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  • PVC-U Van Stone Flange
  • PVC-U Van Stone Flange
  • PVC-U Van Stone Flange
  • PVC-U Van Stone Flange

PVC-U Van Stone Flange

Brand: 
Zhongjia

Material: 
PVC-U

Size: 
DN15 to DN400

Technique: 
Injection

Connector type: 
Socket

Color: 
Dark gray

Standard: 
DIN standard

Nominal Pressure: 
PN16, PN10

Origin: 
China

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  • Product Description:
    ● Van Stone flange for joining two pipes or connecting valves in a piping system.
    ● Spigot connection for connecting to unthreaded pipes or fittings.
    ● PVC for chemical and corrosion resistance, high strength, and less weight than fittings made from metal.

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About Us
Changzhou Zhongjia Plastic Industry Co., Ltd.
Changzhou Zhongjia Plastic Industry Co., Ltd. was established in 2006. It is an enterprise specializing in the research, development, production and sales of UPVC, CPVC plastic pipe fittings and valve products. As China PVC-U Van Stone Flanges Manufacturers and Custom PVC-U Van Stone Flanges Suppliers. Our featured products are plastic products such as UPVC/CPVC pipes, pipe fittings and valves. At present, we mainly supply industrial and water supply series pipes, pipe fittings and valves that meet national standards, American standards. Our products are sold to Southeast Asia, the Middle East, Africa, North America, South America, and are widely used in industry, agriculture, construction and other fields.
Our company is located in the Xueshuxiang Industrial Concentration Zone, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province. The area is close to the Shanghai-Chengdu Expressway for 10 kilometers, the Yangtze River Expressway for 15 kilometers, the Changzhou High-speed Railway Station for 15 kilometers, and Shanghai for 160 kilometers. It has convenient transportation and environment.
The company covers an area of 50,000 square meters and has an annual production capacity of more than 30,000 tons. The company has passed ISO9001, ISO14001, and OHSAS18001 system certification. It has 4 raw material mixers, 60 plastic injection molding machines, 8 pipe extrusion production lines, 10 mechanical processing equipment, and more than 3,000 sets of molds. At present, we have 150 employees, including 10 technicians. With the continuous development and increasing internationalization of the company, we are committed to attracting talents and preparing for vigorous development.
The company adheres to the market-oriented, quality-oriented, service-oriented, introduces advanced production equipment and technology, makes products, creates brands, and has won the trust and recognition of customers. It has now become one of the green and vital pipeline production enterprises at home and abroad. We will always focus on customer satisfaction, follow the business principles of "modernization, youth, and knowledge", strive to catch up with the advanced level of the same industry at home and abroad, and strive to create a Chinese brand.
We sincerely welcome domestic and foreign customers to our company to discuss cooperation!
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PVC-U Van Stone Flange Industry knowledge

Zhongjia PVC-U Van Stone Flange Product Introduction: Flexible docking, high-strength sealing
In the fluid conveying system, flange connection is an important connection method between pipelines and equipment, valves and other components. Its connection reliability and sealing performance are crucial to the operation of the entire system. Especially in occasions where frequent installation, disassembly and maintenance are required, traditional integral flanges often have problems such as difficult construction and inconvenient maintenance. To this end, Zhongjia has launched a high-performance PVC-U Van Stone Flange (slip-on flange) product, which is designed for efficient docking, flexible installation and reliable sealing. This article will analyze the professional value of this product in depth for you around its material properties, structural advantages, and usage scenarios.
What is PVC-U Van Stone Flange?
Van Stone Flange (slip-on flange) is a split structure flange consisting of a flange ring and a short pipe with a flange. It is different from the traditional integral flange. Its movable ring can rotate freely outside the short pipe, making the bolt hole alignment more flexible and convenient for quick installation and disassembly. Based on the PVC-U material, this structure is more suitable for the pressure system connection of non-metallic pipes.

