Are you looking for the best valve seat factories in China? With China leading the world in industrial manufacturing, finding the right valve seat manufacturer can be overwhelming. In this article, we’ll break down the top valve seat factories in China, highlighting their strengths, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

BO CHANG INDUSTRIAL CO., LTD.: 博昌工業股份有限公司

Product Details: BO CHANG INDUSTRIAL CO., LTD. specializes in processing engine valves, valve guides, and valve seats. Their products include automobile valvetrain and other automobile engine parts. The company uses brand names TS and PCV.

Pros:
– Established in 1989, indicating long-term experien…
– Specialization in critical engine components such…
– Participation in industry exhibitions like TAIPEI…

Cons:
– Limited information available on the website regar…
– No detailed information on certifications, quality…

Valve Seat

Product Details: The valve seats are components that serve as the contact surface with the engine valve. They interact with the intake and exhaust valves to maintain the seal of the combustion chamber, ensuring proper engine operation and efficiency.

Pros:
– Maintains the seal of the combustion chamber
– Ensures proper engine operation and efficiency

Cons:
– No specific cons mentioned on the webpage.

China Filed & Virgin PTFE Ball Valve Seats Supplier

Butterfly Valve Seat, China PTFE Valve Seat supplier

Product Details: Butterfly valve seats are critical components that ensure the valve’s seal integrity. They come in various materials such as EPDM, BUNA-N, PTFE, and VITON, each suited for different application conditions including temperature, pressure, and type of media.

Pros:
– EPDM: Resistant to polar compounds, water, and alk…
– BUNA-N: Excellent general-purpose elastomer; resis…
– PTFE: Offers low friction, chemical resistance, an…
– VITON: High temperature and chemical resistance; r…

Cons:
– EPDM: Not resistant to hydrocarbon solvents and oi…
– BUNA-N: Limited to temperatures up to 180°F.
– PTFE: Not suitable for high-pressure conditions.
– VITON: Not compatible with water or steam applicat…

Butterfly Valve PTFE Seats

Product Details: Teflex supplies custom butterfly valve seats made from reinforced and virgin PTFE. These seats are available in various materials, including filled PTFE with fiberglass, carbon, graphite, bronze, molybdenum disulfide, and PEEK. The temperature range for these seats is -200°C to +250°C, and they are certified by FDA, RoHS, and MSDS. They are suitable for high-demand valve loads and can be customized according to drawings.

Pros:
– Ultra-low friction and self-lubricating properties
– Excellent chemical resistance and corrosion resist…
– Wide range of temperatures (-200°C to +250°C)
– Wear-resistant and suitable for highly corrosive o…
– Customizable according to specific drawings
– Food grade options available for pharmaceutical an…

Cons:
– May require special handling due to the brittle na…
– Filled PTFE materials can be more expensive than v…
– Limited mechanical strength compared to other mate…

Butterfly Valve Seat – China Supplier, Wholesale

Product Details: The butterfly valve seat supplied by Suzhou Meilong Rubber and Plastic Products Co., Ltd. is made from various materials, including EPDM, PTFE, and other rubber compounds. These seats are designed for use in butterfly valves and are applicable in various industries such as chemical, petroleum, food, and beverage. The seats are available in different sizes and can be customized according to customer specifications. They are known for their high temperature resistance, corrosion resistance, and durability.

Pros:
– High temperature resistance and corrosion resistan…
– Durable and long-lasting
– Applicable in various industries
– Customizable according to customer specifications
– Resistant to acids, alkalis, and organic solvents

Cons:
– Potential for degumming if not manufactured correc…
– Limited information available on the specific webs…

China Replaceable Soft-Back Seat Lug Butterfly Valve

Product Details: The China Replaceable Soft-Back Seat Lug Butterfly Valve (TYPE NO.: ZCLGBV-01) has a size range of DN50-DN2000 and pressure ratings of PN6, PN10, PN16, and 150LB. It features a dovetail replaceable soft back seat made of EPDM, which reduces maintenance costs. The valve body is designed to be secured between two flanges using threaded lugs.

Pros:
– Replaceable soft back seat reduces maintenance cos…
– Wide size range (DN50-DN2000) and various pressure…
– Threaded lugs for secure installation between flan…

Cons:
– Limited material options for the seat (EPDM)
– May not be suitable for high-temperature applicati…

China Made Steel Valve Seat Socket for 3kg 6kg 12kg LPG …

Product Details: The China Made Steel Valve Seat Socket is designed for 3kg, 6kg, and 12kg LPG cylinders. It is mainly used for gas storage tank gas regulation and discharge valve devices. The product is made from high-quality steel, ensuring durability and reliability in gas cylinder applications.

Pros:
– Made from high-quality steel for durability and re…
– Suitable for various LPG cylinder sizes (3kg, 6kg,…
– Used for critical gas regulation and discharge fun…

Cons:
– No specific details on maintenance requirements or…
– No information provided on compatibility with othe…

Valve Seat With Tube-Automatic For Prosthetic Leg

Product Details: Product name: Valve Seat with Tube-Automatic. Item NO.: AV-2. Material: Polyurethane. Weight: 32g. Size: 13.554cm. Application: Prosthetic parts. Place of Origin: Hebei, China. Brand Name: Wonderfu. MOQ: 10 Pieces. Certificate: CE ISO. Package: Shockproof bag. Usage: Implant Materials & Artificial Organs, Polishing.

