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| Customization: | Available |
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| Material: | PVC |
| Hardness: | Hard Tube |
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Introducing our superior Efficient PVC-O Water Pipes, meticulously engineered from high-grade polyvinyl chloride polymer materials, enriched with essential additives to ensure unparalleled performance. Boasting a Minimum Required Strength (MRS) of ≥ 25Mpa, these pipes are extruded and molded with precision, representing a groundbreaking advancement in the realm of water supply solutions. This innovation significantly enhances both the mechanical properties and durability, far surpassing traditional PVC-U and PVC-M pipes, setting new standards for reliability and longevity in water supply infrastructure.
Our PVC-O water supply pipe features an advanced molecular structure of polyvinyl chloride, providing unrivaled strength and pressure endurance. It excels in ring stiffness and resists both internal and external pressures, making it the perfect choice for pipe gallery installations. With remarkable toughness, a high modulus, minimal shrinkage, and over 45% ring flexibility, this pipe ensures superior impact resistance. It efficiently handles stress from temperature fluctuations in pipe galleries and features integrated plastic inspection wells for excellent high-pressure sealing, ensuring a leak-proof pipeline system. Its user-friendly installation and rapid construction drastically cut maintenance costs, while its impressive design life of over 50 years offers a smart, low-investment, yet highly cost-effective solution for all your water supply demands.
| 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. Meticulously crafted trench excavation is vital, adhering to the highest industry standards to secure a flawless installation.
To ensure pipelines avoid permafrost layers, determining trench excavation depth must be guided by local geological insights. This methodology guarantees efficient backfill processes, crucial in averting pipeline and interface cracking from bending stress. Key directives include:
(1) Trenches should be perfectly linear, maintaining a bottom width exceeding the pipe's outer diameter by 0.5 meters, with a minimum total width of 0.7 meters to guarantee superior stability.
(2) Maintain exacting standards for trench bottom depth-achieve the perfect balance, avoiding excessive or insufficient depth. Overcome gravel depth by backfilling and compacting to desired levels. When encountering hard soil or obstructions, gentle trench curves are permissible to simplify construction. Uphold consistent depth and gentle curves to thwart pipe bending, which can induce stress on pipes, fittings, and joints. Elevated water supply pressure may provoke joint leakage or rupture.
2. Safeguard against permafrost-related foundation challenges and potential trench settlement. During colder months, ensure trenches rest on undisturbed or well-compacted backfilled terrain. Elevated soil moisture levels can cause permafrost melting and trench settlement, leading to pipe sinking, bending, and joint breakage under increased stress. Minor issues may result in joint separation and leaks, while severe cases lead to ruptures.
3. Conduct winter pipeline bonding with unwavering adherence to established protocols.
PVC-O tube adhesive, composed chiefly of PVC-O solvent, operates by applying adhesive to the socket's inner and outer surfaces to expand or dissolve the PVC-O-polyurethane tube's surface. This permits extrusion pressure to amalgamate these surfaces during socket insertion. The solvent within the adhesive evaporates swiftly, restoring the dissolved surface to a robust state, ensuring the bonding strength matches pressure demands.
Maintain precise control over adhesive quantity-insufficient amounts compromise sealing and strength, while excess may flow along pipe walls, leading to corrosion and softening, causing cracks under water or pressure. In cold climates, delayed adhesive volatilization can increase penetration, weakening the pipe wall.
Conscientiously follow specification requirements for pipe bonding construction. Ensure adhesive application results in negligible overflow during socket insertion, which should be swiftly cleaned. Apply glue from the socket's interior outwards to prevent unwanted interior flow.
4. Considerations for Thermal Expansion and Contraction of Pipes
Boasting a thermal expansion coefficient of 0.07mm (m · ºC), PVC-O water supply pipes experience notable expansion compared to traditional materials. Account for temperature-induced longitudinal deformation, particularly in systems utilizing surface water sources.
With the adaptable scalability of the rubber ring connecting pipe interface, expansion or contraction challenges are effortlessly managed. However, for bonded pipes-especially the open type-the post-bonding interface lacks flexibility. Without expansion joints, the pressure from expansion or contraction could critically affect pipe structure or fittings.
Discover the diverse connection methods our pipes offer, including solvent adhesive, elastic sealing rings, and integrated rubber ring connections. Additionally, these pipes seamlessly link to other types such as cast iron pipes using flanges or compatible adapters, delivering a complete solution for diverse piping demands.
Effortless Connection Program: Begin by meticulously cleaning the working face ---- Next, apply a generous amount of lubricant ---- Finally, ensure a precise counterpart insertion for peak performance.
1. Before installation, thoroughly inspect the quality of pipes, fittings, and rubber rings. Ensure the working face of both the socket and its counterpart are immaculate and prepared for seamless assembly.
2. During installation, strategically position the socket to face the direction of incoming water flow, enhancing the system's efficiency and dependability.
3. Generously apply lubricant to both the rubber ring and the insertion section. Use the lubricant sparingly but effectively to avoid its intrusion into the socket groove. This careful application significantly lowers the friction between the rubber ring and the groove wall, thereby effectively preventing any potential overturning of the rubber ring. For optimal results, we highly recommend using commonly available detergents and soapy water as lubricants.
4. Carefully align the socket ports, ensuring that the pipeline axis remains perfectly straight to guarantee unparalleled stability and structural integrity. This meticulous alignment is essential for the flawless operation of the pipeline system.
5. Securely equip both sides of the socket with appropriate wire rope sleeves and expertly use a tightener (or hand wrench) to pull them into the reticle with precision. For medium-caliber pipes, strategically place square wood at the port and gently tap it into the socket using a mallet for a precise, snug fit, enhancing the overall installation accuracy.
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.
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