Shanxi Kaisheng Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of 3inch pvc cap in China. Please feel free to buy CE approved 3inch pvc cap in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
Product Overview
The 3inch PVC Cap is designed to close the end of compatible PVC pipe and provide a practical termination point for plumbing, water supply, irrigation and other piping systems. Manufactured from PVC, it is available in specified connection configurations and can be supplied for project, distribution and OEM requirements.
Specification at a Glance
|
Item |
Specification |
|
Product |
3 Inch PVC Cap |
|
Nominal Size |
3 Inch |
|
Material |
PVC / uPVC |
|
Connection Type |
Socket / Solvent Weld |
|
Schedule |
Schedule 40 |
|
Color |
White / Gray / Other specified color |
|
Manufacturing Process |
Injection Molding |
|
Applicable Standard |
ASTM D2466 / Project Specification |
|
Application |
Plumbing, Water Supply, Irrigation, Fluid Piping |
|
Packaging |
Carton / Customized |
|
OEM Service |
Product Marking & Packaging Available |
|
Max Working Pressure |
260 PSI @ 73°F (23°C) |
|
Burst Pressure Rating |
Exceeds standard hydrostatic burst requirements for Sch 40 |
Product Engineering & System Compatibility
Virgin Grade Material: Manufactured from Type I, Grade 1 PVC compound (Cell Classification 12454 per ASTM D1784) with built-in UV-inhibiting additives, ensuring robust resistance to chemical corrosion, rust, and outdoor sun exposure.
Precision Socket & Anti-Ovalization: Utilizes high-precision steel molds with continuous inline monitoring. This guarantees uniform wall thickness, prevents out-of-roundness during cooling, and ensures a seamless, tight fit with standard IPS pipe outside diameters.
Reliable Solvent Welding: Internal socket geometry is optimized for smooth pipe entry and proper capillary action when paired with standard PVC primer and solvent cement, creating a secure, permanent chemical bond.
5-Step Quality Control Process
Material Check
PVC raw material is verified against required compound standards before production begins.
01
Molding Control
Injection parameters are continuously monitored to maintain stable fitting geometry.
02
Dimensional Inspection
Key dimensions of the cap and socket area are checked to eliminate variations that affect fitting.
03
Visual Inspection
Finished fittings are screened for surface flaws, molding defects, or irregularities.
04
Packing Inspection
Quantities, product identification, and carton requirements are verified prior to shipment.
05
Tailored Supply Options for Buyers
Standard Distribution: Repeatable specifications and steady inventory replenishment for plumbing and industrial suppliers.
Project Supply: Volume orders matched to specific engineering requirements, delivery schedules, and destination standards.
OEM & Private Label: Product marking, custom carton information, and bespoke packaging available for qualified orders.
Mixed Container Sourcing: Combine 3-inch caps with other PVC fitting types and sizes (elbows, tees, couplings) to optimize freight and inventory.
Frequently Asked Questions
Q: What types of primer and solvent cement are recommended for installation?
A: Standard purple primer and medium-bodied clear or gray PVC solvent cement formulated for Schedule 40 pressure piping systems will create a secure, permanent chemical bond.
Q: Can these caps withstand high-pressure water testing?
A: Yes, precision socket geometry and uniform injection molding enable these caps to safely handle standard structural pressure testing up to the rated limits of Schedule 40 piping.
Q: What is the standard packaging format for bulk ocean freight shipping?
A: Fittings are typically packed in reinforced export-grade corrugated cartons, palletized, and shrink-wrapped to prevent transit damage and optimize container space utilization.
Q: Can our company logo or custom SKU barcodes be printed on the fittings?
A: Yes, laser marking or custom embossing for logos and specific private-label barcodes are fully supported for OEM and volume orders.
Q: What documentation is provided with each commercial shipment?
A: Each shipment includes a Material Test Report (MTR), Certificate of Analysis (COA), and a detailed packing list verifying batch compliance with ASTM standards.
Q: Are these 3-inch PVC caps safe for potable drinking water systems?
A: Yes, manufactured from lead-free, non-toxic PVC compounds, these caps meet health standards for safe municipal and residential drinking water transport.
Q: What is the minimum order quantity (MOQ) for custom OEM logos or special colors?
A: MOQ varies based on the specific customization requirements; please contact our sales team with your branding or color (e.g., dark gray/sch 80 look) details for a prompt quote.
Q: Do you provide free product samples for quality evaluation before bulk ordering?
A: Yes, standard production samples are available upon request for quality and dimensional testing, with freight costs typically covered by the buyer.
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