Are you in the market for diaphragm check valves and feeling overwhelmed by the options? You’re not alone! With so many factories in China producing these essential components, it’s crucial to know which ones stand out. By comparing the top manufacturers, you can ensure quality, reliability, and cost-effectiveness for your projects. Imagine the peace of mind that comes with choosing the best suppliers! Ready to simplify your decision-making process? Dive into our comprehensive comparison of the leading diaphragm check valve factories in China and discover the perfect fit for your needs!

China Diaphragm Valve Suppliers, Manufacturers, Factory – Kemus

Product Details: Diaphragm valves are used for controlling flow in various applications, including compressed air, seawater, and freshwater. They consist of a body, diaphragm, and bonnet, and can be operated manually or with actuators.

Technical Parameters:
– Size range: DN10-DN400
– Pressure range: 0.6-6.4MPa

Application Scenarios:
– Water treatment
– Pharmaceutical applications

Pros:
– Almost full flow opening with low head loss
– Less wear and tear compared to other valves

Cons:
– Potential for diaphragm wear over time
– May require maintenance depending on application

China Diaphragm Valve Manufacturers Suppliers Factory | SANIDENG

Product Details: Various types of diaphragm valves including PVC, CPVC, PPH, and PVDF, designed for precision flow control and various industrial applications.

Technical Parameters:
– Material: PVC, CPVC, PPH, PVDF
– Type: True Union, Socket Type, Flanged, Pneumatic Actuated

Application Scenarios:
– Process systems requiring precision flow control
– Industrial applications involving corrosive or toxic media

Pros:
– Low fluid resistance and high flow capacity
– Suitable for various piping systems and applications

Cons:
– Potential for leakage in some designs
– Specific materials may not be suitable for all fluids

Home – Diaphragm Valve

Product Details: Diaphragm valves manufactured by NTGD, including manual, pneumatic, lined, and sanitary types.

Technical Parameters:
– Temperature range: -30 to 150 ℃ (depending on diaphragm material)
– Materials: Rubber, Polytetrafluoroethylene, Cast iron, Cast steel, Cast stainles…

Application Scenarios:
– Food processing units
– Pharmaceutical industry
– Brewing
– Corrosive medium applications
– Clean and dirty water and air services
– Vacuum services

Pros:
– Good leak-proof characteristics
– Smooth and streamlined fluid passage with low-pressure drop

Cons:
– Limited to low pressure and relatively low temperature
– Diaphragm is a vulnerable part and requires regular replacement

China Diaphragm Valve Manufacturers & Suppliers – KOSEN VALVE CO.,LTD.

Product Details: KOSEN Diaphragm Valves are designed for controlling various mediums, featuring self-draining functions and various material options.

Technical Parameters:
– Material: Cast iron, ductile iron, PTFE, stainless steel, rubber-lined
– Types: Weir, straight, three-way, Y type, electric actuator

Application Scenarios:
– Chemical processing
– Water treatment

Pros:
– Self-draining function for cleaner pipelines
– Versatile material options for different applications

Cons:
– Limited to specific medium types
– Potential for wear over time with corrosive substances

China Diaphragm Valve Manufacturers, Suppliers, Factory – Customized …

Product Details: Diaphragm valves are used for controlling the flow of fluids in various applications. They are available in different materials such as EPDM, PTFE, rubber, cast iron, and stainless steel.

Technical Parameters:
– Material: EPDM, PTFE, Rubber, Cast Iron, Stainless Steel
– Type: Weir Type, Straight Through, Pneumatic, Threaded

Application Scenarios:
– Water treatment systems
– Chemical processing

Pros:
– Good sealing performance
– Suitable for corrosive fluids

Cons:
– Limited pressure handling
– Potential for diaphragm wear over time

China Angle Seat Valve Manufacturers, Diaphragm Valve Suppliers …

Product Details: YUEQING HUASHUO VALVE CO.,LTD manufactures various types of valves including Angle Seat Valve, Diaphragm Valve, Butterfly Valve, Check Valve, Globe Valve, Float Valve, Ball Valve, Gate Valve, Brass Ball Valve, Needle Valve, and PVC Valve.

