Are you in the market for high-quality non-return valves and wondering where to find the best manufacturers in China? With countless factories vying for your attention, it’s crucial to know which ones stand out. By comparing the top non-return valve factories, you can ensure you’re making informed decisions that lead to superior products and reliable partnerships. Imagine the peace of mind that comes with knowing you’ve chosen the best options available. Ready to discover the leading players in this industry? Let’s dive in and explore the top non-return valve factories in China together!

China High Quality Industrial Non-return valve ball check …

Product Details: Non-return valve, Nominal diameter: DN40-DN500, Disc type: Ball Check Valve, Body material: Ductile iron GGG50, Ball material: Ductile iron GGG50 + EPDM/NBR coating.

Technical Parameters:
– Nominal diameter: DN40-DN500
– Body material: Ductile iron GGG50

Application Scenarios:
– Used in various industrial applications to prevent backflow.
– Suitable for water, oil, and gas pipelines.

Pros:
– High quality materials ensure durability.
– Effective backflow prevention.

Cons:
– Limited to specific nominal diameters.
– Potential for wear over time with certain fluids.

non-return valve,Check Valve – China Donjoy

Product Details: Check Valve – DN8-DN50, 1/2″-2″; Material: CF8/304, CF8M/316; Nominal pressure: PN1.6, 2.5, 4.0, 6.4MPa.

Technical Parameters:
– Specifications: DN8-DN50, 1/2″-2″
– Applicable medium: Water, oil, gas; Applicable temperature: -40~180℃

Application Scenarios:
– Biopharmaceutical
– Water Treatment

Pros:
– Wide range of specifications and materials
– High pressure seal pressure test

Cons:
– Limited temperature range
– Specific material requirements may limit applications

China Non-Return Valve Factory and Manufacturers – Suppliers

Product Details: Non-Return Valve

Technical Parameters:
– Material: Various
– Size: Customizable

Application Scenarios:
– Water supply systems
– Industrial applications

Pros:
– Prevents backflow
– Durable construction

Cons:
– May require maintenance
– Installation complexity

China Vertical Non Return Valve Suppliers, Manufacturers …

Product Details: Vertical Non Return Valve, Size: DN32-DN200, Delivery: 7-30 days, Price: negotiable

Technical Parameters:
– Nominal diameter: DN32~DN200mm
– Nominal pressure: PN1.6, 2.5, 4.0MPa

Application Scenarios:
– Used in various piping systems to prevent backflow
– Suitable for different pressure, temperature, and medium working conditions

Pros:
– Reliable sealing and good appearance
– Wear-resistant and long service life due to hard alloy surfacing

Cons:
– Potential for external leakage points if not properly maintained
– May require specific flange types and sizes for installation

Check Valve And Non Return Valve – IFAN

Product Details: NON Return Valve, Type: Valve, Material: Brass, Place of Origin: Zhejiang, China

Technical Parameters:
– Size: 1/2″ to 4″
– Weight: 157g to 4558g, CBM: 0.025

Application Scenarios:
– Water treatment plants
– Oil and gas pipelines

Pros:
– Prevents backflow and protects equipment
– Can be made from various materials for different applications

Cons:
– May require regular maintenance
– Improper installation can lead to leaks or failure

Non Return Valve Suppliers China – Yuanda Valve

Product Details: Non Return Valve (Check Valve) – Automatic valve that prevents backflow of media.

Technical Parameters:
– Nominal pressure: 1.6-16.0 MPa
– Operating temperature: ≤550℃

Application Scenarios:
– Used as bottom valve in pumping devices.
– Suitable for water supply and drainage systems.

Pros:
– Prevents backflow effectively.
– Available in various materials and designs.

Cons:
– High resistance and poor sealing when closed.
– Not suitable for media containing solid particles.

Low Pressure Non Return Valve – Xiamen Kemus Valve Co.,Ltd

Product Details: Low Pressure Non Return Valve, Item No. DR6007, Body Material: Brass, Port Size: 1/2″-2″, Connection End: Thread, Working Pressure: 2.0Mpa, Working Temperature: -10ºC ≤ t ≤ 120ºC, Trademark: KEMUS.

Technical Parameters:
– Female Thread Connections Comply With: ISO 228, NPT, BSP
– Nominal Pressure: 2.0Mpa

Application Scenarios:
– Industrial Usage
– Household Usage

Pros:
– Customizable handle color and packaging options.
– More than 15 years of experience in valve manufacturing.

Cons:
– Production time of 30 days with MOQ.
– Extra charges for customized packaging.

Non Return Valves Wafer Double Flap Check Valve

Product Details: Non Return Valves Wafer Double Flap Check Valve from Tianjin Worlds Valve Co., Ltd.

Technical Parameters:
– Model: BFHV01-TA01
– Brand: OEM

Application Scenarios:
– Used in piping systems to prevent backflow of fluids.
– Applicable in various industrial processes.

Pros:
– Automatic operation without external control.
– Prevents process flow from reversing.

Cons:
– May require regular maintenance.
– Limited to one-way flow.

China Ball check valve/non return valve factory and suppliers

Product Details: Ball Check Valve/Non Return Valve

Technical Parameters:
– Size: DN25~DN600
– Pressure: PN16 / 1.6Mpa
– Working temperature: -10℃~100℃
– Available material: Ductile iron/WCB/Stainless steel
– Connection type: Threaded (BSP/NPT); Flange (DIN PN10/16, ANSI 150LB)
– Design standard: EN12516-1
– Face to face standard: DIN3202-F6/EN558-1 SERIES 14
– Test standard: EN12266-1/API 598
– Medium: Water/Gas/Oil etc.

