H14
Water
Low Temperature
Stainless Steel
Thread
Swing
Reversing
GB
Water Industrial Usage
Heavy,Middle,Light
Lock or No Lock
as Customer Request
15days
Samll Case and Plastic Bag
AFBV
Ply Wood Case
1/4"-4"
China
848180
Product Description

A swing check valve is a type of one-way valve designed to prevent the backflow of fluids in a piping system. It operates by using a hinged disc or "swing" mechanism that opens to allow fluid to flow in one direction and closes when the flow reverses, thereby preventing backflow. The valve is typically installed on the discharge side of a pump or at other locations where preventing reverse flow is critical to system integrity and operational safety.
Swing check valves are commonly used in various industries, including water treatment, HVAC systems, oil and gas, and chemical processing. They are valued for their simple, reliable design and ease of maintenance, with no external power or actuation needed. The valve's disc swings on a hinge or lever and is typically spring-loaded or gravity-operated to close when there is a reverse flow or when the system pressure drops.
The valve's body is often made from materials like cast iron, stainless steel, or bronze, ensuring durability and corrosion resistance in different fluid environments.
Swing check valves are ideal for applications where low pressure drop, minimal turbulence, and high flow efficiency are desired. They are especially effective in large pipeline systems where a more compact or lighter alternative to traditional lift check valves is needed. Their simple yet effective mechanism ensures long-lasting performance in preventing backflow and protecting pumps and other critical equipment from damage.
Swing check valves are commonly used in various industries, including water treatment, HVAC systems, oil and gas, and chemical processing. They are valued for their simple, reliable design and ease of maintenance, with no external power or actuation needed. The valve's disc swings on a hinge or lever and is typically spring-loaded or gravity-operated to close when there is a reverse flow or when the system pressure drops.
The valve's body is often made from materials like cast iron, stainless steel, or bronze, ensuring durability and corrosion resistance in different fluid environments.
Swing check valves are ideal for applications where low pressure drop, minimal turbulence, and high flow efficiency are desired. They are especially effective in large pipeline systems where a more compact or lighter alternative to traditional lift check valves is needed. Their simple yet effective mechanism ensures long-lasting performance in preventing backflow and protecting pumps and other critical equipment from damage.
We come from Wenzhou City, known as the hometown of valves. Choose us to make business easier. Our factory and trading are united, providing more categories for your selection and facilitating your purchase.
Мы приехали из города вэньчжоу, известного как родной город клапанов. Выберите нас, чтобы сделать бизнес проще. Наша фабрика и торговля объединены, предоставляя больше категорий для вашего выбора и облегчения покупки.
Our Product iswidely used in following industrials
Наш продукт активно применяется в промышленности
Мы приехали из города вэньчжоу, известного как родной город клапанов. Выберите нас, чтобы сделать бизнес проще. Наша фабрика и торговля объединены, предоставляя больше категорий для вашего выбора и облегчения покупки.
Our Product iswidely used in following industrials
Наш продукт активно применяется в промышленности
Petroleum | Нефть и газ |
Chemical Industry | Химическая промышленность |
Natural Gas | Природный газ |
Power | Электричество |
Architectural Engineering | Архитектурное |
New Energy | Новые источники энергии |
Heating | Для обогрева помещений |
Hot oil,Steam | Горячее масло, пар |






Secutity Deposit Return Guarantee
Order Size | Discount for Customers | Prpayrit quired | Cash Required |
USD5000-20000 | 2%OFF | 30% | USD200/CNY1500 |
USD20001-40000 | 2%OFF | 30% | USD500/CNY3000 |
USD40001 | 2%OFF | 20% | USD1000/CNY5000 |
1. Whether the company is a factory or a trader?
We are the source factory of industrial valves, casting and finishing integrated operation, with
about 15 years of production and trade experience, we produce products adhere to quality,
through international certification, according to the market for technological innovation, with
cost-effective advantages, is the customer's favorite choice.
2.Where is the company address, can you see the factory offline?
Wenzhou AF Valve Fittings Co., Ltd. is located in Binhai Economic Development Zone,
Longwan District, Wenzhou City, with production advantages of the source factory, specializing in
the production of bellows valve series and other industrial valves. Welcome customers to visit the factory and discuss cooperation.
3. Is the company's product certified?
The company has passed EAC,ISO,CE certification, each product is produced in strict accordance
with the standard process, and must pass the quality inspection before it can be delivered to the
customer.
4. What is the company's delivery capacity?
It will take about 15 days for the goods to arrive from the time of customer's order to
shipment arrangement.
5. How about the after-sales service and warranty?
Warranty period: 12 months from the date of delivery; We will take care of all quality problems. If a longer warranty is required, it can be detailed and discussed.
6. May I have a sample?
Sure. We welcome you to order samples for testing and quality check. A wide range of samples
are accepted.
7. Whether custom is supported, MOQ?
We support the customization of different materials, specifications, sizes, types of valves.
Welcome to figure customization and send detailed parameters. Minimum order quantity: 20pcs
8. Shipping method and payment?
We support sea freight and air freight. Payment terms support L/C T/T D/P, etc
9. Why choose us?
1 We offer genuine products of high quality at competitive prices. 2. We have worked with
customers in more than 60 countries and regions around the world and know the market very well. 3.We have been focusing on industrial valves for more than 15 years, and you can rest assured when working with us. 4. The after-sales service will be very satisfactory. Any questions and feedback will be answered in a short time
10. What is the packaging like?
Outer packing wooden cases, woven bags, export wooden pallets, foam filled inner packing, to
ensure moisture-proof, sealed, strong packing, light weight, easy to transport.
Do not hesitate , call us action!