Technical Parameters:
– Material: ss304, ss316
– Specifications: DN10-DN100

Application Scenarios:
– Petroleum and petrochemical industry
– Food and beverage industry

Pros:
– Wide range of applications across various industries
– High-quality manufacturing with CNC machine tools

Cons:
– Limited information on specific product performance
– Potentially high cost for specialized valves

Diaphragm Valve – China Diaphragm Valve Manufacturers … – Vatac Valve

Product Details: Diaphragm Valve – Available in Unlined, Rubber Lined, PTFE Lined, Flange Weir, and Thread Weir configurations. Suitable for various slurry applications.

Technical Parameters:
– Size Ranges: 1/2” through 14”
– Pressure Ratings: ANSI #125, #150, PN6, PN10, PN16

Application Scenarios:
– Slurry applications in industrial settings
– Water treatment and chemical processing

Pros:
– Easily maintained in-line with no packing glands
– Diaphragm can close over suspended solids

Cons:
– Limited size range for specific applications
– Potential for wear over time in abrasive environments

PDF

Product Details: Saunders® Industrial Diaphragm Valves (IDV) including A Type, KB/K Type, WFB Type, and NX Check Valve, with various actuation options (ES Modular, EC, ECX). In-house manufacture of all diaphragms.

Technical Parameters:
– Wide range of body materials (cast iron, SG iron, cast steel, stainless steel, g…
– Pressure and temperature limits vary depending on body material, lining, and dia…
– Flow coefficients (Cv and Kv) provided for various valve types and sizes; values…
– Various end connections (screwed, flanged, welded) adhering to international sta…
– Actuation options cover valve sizes up to 10″, with various line and operating p…

Application Scenarios:
– Corrosive applications (strong acids, chlor-alkali, fine chemicals, effluent tre…
– Abrasive applications (fertilizers, titanium dioxide, phosphate, mining, pulp &…
– General industry applications (water treatment, marine, HVAC, utilities)
– Fire fighting and marine applications (WFB valves)
– Low pressure and vacuum duties (NX check valves)

Pros:
– Superior corrosion and abrasion resistance due to proprietary diaphragm technolo…
– Leak-tight shut-off, even after thousands of operations.
– Easy maintenance and in-line diaphragm replacement.
– Versatile installation (any position).
– Long service life and reduced total cost of ownership.

Cons:
– Glass lining not suitable for applications with thermal cycling.
– Specific limitations on temperature and pressure depending on materials selected…
– Some limitations on valve size for certain actuation types.
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China Pneumatic Plastic Diaphragm Valve Suppliers, Manufacturers, Factory

Product Details: Various types of pneumatic diaphragm valves including models with handwheel, limit switch box, position indicator, and different materials such as UPVC, PVDF, and rubber lined.

Technical Parameters:
– Working Pressure: 6bar
– Connection: True Union, Flange

Application Scenarios:
– Control valve opening and closing in emergency situations.
– Commercial and industrial applications.

Pros:
– Versatile applications across different industries.
– Various materials available for different fluid types.

Cons:
– Potential for diaphragm wear over time.
– May require regular maintenance for optimal performance.

