|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| Material: | PVC |
| Hardness: | Hard Tube |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Industry-leading Audited Factory
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Our high-performance rigid polyvinyl chloride (PVC-O) water supply pipes are a testament to quality and innovation, meticulously crafted from the finest polyvinyl chloride polymer materials. These pipes are enriched with essential additives to ensure unparalleled performance. With an impressive MRS ≥ 25Mpa, these pipes are expertly extruded and molded to precision. As a groundbreaking solution in the water supply sector, this product significantly elevates mechanical properties and enhances durability far beyond the capabilities of traditional PVC-U and PVC-M pipes. Experience the future of water supply with these revolutionary pipes, designed for enduring excellence.
The PVC-O water supply pipe is engineered with an advanced molecular chain structure of polyvinyl chloride, offering exceptional high strength and pressure endurance. Its remarkable ring stiffness and resilience against both internal and external pressures make it the perfect choice for pipe gallery installations. With outstanding toughness, high modulus, minimal shrinkage, and over 45% ring flexibility, this pipe ensures superior impact resistance. It skillfully manages material stress due to temperature variations, incorporating built-in plastic inspection wells with exceptional high-pressure sealing for a completely leak-proof system. Its ease of installation and quick construction lead to significant maintenance cost reductions, while the design life extends beyond 50 years. This makes it a low-investment yet highly cost-effective solution for all your water supply needs, combining efficiency and reliability into one innovative package.
| NO | item | technical specification |
| 1 | density (kg/m3) | 1350~1460 |
| 2 | Vicat softening temperature /ºC | ≥80 |
| 3 | Vertical retraction rate/ (%) | ≤5 |
| 4 | dipping test (15ºC,15min) | Surface change is not inferior to 4N |
| 5 | Drop weight impact test(0ºC)TIR/(%) | TIR≤5 |
| 6 | hydrostatic strength | No rupture, no leakage |
| 7 | Suitability (connection seal test, deflection test, negative pressure test) | No rupture, no leakage |
Trench Excavation Standards for PVC-O Water Supply Pipes and Optimal Backfill Soil Quality
1. Trench excavation must adhere to high industry standards to ensure success.
To prevent pipeline placement within delicate permafrost layers, it is vital to meticulously determine the trench excavation depth. By diligently analyzing and summarizing local geological data, efficient backfill operations are assured, crucial for safeguarding against pipeline and interface cracking due to bending stress. The following are indispensable requirements:
(1) Trenches must be precisely straight, ensuring a bottom width that exceeds the pipe's outer diameter by at least 0.5m, with an overall width of no less than 0.7m. This precision guarantees optimal stability and reliability.
(2) Maintain the bottom depth with rigorous precision, avoiding excessive or insufficient depth. In areas with substantial gravel, backfill and compact to determine levels. Where hard soil or obstacles arise, such as stones, trenches may subtly curve to facilitate construction. Curves must be gentle and depth consistent to prevent pipe bending, which imposes undue stress on the pipe, fittings, and joints. Elevated water supply pressure could lead to joint leakage or rupture.
2. Avoid issues related to permafrost foundations and potential trench settlement. In winter, ensure that pipe trenches rest securely on undisturbed soil or well-compacted backfilled ground. High soil moisture content may cause future permafrost thaw and trench settlement, resulting in pipe sinking, bending, and joint breakage under increased stress. Minor issues may cause joint separation and leaks, while severe cases lead to rupture.
3. Winter pipeline bonding must adhere strictly to established regulations.
The PVC-O tube adhesive, primarily formulated from PVC-O solvent, functions by applying adhesive to the socket's inner and outer surfaces. This induces expansion or dissolution on the PVC-O-polyurethane tube's surface, facilitating extrusion pressure to unite these surfaces during socket insertion. The adhesive's solvent volatilizes easily, returning the dissolved surface to a solid state, thus maintaining substrate strength and ensuring the bonding strength meets pressure requirements.