Pros:
– Made from durable polyurethane material.
– Compact size (13.554cm) and lightweight (32g) fo…
– CE and ISO certified, ensuring quality and safety…
– Packaged in a shockproof bag for protection during…
– Suitable for various applications including implan…

Cons:
– Limited information available on long-term durabil…
– No detailed user reviews or feedback provided on t…
– Minimum order quantity (MOQ) of 10 pieces may not…

Ceramic Valve Seat

Comparison Table

Company	Product Details	Pros	Cons	Website
BO CHANG INDUSTRIAL CO., LTD.: 博昌工業股份有限公司	BO CHANG INDUSTRIAL CO., LTD. specializes in processing engine valves, valve guides, and valve seats…	– Established in 1989, indicating long-term experien… – Specialization in critical engine componen…	– Limited information available on the website regar… – No detailed information on certifications,…	www.pochangvalve.com
Valve Seat	The valve seats are components that serve as the contact surface with the engine valve. They interac…	– Maintains the seal of the combustion chamber – Ensures proper engine operation and efficiency	– No specific cons mentioned on the webpage.	china-merit.com
China Filed & Virgin PTFE Ball Valve Seats Supplier				www.teflexgasket.com
Butterfly Valve Seat, China PTFE Valve Seat supplier	Butterfly valve seats are critical components that ensure the valve’s seal integrity. They come in v…	– EPDM: Resistant to polar compounds, water, and alk… – BUNA-N: Excellent general-purpose elastome…	– EPDM: Not resistant to hydrocarbon solvents and oi… – BUNA-N: Limited to temperatures up to 180°…	www.butterflyvalveseat.com
Butterfly Valve PTFE Seats	Teflex supplies custom butterfly valve seats made from reinforced and virgin PTFE. These seats are a…	– Ultra-low friction and self-lubricating properties – Excellent chemical resistance and corrosion r…	– May require special handling due to the brittle na… – Filled PTFE materials can be more expensiv…	www.teflexgasket.com
Butterfly Valve Seat – China Supplier, Wholesale	The butterfly valve seat supplied by Suzhou Meilong Rubber and Plastic Products Co., Ltd. is made fr…	– High temperature resistance and corrosion resistan… – Durable and long-lasting – Applicable in v…	– Potential for degumming if not manufactured correc… – Limited information available on the speci…	www.butterflyvalveseat.com
China Replaceable Soft-Back Seat Lug Butterfly Valve	The China Replaceable Soft-Back Seat Lug Butterfly Valve (TYPE NO.: ZCLGBV-01) has a size range of D…	– Replaceable soft back seat reduces maintenance cos… – Wide size range (DN50-DN2000) and various…	– Limited material options for the seat (EPDM) – May not be suitable for high-temperature applicati….	zfavalves.com
China Made Steel Valve Seat Socket for 3kg 6kg 12kg LPG …	The China Made Steel Valve Seat Socket is designed for 3kg, 6kg, and 12kg LPG cylinders. It is mainl…	– Made from high-quality steel for durability and re… – Suitable for various LPG cylinder sizes (3…	– No specific details on maintenance requirements or… – No information provided on compatibility w…	www.longtermmachinery.com
Valve Seat With Tube-Automatic For Prosthetic Leg	Product name: Valve Seat with Tube-Automatic. Item NO.: AV-2. Material: Polyurethane. Weight: 32g. S…	– Made from durable polyurethane material. – Compact size (13.554cm) and lightweight (32g) fo… -…	– Limited information available on long-term durabil… – No detailed user reviews or feedback provi…	www.wonderful-po.com
Ceramic Valve Seat				www.mascera-tec.com

Frequently Asked Questions (FAQs)

What are the key factors to consider when choosing a valve seat manufacturer in China?

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When selecting a valve seat manufacturer in China, you should consider several crucial factors. Look for manufacturers that adhere to quality standards and certifications such as ISO 9001, ASME, and API. Check the manufacturer’s reputation and experience, as well as their ability to offer customization options that fit your specific needs. Also, ensure they provide a range of materials suitable for your project and compare prices to ensure you get the best value for your money.

What types of materials are commonly used for butterfly valve seats in Chinese factories?

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Chinese factories often use several types of materials for butterfly valve seats. These include EPDM (Ethylene Propylene Diene Monomer), which is great for water and steam applications but not suitable for hydrocarbon solvents; BUNA-N (Nitrile), ideal for petroleum oils and greases; PTFE (Polytetrafluoroethylene or Teflon), known for its chemical and fire resistance; and VITON, which offers high temperature and chemical resistance but is not suitable for steam or water applications.

How do I ensure the quality of valve seats from a Chinese manufacturer?

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To ensure the quality of valve seats from a Chinese manufacturer, you should verify their compliance with international quality standards such as ISO 9001. Check for customer reviews and feedback to gauge their reputation. Visiting the factory or requesting a tour can also provide insight into their production process and quality control measures. Additionally, ask for material specifications and certifications to ensure the valves meet your project’s requirements.

Can Chinese valve seat manufacturers offer customization options?

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Yes, many Chinese valve seat manufacturers offer customization options. You should look for manufacturers that can customize valve designs, materials, and end connections to fit your specific needs. This includes adapting the valve for high-pressure systems, corrosive environments, or specific temperature ranges. Customization ensures the valves perform optimally in your application and improves overall efficiency and performance.

How do I replace a butterfly valve seat if it becomes damaged or worn out?

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Replacing a butterfly valve seat involves several steps. First, you need to remove the old seat from the valve body by loosening the bolts that hold it in place. Then, inspect the area for any debris or residue and clean it if necessary. Finally, install the new seat, ensuring it is properly aligned and secured with the bolts. It’s a good idea to consult the manufacturer’s instructions or seek professional help if you’re unsure about the process.