In the sophisticated world of industrial piping systems, the National Standard Swing Check Valve (H44H model) is an indispensable asset. This expertly crafted valve plays a crucial role in preventing medium backflow, thereby guaranteeing smooth and uninterrupted operations across a spectrum of applications.
Comprehensive Product Overview and Detailed Technical Specifications
The H44H Swing Check Valve is masterfully engineered to accommodate a wide range of nominal pressures from PN1.6MPa to 42.0MPa and Class150 to 2500LB. With a nominal diameter extending from DN15 to 500mm and PNS1/2 to 20", this valve is designed to operate efficiently within an impressive temperature range of -196ºC to 540ºC. Crafted from robust materials like carbon steel and stainless steel, it adeptly handles mediums such as water, steam, gas, oil, and acidic substances.
Pioneering Working Principle and Distinctive Structural Features
Characterized by an innovative internal rocker arm swing structure, the H44H Swing Check Valve showcases all operational components encapsulated within the valve body, eliminating any external penetration. The strategic use of sealing gaskets and rings in the middle flange effectively prevents external leakage, thereby reducing valve leakage risks. The valve disc pivots around its axis, opening under fluid pressure. When higher pressure is detected on the outlet side compared to the inlet, the disc automatically closes, driven by pressure differentials and gravitational forces, thus averting unwanted backflow.
Wide-Ranging Application Fields and Unique Advantages
The H44H Swing Check Valve offers a versatile solution, widely utilized in water supply, drainage, fire safety, HVAC, and industrial systems. Its noteworthy features include:
Ideal for Diverse Environments: Perfectly tailored for the petroleum and chemical industries, as well as thermal power plants, among various other settings.
Minimize Water Hammer Pressure: Expertly designed with a hydraulic-compliant contour and a streamlined internal guide body to ensure minimal pressure loss.
Outstanding Sealing Performance: With sealing surfaces of the valve disc and seat crafted from iron-based alloy or Stellite cobalt-based hard alloy, the valve offers exceptional resistance to wear, temperature, and corrosion, ensuring a prolonged lifespan.
Seamless Installation: The valve is compatible with a variety of piping flange standards and sealing types, customized to fulfill diverse engineering specifications and customer demands.
Nestled in the illustrious Wenzhou City, the global nucleus of valve innovation, Wenzhou Afbv Valve Fittings Co., Ltd. cordially invites you to effortlessly enhance your business endeavors. Our unmatched synthesis of manufacturing brilliance and trading acumen offers an expansive range of categories, ensuring your purchasing experience is both simplified and exceptionally streamlined.Dedicated tostreamlining your purchasing process for ultimate efficiency and convenience.
Мы приехали из города Вэньчжоу, всемирно признанного центра клапанной промышленности. Выберите нас для упрощения вашего бизнеса. Наша интеграция производства и торговли предоставляет большое разнообразие категорий, облегчая ваш процесс покупки.
Our flagship innovation, the Three-Piece Design Flange Ball Valve for Heavy-Duty Applications, finds extensive utility across a spectrum of industrial sectors, delivering unparalleled performance and steadfast reliability.
Наш продукт активно используется в различных отраслях промышленности, обеспечивая исключительную надежность и высокую эффективность.
| 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., safeguarding your interests is our utmost priority. With our Security Deposit Return Guarantee, you can rest assured that your investment is protected, allowing you to concentrate fully on propelling your business forward. Revel in a seamless and transparent transaction process, backed by our deep-rooted integrity and dedication to maintaining transparency. Entrust your needs to an industry leader renowned for unwavering dedication to customer satisfaction and let us elevate your experience to new heights.
| 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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