Precisely control the adhesive quantity-avoid scant amounts compromising sealing and strength, and prevent excessive application which may flow along pipe walls, leading to corrosion and softening. Overuse results in cracking under water or pressure. In cold conditions, slower adhesive volatilization increases penetration, weakening the pipe wall.
Adhere strictly to specification requirements for pipe bonding construction. Ensure adhesive application results in minimal overflow upon socket insertion, and promptly clean any excess. Apply glue from the socket interior outward to prevent unwanted flow into the pipe internals.
4. Considerations for Thermal Expansion and Contraction of Pipes
With a thermal expansion coefficient of 0.07mm (m · ºC), PVC-O water supply pipes exhibit more expansion than traditional materials. Account for temperature-induced longitudinal deformation, particularly in systems utilizing surface water sources.
Thanks to the versatile scalability of the rubber ring connecting pipe interface, expansion or contraction issues are easily mitigated. However, for bonded pipes-especially the open type-post-bonding, the interface becomes rigid, lacking flexibility. Without expansion joints, immense pressure from expansion or contraction could severely impact the pipe structure or fittings.
Discover a realm of connection methods with our pipes, offering the versatility of solvent adhesive, elastic sealing ring, and integrated rubber ring connections. Moreover, these pipes effortlessly connect to other varieties such as cast iron pipes through flanges or compatible adapters, providing a comprehensive solution for diverse piping needs.
Effortless Connection Program: Start by meticulously cleaning the working face ---- Next, apply a lubricant generously ---- Finally, ensure a precise counterpart insertion for optimal performance.
1. Before installation, meticulously verify the quality of pipes, fittings, and rubber rings. Ensure the working face of both the socket and its counterpart is spotless, ready for a seamless assembly.
2. During installation, strategically position the socket towards the direction of incoming water flow, optimizing the system's efficiency and reliability.
3. Generously apply lubricant to both the rubber ring and the insertion section, ensuring a smooth and seamless connection. It is essential to use the lubricant in moderation, as excess can seep into the socket groove, potentially disrupting the installation. This careful application significantly reduces the friction between the rubber ring and the groove wall, helping to prevent any potential overturning of the rubber ring. We highly recommend utilizing detergent and soapy water as lubricants for optimal results, enhancing the efficiency and longevity of the installation.
4. Carefully align the socket ports with precision, ensuring that the pipeline axis maintains perfect straightness. This meticulous alignment is crucial for guaranteeing stability and structural integrity, allowing the Heavy-Duty PVC Pipe for Efficient Water Supply to perform optimally and withstand rigorous conditions.
5. Equip both sides of the socket with appropriate wire rope sleeves for enhanced security, then use a tightener (or hand wrench) to pull them meticulously into the reticle. For medium-caliber pipes, position square wood at the port and gently tap it into the socket with a mallet, ensuring a precise fit that enhances the functionality and dependability of the pipeline system.
1,What's your minimum order quantity?
Our minimum order quantity is usually 1 CTN.
2,How long is the delivery cycle?
The delivery time is approximately 15 - 20 days. (If the quantity is less than 10 cartons, it will take about 3 - 5 days.)
3,Where is the port of shipment?
We ship the goods via Tianjin Port.
4,What are your payment terms?
We accept 30% telegraphic transfer as advance payment, 70% payment during the shipment period or 100% letter of credit.
5,How can I contact you?
You can contact us through the trade manager or click on "Contact Supplier" at the bottom to send us an email.
6,Where is your company located?
Our company is located in Cangzhou, Hebei Province, China. You are very welcome to visit us if you'd like.
7,How about the samples?
We can send samples to you. Most samples can be sent to most parts of China for free. If they are sent to other countries, the transportation cost should be borne by your side.
8,Why choose us?
Our products are genuine, of high quality and with competitive prices.
We have cooperated with customers all over the world and have a good understanding of the market.
You will be very satisfied with our after-sales service.
Any questions and feedback will be replied to within a very short time.
){kind=link}