Application Scenarios:
– Submersible wastewater lift stations
– Vacuum or anti-flooding applications

Pros:
– OEM & customization capability
– Fast delivery and quality from own foundry
– MTC and inspection report provided for each shipment
– Rich operating experience for project orders

Cons:
– Limited to specific sizes and pressure ratings
– Potential for ball to get stuck in the seat if not designed properly

Supplier of Non Return Valves, Check Valves, Reflux Valves

Product Details: Supplier of Non Return Valves, Check Valves, Reflux Valves made from various materials including WCB, WCC, and CF8M. Customized sizes available.

Technical Parameters:
– Weight range: 100Kg-5000Kg
– Class: 150/300/600/800/1500/2500

Application Scenarios:
– Industrial piping systems
– Water management systems

Pros:
– Competitive factory pricing
– ISO9001:2015 certification ensures quality

Cons:
– Customization may lead to longer lead times
– Limited information on specific applications

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
China High Quality Industrial Non-return valve ball check …	Non-return valve, Nominal diameter: DN40-DN500, Disc type: Ball Check Valve, Body material: Ductile iron GGG50, Ball material: Ductile iron GGG50 + EP…	– High quality materials ensure durability. – Effective backflow prevention.	– Limited to specific nominal diameters. – Potential for wear over time with certain fluids.	www.nortech-v.com
non-return valve,Check Valve – China Donjoy	Check Valve – DN8-DN50, 1/2″-2″; Material: CF8/304, CF8M/316; Nominal pressure: PN1.6, 2.5, 4.0, 6.4MPa.	– Wide range of specifications and materials – High pressure seal pressure test	– Limited temperature range – Specific material requirements may limit applications	www.cndonjoy.com
China Non-Return Valve Factory and Manufacturers – Suppliers	Non-Return Valve	– Prevents backflow – Durable construction	– May require maintenance – Installation complexity	www.tws-valve.com
China Vertical Non Return Valve Suppliers, Manufacturers …	Vertical Non Return Valve, Size: DN32-DN200, Delivery: 7-30 days, Price: negotiable	– Reliable sealing and good appearance – Wear-resistant and long service life due to hard alloy surfacing	– Potential for external leakage points if not properly maintained – May require specific flange types and sizes for installation	www.kemus-valve.com
Check Valve And Non Return Valve – IFAN	NON Return Valve, Type: Valve, Material: Brass, Place of Origin: Zhejiang, China	– Prevents backflow and protects equipment – Can be made from various materials for different applications	– May require regular maintenance – Improper installation can lead to leaks or failure	www.ifanbrass.com
Non Return Valve Suppliers China – Yuanda Valve	Non Return Valve (Check Valve) – Automatic valve that prevents backflow of media.	– Prevents backflow effectively. – Available in various materials and designs.	– High resistance and poor sealing when closed. – Not suitable for media containing solid particles.	www.yuandavalves.com
Low Pressure Non Return Valve – Xiamen Kemus Valve Co.,Ltd	Low Pressure Non Return Valve, Item No. DR6007, Body Material: Brass, Port Size: 1/2″-2″, Connection End: Thread, Working Pressure: 2.0Mpa, Working Te…	– Customizable handle color and packaging options. – More than 15 years of experience in valve manufacturing.	– Production time of 30 days with MOQ. – Extra charges for customized packaging.	www.kemus-valve.com
Non Return Valves Wafer Double Flap Check Valve	Non Return Valves Wafer Double Flap Check Valve from Tianjin Worlds Valve Co., Ltd.	– Automatic operation without external control. – Prevents process flow from reversing.	– May require regular maintenance. – Limited to one-way flow.	www.worldsvalve.net
China Ball check valve/non return valve factory and suppliers	Ball Check Valve/Non Return Valve	– OEM & customization capability – Fast delivery and quality from own foundry – MTC and inspection report provided for each shipment – Rich operating…	– Limited to specific sizes and pressure ratings – Potential for ball to get stuck in the seat if not designed properly	www.bestopvalveindustry.com
Supplier of Non Return Valves, Check Valves, Reflux Valves	Supplier of Non Return Valves, Check Valves, Reflux Valves made from various materials including WCB, WCC, and CF8M. Customized sizes available.	– Competitive factory pricing – ISO9001:2015 certification ensures quality	– Customization may lead to longer lead times – Limited information on specific applications	www.sndfoundry.com

Frequently Asked Questions (FAQs)

What is a non-return valve and why is it important?

A non-return valve, also known as a check valve, allows fluid to flow in one direction while preventing backflow. This is crucial in various applications, such as plumbing and industrial systems, to maintain pressure and protect equipment from damage caused by reverse flow.

How do I choose a reliable non-return valve factory in China?

When selecting a factory, consider their experience, certifications, and customer reviews. Look for manufacturers that specialize in non-return valves and have a proven track record of quality and reliability. Request samples to assess their product quality before making a bulk order.

What materials are commonly used for non-return valves?

Non-return valves are typically made from materials like brass, stainless steel, PVC, and rubber. The choice of material depends on the application, pressure requirements, and the type of fluid being handled. Ensure the material is compatible with your specific needs.

What are the typical lead times for non-return valve production in China?

Lead times can vary based on the factory’s workload and the complexity of your order. Generally, you can expect production to take anywhere from 2 to 6 weeks. It’s best to communicate your timeline upfront to ensure timely delivery.

Can I customize non-return valves according to my specifications?

Yes, many factories in China offer customization options for non-return valves. You can specify dimensions, materials, and design features to meet your specific requirements. Be sure to discuss your needs with the manufacturer to ensure they can accommodate your requests.