Wilvida HDPE Double Wall Bellows for Ventilation System

• Material: PE
• Hardness: Hard Tube
• Type: Thermosetting Plastic Pipe
• Hollow: Hollow
• Usage: Drainpipe, Water Supply Pipe, Agricultural Irrigation Pipe, Corrugated Pipe
• Transport Package: Customized According to Customer Requirements
• Model NO.: DN100-DN800
• Specification: According to Customer Requirements
• Trademark: Wilvida
• Origin: Jiangsu, China
• HS Code: 39173100
• Production Capacity: 100, 000t/Year

Product Description

Product Description

The Wilvida HDPE Double Wall Bellows for Ventilation System represent a significant advancement in modern piping technology. Engineered from high-density polyethylene, these innovative double-wall corrugated pipes boast a suite of impressive features: a lightweight composition, robust pressure resistance, superior toughness, expedited installation, and an extended lifespan. The ingenious wall structure design not only enhances performance but also achieves remarkable cost efficiency compared to conventional piping structures. Furthermore, their seamless and reliable connectivity has led to their extensive adoption both domestically and internationally, making them a preferred choice for replacing traditional concrete and cast iron pipes.

Detailed Photos

Product Parameters

HDPE Double Wall Corrugated Pipe's Parameter Datas
Norminal            Inner Diameter (DN/IN)	Min.Average Inner Diameter	Min. Wall  Thickness of theInside Layer	Min. Wall Thickness of the Inside Layer under a Hollow Section	Min. Wall Thickness of theOutside Layer under a HollowSection	Min.Length of Engagement of Socket
DN/IN	dem.min	e.min	e1.min	e3.min	A.min
100	95	1	0.8	0.7	32
150	145	1.3	1	0.8	43
200	195	1.5	1.1	0.9	54
225	220	1.7	1.4	0.9	55
250	245	1.8	1.5	1	59
300	294	2	1.7	1	64
400	392	2	1.7	1	64
500	490	3	3	1.8	85
600	588	3.5	3.5	2.7	118
1000	985	5	5	3	140
Note:
1: The pipe wall thickness is base on the GB/T19472.1-2019 or specified EN/ISO standards
2: Nominal pressure based on water medium temperature ≤20ºC. It should be adjust when the temperature of the medium change.
3: Colour of the pipe is BLUE ,others should be negotiate.
4: Application:water,Corrosive liquid,pulp.

Certifications

Packaging & Shipping

Installation Instructions

The connection methods for the HDPE double-wall bellows, as well as for b and c tubes, encompass both mechanical connections and a series of advanced thermal fusion procedures. The primary methods include butt fusion, electrical fusion, socket fusion, flange adapter connection, and compression connection. Each method ensures a robust and secure joint, tailored to meet varied application requirements.

1. The pipeline should rest on a curved earth base. For typical soil conditions, a medium coarse sand base layer of 100mm thickness should be laid on undisturbed soil or compacted backfill below the pipe's bottom. If the foundation soil is poor, a sand gravel base layer of at least 200mm thickness is advisable, which can be laid in two layers: a lower layer of gravel (5-32mm particle size, 100-150mm thick) and an upper layer of coarse sand (at least 50mm thick). The base density must adhere to Table 2 specifications. For soft soil foundations, if the bearing capacity is below design requirements or is disturbed due to construction or precipitation, the foundation must be reinforced to meet specified bearing capacities before laying the medium coarse sand foundation layer.

2. The axillary corner within the supporting angle range of the designed earth arc foundation must be backfilled with medium coarse sand or gravel soil. The backfilling range should exceed the supporting angle 2α by at least 30 degrees, ensuring compliance with the technical regulations for backfilling compactness.

3. Grooves for socket interfaces and sleeve connections in the pipeline foundation should be excavated concurrent with pipeline laying. The groove dimensions (length, width, and depth) should match the pipe joint size. Once the joint is completed, backfill the area with medium coarse sand immediately to maintain density.

4. For sections where longitudinal uneven settlement might occur due to pipeline load or ground soil variability, reinforce the foundation before laying the pipeline to ensure stability.
For polyethylene drainage pipe foundation treatment, use composite methods like sand piles and stone piles. Avoid rigid foundation treatments such as driven piles, concrete pads, and concrete strip foundations to prevent potential issues.

Company Profile

Founded in the historic and culturally rich city of Yangzhou, China, in 2018, Yangzhou Huawei Pipe Technology Co., Ltd. has swiftly ascended as a preeminent leader in intelligent pipeline system solutions. Our unwavering mission is to deliver comprehensive, state-of-the-art solutions that cater to the diverse and evolving needs of our esteemed global clientele.
Our extensive and versatile product line includes HDPE, PVC, PP-R, MPP, and more, meticulously designed to cater to a multitude of applications. These range from construction engineering and municipal projects to agricultural drainage and irrigation, gas transportation, home renovation, and power cable sheathing. With an impressive catalogue boasting nearly 3000 distinct varieties and specifications, our offerings cover the entire spectrum of pipes, fittings, and valve products, ensuring a solution for every piping requirement.

Our Advantages
Dedicated to global trade excellence, we offer tailored services to pipeline dealers across the world. To support this commitment, we have heavily invested in cutting-edge mechanical equipment, setting the foundation for a modern, high-capacity factory. Our robust production capabilities allow us to achieve an annual output of 30,000 tons, sufficient to fill 3,000 containers, ensuring we meet the growing demands of our international clientele.
By harnessing our advanced machinery and implementing an exceptional management system, we effectively minimize costs, expedite delivery times, and ensure the highest standards of quality in every product we manufacture.

FAQ

Are you a trading company or a factory?

We are a distinguished manufacturer, and we warmly welcome you to visit our state-of-the-art factory at your convenience.

What is your delivery time?

For small quantities, we utilize international couriers (DHL, FedEx, TNT, etc.) or air freight, ensuring you receive the goods within 3-5 days post-dispatch. For larger orders, we ship by sea, and the delivery time varies from days to weeks, depending on your destination port.

Can you provide samples?

Absolutely, samples are available. For standard products, samples are complimentary; you only need to cover the shipping costs. For high-value items, both the product cost and shipping are required. However, once we establish a solid partnership or if you become a VIP customer, complimentary samples will be provided.

Do you offer OEM services?

Yes, we provide customized OEM services tailored to your specifications, including LOGO and packaging.

What are your terms of payment?

We accept T/T or L/C at sight. For T/T, a 30% advance payment is required, with the balance due before shipment or via L/C.

What is your Minimum Order Quantity (MOQ)?

Our MOQ is flexible and can be adjusted according to the customer's requests.

Can we use our own label or packaging?

Absolutely. We are happy to accommodate your label or packaging requirements.

How can you ensure the quality of your products?

Integrity and responsibility are the cornerstones of our company. All products we supply are thoroughly tested and qualified. We provide a Certificate of Analysis (COA) before delivery to ensure quality.