China High Quality Valves Supplier & Factory、Manufacturer

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Comparison Table

Company	Product Details	Pros	Cons	Website
China Diaphragm Valve Suppliers, Manufacturers, Factory – Kemus	Diaphragm valves are used for controlling flow in various applications, including compressed air, seawater, and freshwater. They consist of a body, di…	– Almost full flow opening with low head loss – Less wear and tear compared to other valves	– Potential for diaphragm wear over time – May require maintenance depending on application	www.kemus-valve.com
China Diaphragm Valve Manufacturers Suppliers Factory	SANIDENG	Various types of diaphragm valves including PVC, CPVC, PPH, and PVDF, designed for precision flow control and various industrial applications.	– Low fluid resistance and high flow capacity – Suitable for various piping systems and applications	– Potential for leakage in some designs – Specific materials may not be suitable for all fluids
Home – Diaphragm Valve	Diaphragm valves manufactured by NTGD, including manual, pneumatic, lined, and sanitary types.	– Good leak-proof characteristics – Smooth and streamlined fluid passage with low-pressure drop	– Limited to low pressure and relatively low temperature – Diaphragm is a vulnerable part and requires regular replacement	www.diaphragmvalve.net
China Diaphragm Valve Manufacturers & Suppliers – KOSEN VALVE CO.,LTD.	KOSEN Diaphragm Valves are designed for controlling various mediums, featuring self-draining functions and various material options.	– Self-draining function for cleaner pipelines – Versatile material options for different applications	– Limited to specific medium types – Potential for wear over time with corrosive substances	www.kosenvalve.com
China Diaphragm Valve Manufacturers, Suppliers, Factory – Customized …	Diaphragm valves are used for controlling the flow of fluids in various applications. They are available in different materials such as EPDM, PTFE, ru…	– Good sealing performance – Suitable for corrosive fluids	– Limited pressure handling – Potential for diaphragm wear over time	www.wvf-valve.com
China Angle Seat Valve Manufacturers, Diaphragm Valve Suppliers …	YUEQING HUASHUO VALVE CO.,LTD manufactures various types of valves including Angle Seat Valve, Diaphragm Valve, Butterfly Valve, Check Valve, Globe Va…	– Wide range of applications across various industries – High-quality manufacturing with CNC machine tools	– Limited information on specific product performance – Potentially high cost for specialized valves	www.huashuovalve.com
Diaphragm Valve – China Diaphragm Valve Manufacturers … – Vatac Valve	Diaphragm Valve – Available in Unlined, Rubber Lined, PTFE Lined, Flange Weir, and Thread Weir configurations. Suitable for various slurry application…	– Easily maintained in-line with no packing glands – Diaphragm can close over suspended solids	– Limited size range for specific applications – Potential for wear over time in abrasive environments	www.vatac-valve.com
PDF	Saunders® Industrial Diaphragm Valves (IDV) including A Type, KB/K Type, WFB Type, and NX Check Valve, with various actuation options (ES Modular, EC,…	– Superior corrosion and abrasion resistance due to proprietary diaphragm technolo… – Leak-tight shut-off, even after thousands of operations. – Eas…	– Glass lining not suitable for applications with thermal cycling. – Specific limitations on temperature and pressure depending on materials selected….	www.cranecpe.com
China Pneumatic Plastic Diaphragm Valve Suppliers, Manufacturers, Factory	Various types of pneumatic diaphragm valves including models with handwheel, limit switch box, position indicator, and different materials such as UPV…	– Versatile applications across different industries. – Various materials available for different fluid types.	– Potential for diaphragm wear over time. – May require regular maintenance for optimal performance.	www.zzvalvecn.com
China High Quality Valves Supplier & Factory、Manufacturer				www.tekronvalve.com

Frequently Asked Questions (FAQs)

1. What is a diaphragm check valve and how does it work?

A diaphragm check valve is a type of valve that allows fluid to flow in one direction while preventing backflow. It uses a flexible diaphragm that opens when fluid flows in the correct direction and closes when flow reverses, creating a seal. This design helps maintain system pressure and prevents contamination.

2. Why should I choose a factory in China for diaphragm check valves?

Choosing a factory in China can offer you competitive pricing, a wide range of options, and access to advanced manufacturing technologies. Many Chinese factories have experience in producing high-quality valves that meet international standards, making them a reliable choice for your needs.

3. How can I ensure the quality of diaphragm check valves from a Chinese factory?

To ensure quality, look for factories that have certifications like ISO 9001. Request samples to evaluate their performance and durability. Additionally, consider visiting the factory or hiring a third-party inspection service to verify manufacturing processes and quality control measures.

4. What are the typical lead times for ordering diaphragm check valves from China?

Lead times can vary based on the factory’s production capacity and your order size. Generally, you can expect lead times to range from 4 to 12 weeks. It’s best to discuss timelines with the factory during the ordering process to get a more accurate estimate.

5. Can I customize diaphragm check valves for my specific application?

Yes, many factories in China offer customization options for diaphragm check valves. You can specify materials, sizes, pressure ratings, and other features to suit your application. Be sure to communicate your requirements clearly to ensure the final product meets your expectations.