The National Standard Swing Check Valve (H44H model) is an essential element in industrial piping systems, meticulously crafted to prevent the reverse flow of media and ensure seamless, uninterrupted performance across a wide range of applications. Its precision engineering makes it a reliable choice for maintaining system integrity.
Comprehensive Product Overview and Detailed Technical Specifications
The H44H Swing Check Valve is engineered to accommodate a wide spectrum of nominal pressures from PN1.6MPa to 42.0MPa and Class150 to 2500LB. Its nominal diameter ranges from DN15 to 500mm, and PNS1/2 to 20", making it versatile for various applications. Operating efficiently within a temperature span of -196ºC to 540ºC, this valve is constructed from high-grade materials such as carbon steel and stainless steel. It adeptly manages a variety of mediums, including water, steam, gas, oil, and acidic solutions, providing robust performance across diverse environments.
Revolutionary Working Principle and Distinct Structural Advantages
The H44H Swing Check Valve showcases an advanced internal rocker arm swing structure. Cleverly designed, all operational components are enclosed within the valve body, completely eliminating external penetration. The strategic use of sealing gaskets and rings in the middle flange ensures zero external leakage, significantly reducing valve leakage risks. The valve disc rotates about its axis, opening under the influence of fluid pressure. When higher pressure is detected on the outlet side compared to the inlet, the disc automatically closes due to pressure differentials and gravitational forces, effectively preventing any undesired backflow.
Diverse Application Domains and Notable Advantages
The H44H Swing Check Valve serves as a multipurpose solution, extensively utilized in water supply systems, drainage, fire safety, HVAC, and various industrial setups. Its remarkable features include:
Ideal for a Wide Range of Environments: Ideally suited for the demanding conditions of the petroleum and chemical industries, as well as thermal power plants, and several other environments.
Water Hammer Pressure Mitigation: Engineered with a hydraulically-optimized contour and streamlined internal guide body to ensure minimal pressure loss, enhancing system efficiency.
Outstanding Sealing Capabilities: The sealing surfaces of the valve disc and seat are crafted from durable iron-based alloy or Stellite cobalt-based hard alloy, ensuring exceptional resistance to wear, temperature, and corrosion, thereby extending the valve's operational lifespan.
Hassle-free Installation: Designed to be compatible with an array of piping flange standards and sealing types, this valve is tailored to meet diverse engineering standards and exceed customer expectations.
Nestled in the illustrious, world-renowned Wenzhou City, the undisputed epicenter of valve innovation, Wenzhou Afbv Valve Fittings Co., Ltd. cordially invites you to elevate your business ventures with unparalleled ease. Our exceptional blend of cutting-edge manufacturing and trade expertise offers an expansive selection of product categories, ensuring a purchasing journey that is both simplified and streamlined to perfection.Dedicated torevolutionizing your purchasing process.
Мы родом из города Вэньчжоу, признанного как родина клапанов. Выберите нас, чтобы упростить ваш бизнес. Наша фабрика и торговля объединены, предоставляя обширный ассортимент категорий для вашего удобства и упрощения процесса покупки.
Our flagship innovation, the Three-Piece Design Flange Ball Valve for Heavy-Duty Applications, stands as a testament to engineering excellence. Widely utilized across a spectrum of industrial sectors, this product ensures not only exceptional performance but also unwavering reliability in even the most demanding environments.
Наш продукт активно применяется в различных отраслях промышленности, гарантируя надежность и эффективность на высочайшем уровне.
| 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 |
Production of Manufacturer
Security Deposit Return Guarantee: At Wenzhou Afbv Valve Fittings Co., Ltd., your peace of mind is our utmost priority. With our unparalleled Security Deposit Return Guarantee, your valuable investment is impeccably protected, allowing you to concentrate on what truly matters - propelling your business to new heights. Experience a seamless, worry-free transaction process, bolstered by our steadfast commitment to both integrity and transparency. Partner with a trusted industry leader and enjoy the unparalleled confidence that comes with knowing we are wholly dedicated to ensuring your complete and total satisfaction.
| 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!
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