbow is the essential component for changing direction in any rigid piping network. At Ruisongbuild, our ASTM standard PVC 90° elbows (commonly called Quarter Bends in the US) are injection-molded for superior wall thickness uniformity and burst strength. Designed for the North American Iron Pipe Size (IPS) system, these fittings offer a seamless, permanent solvent-welded joint for a wide array of pressurized and gravity-fed applications.
Technical Specifications & Engineering Standards
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Material: High-Impact Unplasticized PVC (聚氯乙烯).
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Manufacturing Standards: ASTM D2466 (Schedule 40) / ASTM D2467 (Schedule 80).
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Dimensions: IPS (Iron Pipe Size) system, measured in Inches.
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Common Names: 90 Elbow, 90° Bend, 1/4 Bend, Quarter Bend.
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Connection Type: Slip x Slip (Socket x Socket).
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Pressure Ratings: Varies by pipe size and Schedule (Sch 80 offers higher PSI).
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Color Identification: White (Sch 40) & Industrial Gray (Sch 80).
Why Ruisongbuild 90° Elbows Excel?
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True Interference Fit: Our sockets are designed with a precision-engineered taper, ensuring a snug fit that facilitates a perfect chemical weld with ASTM pipes.
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Superior Material Purity: 100% lead-free and non-toxic, meeting all health requirements for potable (drinking) water and delicate aquaculture environments.
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Maximum Flow Rate: The internal radius is optimized to minimize turbulence and maintain consistent system pressure throughout the turn.
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Rugged Durability: Resistant to UV degradation (White Sch 40) and highly aggressive chemicals (Gray Sch 80), ensuring a 50+ year service life.
Primary Applications
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Residential & Commercial Plumbing: Drinking water mains and household plumbing.
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Swimming Pools & Hot Tubs: High-flow circulation systems (typically White Sch 40).
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Industrial Process Piping: Corrosive fluid transport and plant infrastructure (typically Gray Sch 80).
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Irrigation Systems: Mainlines and lateral grids for landscaping and agriculture.
Comparison: Schedule 40 vs. Schedule 80 Elbows
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Sch 40 (White): Standard wall thickness. Best for home use, irrigation, and pools. Most cost-effective.
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Sch 80 (Gray): Extra-thick wall. Best for industrial high-pressure pumping and chemical lines. Higher cost but maximum safety.
Frequently Asked Questions
Q1: What is a “1/4 Bend” in PVC fittings?
A: In North America, a 1/4 bend is simply another name for a 90-degree elbow. It refers to the turn being one-quarter of a full 360-degree circle.
Q2: Can I connect an ASTM 90° elbow to a Metric (DIN) pipe?
A: 不. ASTM fittings use the imperial system (inches), while DIN fittings use the metric system (millimeters). A 2-inch ASTM elbow will not fit a 50mm or 63mm DIN pipe. You must stay within the same standard for a secure fit.
Q3: Are these 90-degree elbows safe for potable water?
A: Yes. Ruisongbuild ASTM PVC fittings are lead-free, non-toxic, and safe for drinking water distribution, aquaculture, and hydroponic systems.
Q4: Do I need to use primer before gluing the elbow?
A: Yes. For a permanent, leak-proof bond, we highly recommend using a PVC primer followed by solvent cement. The primer cleans and pre-softens the surface, ensuring a true chemical weld.
Q5: What is a “Slip x Slip” connection?
A: A “Slip” connection is a smooth socket that slides over the end of the pipe. It is the standard connection for PVC systems that are permanently joined using solvent cement.
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