OEM China BS5163 Gate Valve Suppliers - Resilient Seated with Brass Stem Nut from Reliable Factory Suppliers, Factories

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Type: Resilient Seated

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Series: Z45X-10/16/25

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Size: DN40-DN600/2–24

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Pressure rating: PN6/PN10/PN16/PN25

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Design standard: BS5163

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Service: OEM & ODM

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Discover high-quality resilient seat gate valves manufactured by leading China suppliers. Our valves are designed with a premium rubber wrap around the valve plate, ensuring exceptional sealing performance while preventing detachment. Available in various sizes from DN40 to DN600 (2 to 24) and with pressure ratings ranging from PN6 to PN25, our products meet the renowned BS5163 design standard. As a trusted factory in China, we also offer customized solutions to meet your specific needs.

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Product Description

Valve Type: Resilient seat gate valve Structure: Non-rising type
Standard: AWWAC509 Workmanship: Investment casting
Sealing direction: Bidirectional Sealing grade: Zero leakage
Temperature: -20°C < T < 120°C Operation: Handwheel
Characteristics

For resilient-seated gate valves, the gate plate generally features full encapsulation. Its rubber sealing surface uses elastic deformation to offset small sealing surface irregularities, ensuring a zero-leakage seal. Additionally, the valve stem is sealed with three layers of O-rings for reliable prevention of medium seepage.

Characteristics
Advantages
1 Flexible installation, adaptable to complex scenarios

Flange connection or welding connection can be used, and the installation method supports horizontal, vertical or buried installation, adapting to different engineering layouts. The overall structure is compact, and compared to hard sealed gate valves of the same diameter, it is lighter in weight, reducing the difficulty and cost of installation and hoisting. Corrosion resistant and wear-resistant, with a long service life.

2 Zero leakage seal, suitable for harsh working conditions

The gate adopts an integral rubber coating process, and the rubber sealing surface can compensate for processing errors, pipeline stress deformation, and wear caused by medium impurities through elastic deformation, achieving a bi-directional zero leakage sealing effect. Even under low pressure conditions, it can effectively block medium leakage, especially suitable for municipal pipelines such as tap water and sewage that require strict leak prevention.

3 Anti impurity accumulation, low maintenance cost

The bottom of the valve body adopts a flat bottomed valve seat design, which is flush with the inner wall of the pipeline, without grooves or dead corners, and is not easy to accumulate impurities such as mud, stones, fibers, etc., which can avoid valve opening and closing failure caused by impurity blockage. For conveying systems containing impurities such as sewage and rainwater, it can significantly reduce the frequency of valve disassembly and cleaning, and reduce the workload of operation and maintenance.

Advantages
Packing

Standard export wooden case packaging

Standard export wooden case packaging
Application Scenarios

Water treatment industry, in the process pipelines of pure water preparation and sewage treatment plants, it is used for the connection and disconnection of raw water, clean water, and chemical dosing pipelines. The valve body sprayed with epoxy resin can prevent medium pollution and is suitable for working conditions such as clean water and recycled water that require medium cleanliness.

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Frequently Asked Questions
Q: What standard does this resilient seat gate valve comply with?
This resilient seat gate valve is manufactured in accordance with the AWWA C509 standard, which is widely recognized for waterworks gate valves used in municipal and industrial water supply systems.
Q: What temperature range is this valve suitable for?
The valve is designed to operate within a temperature range of -20°C to 120°C, making it suitable for a wide variety of industrial and municipal pipeline applications.
Q: How is the zero-leakage sealing achieved in this gate valve?
The gate plate features a full rubber encapsulation (integral rubber coating process). The rubber sealing surface uses elastic deformation to compensate for processing errors, pipeline stress, and wear caused by medium impurities, achieving a bidirectional zero-leakage sealing effect. The valve stem is additionally sealed with three layers of O-rings.
Q: What installation orientations are supported?
The valve supports horizontal, vertical, and buried installation methods, and can be connected via flange or welding. This flexibility makes it adaptable to a wide range of complex engineering layouts and installation environments.
Q: Is this valve suitable for use with sewage or wastewater containing impurities?
Yes. The valve body features a flat-bottomed valve seat design that is flush with the inner pipeline wall, eliminating grooves or dead corners where impurities such as mud, stones, or fibers could accumulate. This significantly reduces maintenance frequency and is well-suited for sewage, rainwater, and other impurity-containing media.
Q: What industries or applications is this resilient seat gate valve commonly used in?
This valve is widely used in the water treatment industry, including pure water preparation and sewage treatment plant process pipelines. It is suitable for raw water, clean water, recycled water, and chemical dosing pipeline systems. The epoxy resin-coated valve body ensures corrosion resistance and medium purity protection for clean water applications.

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