Shanxi Kaisheng Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of pvc pipe fittings nbr5688 in China. Please feel free to buy CE approved pvc pipe fittings nbr5688 in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
Product Overview
PVC Pipe Fittings Nbr5688 are PVC-U connection fittings for building drainage, soil and waste discharge, rainwater, and gravity-flow piping systems. Designed for use with compatible PVC pipes, they support socket connections with solvent cement and are available in elbows, tees, couplings, reducers, and other configurations.

Technical Specifications & Fitting Types
|
Parameter |
Specification Details |
|
Product Name |
PVC-U Pipe Fittings |
|
Manufacturer |
Shanxi Kaisheng Plastic Co., Ltd. |
|
Material |
Unplasticized Polyvinyl Chloride (PVC-U) |
|
Applicable Standard |
NBR 5688, ISO, or client-specified standards |
|
Size Range (Nominal Diameter) |
DN20 to DN315 (custom sizes available upon request) |
|
Connection Method |
Solvent Cement Socket Connection / Threaded Connection |
|
Standard Color |
White, Grey, or customized according to order specifications |
|
Working Temperature |
0°C to 60°C (standard operating range) |
|
Minimum Order Quantity (MOQ) |
Negotiable based on size and stock availability |
Available Fitting Types

Elbows: 90° Elbow, 45° Elbow, Reducing Elbow
Tees: Equal Tee, Reducing Tee, Sanitary Tee
Couplings: Straight Coupling, Repair Coupling, Expansion Coupling
Reducers: Concentric Reducer, Reducing Bushing
Branch Fittings: Y-Branch (Wye), Double Y-Branch, Cross Tee
Caps & Plugs: End Cap, Cleanout Plug
Adapters & Unions: Female/Male Threaded Adapters, PVC Unions
Rigorous Quality Control
Dimensional Inspection: Routine checks on outside diameter (OD), wall thickness, socket depth, and angular alignment.
Physical & Mechanical Testing: Impact resistance, tensile strength, and Vicat softening temperature evaluations.
Connection & Fit Testing: Sample assembly checks with standard PVC pipes to verify joint clearance and solvent weld performance.
Batch Traceability: Each production run is documented with unique batch codes for complete quality accountability.
Customization Options
Dimensional Customization: Production based on specialized engineering drawings or non-standard metric/imperial specifications.
Color Matching: Custom colors (e.g., dark grey, white, orange-brown) available for bulk orders.
Private Labeling & OEM: Custom laser printing, embossed logos, and tailored carton/pallet marking.
Packaging Solutions: Heavy-duty export cartons, woven bags, or reinforced wooden pallets designed for container shipping safety.
Production & Supply
Production Capacity: 24 automated injection molding lines, with monthly PVC fitting capacity exceeding 1,200 tons.
Lead Time: Standard orders typically ship within 15–25 days; stocked products can be dispatched faster.
Global Shipping: Export experience across Southeast Asia, the Middle East, Africa, Eastern Europe, and Latin America, with shipping support through major Chinese ports.





Frequently Asked Questions
Q: Do you support mixed container loading for different fitting sizes and types?
A: Yes, we allow multiitem consolidation in a single FCL container to optimize your shipping costs and inventory variety.
Q: Are physical samples available for laboratory testing or client approval before placing a bulk order?
A: Yes, free samples can be dispatched promptly via international courier, with freight costs negotiable based on project potential.
Q: What are your accepted international payment terms for new and recurring export orders?
A: We commonly accept T/T (Telegraphic Transfer) with a 30% advance deposit and 70% balance against copy of Bill of Lading, alongside L/C at sight for qualifying accounts.
Q: Can you provide customized laser marking or privatelabel box packaging with our company logo?
A: Yes, we offer full OEM services including custombranded cartons, barcodes, and laseretched product logos for established distributors.
Q: What is your standard production lead time for a 40foot highcube container order?
A: Our standard manufacturing cycle takes 15 to 25 days depending on the specific seasonal workload and SKU complexity.
Q: How do you handle export customs documentation and destination clearance compliance?
A: We provide complete commercial invoicing, packing lists, certificates of origin (CO), and bills of lading tailored to clear customs smoothly in your destination port.
Q: Do you allow thirdparty preshipment inspection (PSI) agencies like SGS or BV prior to final container loading?
A: Yes, we fully cooperate with your designated independent inspection agents to verify product quality and quantity before factory release.
Q: What is your policy and procedure if minor shipping damages or transit defects occur?
A: We replace any defective or damaged items in your subsequent container shipment upon receiving photo and video evidence within 7 days of port arrival.
Q: How can we protect our local distribution rights or regional project bids from duplicate sourcing?
A: We can establish exclusive regional distribution agreements or projectprotected pricing frameworks upon meeting mutually agreed annual sales targets.
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