429-030 3" Slip x Slip Coupling PVC SCH 40
$3.67
Designed for both durability and efficiency, the 3" Schedule 40 PVC Slip Coupling (Part #429-030) connects two 3" PVC pipes to create a seamless, leak-proof joint. Each end features a slip (socket) connection designed for solvent cement welding, producing a permanent, watertight seal ideal for pressurized systems.
Molded from premium rigid PVC, this coupling comes with exceptional strength, corrosion resistance, and chemical durability. Perfect for residential, commercial, and industrial plumbing, irrigation, and pool applications, it withstands up to 140°F (60°C) and meets all ASTM D1784 and NSF potable water standards. Lightweight yet durable, the coupling delivers a secure, long-lasting connection that supports both above-ground and buried installations.
Nominal Pipe Size: 3"
Schedule: 40
End Type: Slip x Slip
Max Service Temp: 140 F
Listings: NSF Safe for potable water applications
Standards: ASTM D1784
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429-030 3" Slip x Slip Coupling PVC SCH 40
Technical Specifications
Built from rigid Schedule 40 PVC, this coupling delivers long-lasting performance for a wide range of water and plumbing applications:
- Nominal Pipe Size: 3"
- End Type: Slip x Slip (Socket x Socket)
- Material: Rigid PVC (Polyvinyl Chloride)
- Schedule: 40
- Color: White
- Maximum Service Temperature: 140°F (60°C)
- Pressure Rating: 150 psi @ 73°F (typical for Schedule 40 fittings)
- Standards: ASTM D1784
- Listings: NSF certified for potable water applications
- Part Number: 429-030
- Product Family: Schedule 40 PVC
- Size: 3"
Engineered for performance and longevity, this coupling meets strict industry standards for quality and safety in both professional and DIY plumbing systems.
Typical Applications
The 3" Slip x Slip Coupling PVC SCH 40 is a versatile solution for connecting or extending PVC pipes in both large-scale and small-scale systems. Its corrosion-resistant build makes it a good fit for consistent, long-term use across all types of environments:
- Connects or extends 3" PVC pipes in high-volume water systems
- Commonly used in residential, commercial, agricultural, and municipal plumbing applications
- Ideal for irrigation systems, water distribution lines, and pool plumbing setups
- Corrosion-resistant construction maintains integrity even in outdoor or underground environments
- Smooth internal walls promote efficient water flow and reduced friction loss
Designed for dependable performance in demanding installations, this Schedule 40 coupling provides a strong, watertight seal that supports system efficiency and longevity.
Installation & Handling Tips
Proper installation is what makes a secure, watertight seal possible, extending the life of your plumbing system. Be sure to these best practices to achieve a professional-grade fit and long-lasting performance:
- Cut pipes squarely and deburr edges for a clean fit
- Wipe both the fitting sockets and pipe ends to remove dirt, oil, or debris
- Use PVC primer followed by ASTM D2564-approved solvent cement on both surfaces
- Insert the pipe fully into the socket, applying a gentle twist for even cement distribution
- Hold in place until the bond sets and wipe excess cement immediately
- Allow 15 minutes for handling and two full hours before pressure testing
- Store couplings in a cool, dry area away from any direct sunlight or UV exposure
Why Choose Maxx Supply?
When it comes to quality, Maxx Supply stands out as a trusted partner for professionals and DIY users alike. Our PVC fittings meet stringent industry standards and are backed by knowledgeable support and fast fulfillment.
- ASTM- and NSF-certified fittings for assured quality and compliance
- Expertly engineered for easy installation and precise fit
- Bulk ordering and volume pricing available for contractors and facility managers
- Fast, reliable shipping within 24 hours on most orders
- Trusted by plumbers, irrigation specialists, and construction professionals across North America
- Supported by a dedicated customer service team to help select the right components for your system
With Maxx Supply, you get professional-grade materials backed by responsive service and dependable performance.
Designed for both durability and efficiency, the 3" Schedule 40 PVC Slip Coupling (Part #429-030) connects two 3" PVC pipes to create a seamless, leak-proof joint. Each end features a slip (socket) connection designed for solvent cement welding, producing a permanent, watertight seal ideal for pressurized systems.
Molded from premium rigid PVC, this coupling comes with exceptional strength, corrosion resistance, and chemical durability. Perfect for residential, commercial, and industrial plumbing, irrigation, and pool applications, it withstands up to 140°F (60°C) and meets all ASTM D1784 and NSF potable water standards. Lightweight yet durable, the coupling delivers a secure, long-lasting connection that supports both above-ground and buried installations.
Nominal Pipe Size: 3"
Schedule: 40
End Type: Slip x Slip
Max Service Temp: 140 F
Listings: NSF Safe for potable water applications
Standards: ASTM D1784
- Part #:
- 429-030
- Product Family:
- Sch 40 PVC
- Size:
- 3"