Zhongjia's Van Stone Flange is particularly suitable for fluid pipeline systems that require frequent maintenance, replacement, and inspection, as well as engineering scenarios with high requirements for sealing and docking accuracy.

Product Core Advantages
1. High-quality PVC-U raw materials, excellent corrosion resistance
Zhongjia Van Stone Flange is made of high-quality PVC-U (rigid polyvinyl chloride) materials, with excellent acid and alkali resistance, salt water resistance, and resistance to corrosion by most chemicals. It is very suitable for applications with high requirements for medium stability, such as chemical, environmental protection, and food-grade conveying systems.

2. Flexible connection design to improve installation efficiency
The slip-on flange structure allows the flange ring to rotate freely during installation, greatly simplifying the complexity of bolt hole alignment during pipeline connection. Even if the space is limited, the installation can be easily completed, especially for engineering sites with tight schedules or narrow construction space.

3. Socket connection, reliable sealing, convenient disassembly and assembly
The socket interface design is adopted, and it is connected to the PVC-U pipe by adhesive, with strong sealing and compact structure. At the same time, because the flange is a slip-on structure, the pipeline or equipment can be disassembled, inspected and replaced without rotating the main body, reducing the later maintenance cost.

4. Dual pressure levels are optional and applicable to a wide range of working conditions
Zhongjia Van Stone Flange provides two pressure levels, PN10 and PN16, to meet the connection requirements of medium and low pressure to medium and high pressure systems. Especially in the fields of water treatment, water supply and drainage engineering, industrial fluid transportation, etc., it has a wide range of adaptability.

5. Complete specifications and strong versatility
Provide a full range of specifications from DN15 to DN400, suitable for various commonly used PVC-U pressure pipes and equipment interfaces. Whether it is a small-diameter laboratory pipe or a large-diameter municipal or industrial project, Zhongjia can provide a reliable docking solution.

Applicable scenarios and typical applications
Zhongjia PVC-U Van Stone Flange is widely used in multiple industries and systems due to its excellent material properties and flexible structural design:

Municipal water supply and drainage engineering: used for pump stations, valves, equipment inlet and outlet flange connections, convenient for later maintenance;

Chemical fluid system: suitable for chemical medium transportation pipeline network, ensuring safety and corrosion resistance;

Water treatment equipment connection: such as sedimentation tanks, aeration tanks, reverse osmosis systems, pipes and equipment flange docking;

Agricultural irrigation system: used for fast docking in large-diameter PVC pipe systems to improve installation efficiency;

Building equipment system: flange interface connection between heating, air conditioning, domestic water equipment and pipes.

Standard implementation and quality assurance
Zhongjia Van Stone Flange is designed and manufactured in strict accordance with German DIN standards to ensure that each product meets international standards in terms of size, tolerance, sealing surface treatment and compressive strength. Fully automatic injection molding equipment is used in the production process, and multiple testing procedures such as pressure testing, size testing, surface finish testing, etc. are passed to ensure stable and reliable product quality.

The dark gray exterior design not only meets the aesthetic requirements of the project, but also has strong light-shielding properties, which helps prevent algae from growing inside the pipe and prolongs its service life.

Supporting systems and technical support
Zhongjia is committed to providing customers with complete PVC-U conveying system solutions. Van Stone Flange can seamlessly cooperate with its series of PVC-U pipes, valves, elbows, reducers, etc., to help users quickly build high-sealing and high-strength pressure systems.

In addition, Zhongjia provides:

Customized specification services: special sizes or pressure levels can be customized according to project requirements;

On-site technical support: installation guidance, fault analysis, maintenance suggestions;

Project cooperation guarantee: support for bulk supply, project matching, technical data provision and other engineering-level services.

Zhongjia PVC-U Van Stone Flange provides an ideal flange connection solution for various liquid conveying projects with its high-quality materials, flexible structure, efficient sealing and convenient installation. It not only improves construction efficiency and system sealing safety, but also shows obvious advantages in maintenance convenience and economy.