Product use
D43H, D343H type PN10~PN40 metal hard seal butterfly valve adopts precision J-shaped elastic seal ring and three eccentric multi-layer metal hard seal structure, which is widely used in the medium temperature ≤425ºC gold, electric power, petrochemical, water supply and drainage and municipal construction and other industrial pipelines, for regulating flow and cutting body use.
Product characteristics
1, the metal hard seal butterfly valve adopts a three-eccentric sealing structure, the valve seat and the butterfly plate almost no wear, with a tighter sealing function
2, the sealing ring is made of stainless steel, with the double advantages of metal hard seal and elastic seal, regardless of low temperature and high temperature, it has excellent sealing performance, corrosion resistance, long service life and other characteristics
3, the sealing surface of the butterfly plate adopts surfacing welding cobalt-based cemented carbide, the sealing surface is resistant to wear and long service life
4, large specifications of the plate quilted structure, high strength, large flow area, small flow resistance
5, the metal hard seal butterfly valve has a two-way sealing function, the installation is not limited by the flow of the medium, is not affected by the spatial position, can be installed in any direction
6, the drive device can be installed in multiple stations (rotation 90° or 180°), easy to use
enforce standards
Design specification: GB/T 12238
Structure length: GB/T 12221
Flange connection: GB/T 9113
Test and inspection: GB/T 13927
Product ID: GB/T 12220
Performance parameter
| Model number |
D343H-10
D343H-16
D343H-25
D343H-40 |
D343H-10P
D343H-16P
D343H-25P
D343H-40P |
D343H-10R
D343H-16R
D343H-25R
D343H-40R |
| Working pressure(MPa) |
1.0~4.0 |
| Applicable temperature(ºC) |
≤425 |
≤200 |
| Applicable medium |
Water, oil or non-corrosive media |
Nitric acid medium |
Acetic acid medium |
| Materials |
Valve body, butterfly plate |
WCB |
CF8/304 |
CF3M/316L |
| Valve stem |
2Cr13 |
304 |
316L |
| Valve body sealing surface |
Surfacing 507 |
- |
- |
| Butterfly sealing surface |
304+ flexible graphite |
304+PTFE |
304+PTFE |
| filler |
Flexible graphite |
PTFE |
PTFE |
Company Profile
Shanghai Xiaquan Valve Manufacturing Co., Ltd. (hereinafter referred to as "Xiaquan") is a professional manufacturer specializing in the research and development of valves for harsh conditions such as high temperature, high pressure, and ultra-low temperature. The company is headquartered in the Fengxian Industrial Zone and the Jiading Jinyuan Industrial Zone in Shanghai. With over 30 years of experience in the valve industry and a registered capital of 5 million yuan, the company has five subsidiaries. After years of hard work and development, it has become a key backbone enterprise in China's valve industry, focusing on enhancing the manufacturing and innovation capabilities of specialized valves for demanding industrial environments, and is committed to providing customers with a complete set of fluid control solutions. It is a large valve enterprise that integrates scientific research and development, testing and inspection, manufacturing, and sales.
The company covers an area of 80 acres, with a production workshop of 21,200 square meters and office space of 3,000 square meters, with a total investment of 120 million yuan. The company currently employs over 300 people, including more than 50 engineering and technical personnel, among which there are 12 senior titles and over 30 intermediate titles. It has a professional production workshop, a systematic large-scale CNC machining center, an automated horizontal machining center, large gantry lathes, fully automatic welding machines, and a complete assembly line operation platform. Currently, Xiaquan Valves is accelerating its intelligent transformation and upgrading, aiming to build a world-class valve factory and become an excellent valve enterprise and integrated supplier of solutions.
The company is dedicated to technological advancement, improving employee quality, optimizing resources, and implementing planned updates and renovations to ensure that various resources meet the needs of management, execution, and activities. The company focuses on enhancing resource assurance capabilities and long-term development planning in the following areas: 1. Timely supplementing and equipping technical and management personnel and operators, strengthening employees' quality awareness and professional skills through education and training, so that they understand our goal is high-quality products and customer satisfaction, and have the ability to achieve quality objectives. 2. Equipping or updating design, research and development, and manufacturing equipment, enriching and perfecting testing equipment and methods, and promoting the use of computers in design, production, testing, and business management.
The company's leading products include gate valves, stop valves, ball valves, butterfly valves, check valves, plug valves, balancing valves, steam traps, pressure reducing valves, regulating valves, and special valves. Based on conventional valve types, the company has introduced and developed over 200 series and more than 1,000 specifications of high-end special valves, including high-pressure hydrogen valves, anti-coking ball valves, high-temperature wear-resistant self-sealing gate valves, high-temperature blow-cleaning gate valves, high-temperature wear-resistant pipeline ball valves, ultra-low temperature valves, vacuum stop valves, emergency shut-off valves, and high-temperature high-pressure nuclear power valves.
The main materials of Xiaqian products include carbon steel, forged steel, stainless steel, chromium-molybdenum steel, low-temperature steel, duplex steel, Hastelloy C, Monel, and others. The standards adopted include national standards, American standards, German standards, British standards, and Japanese standards. The products cover industries such as petroleum, chemical engineering, electric power, natural gas, coal chemical, aerospace, metallurgy, and papermaking. The company has a complete standardized management system and employs world-class precision casting technology along with modern electronic testing systems. It utilizes advanced SAP resource management, bar code warehousing management systems, and ERP systems to manage the factory. From material selection to finished product delivery, the entire production process is organized using internationally advanced management models, achieving specialized, automated, and standardized production. The company insists on technological innovation as the leading force for its development, establishing a CAD valve design center, a three-dimensional simulation manufacturing design system, a valve testing center, and a testing platform to optimize product structure and ensure the quality and speed of new product research and development. Qizhongren firmly believes that the high-quality products bearing the responsibility and quality of Xiaqian valves will be found all over the world.
The company has been awarded over 20 honors, including membership in the Valve Branch of the China General Machinery Industry Association, membership in the China Petroleum and Chemical Equipment Industry Association, member unit of the China Electric Power Equipment Spare Parts Network, member of the China Engineering Construction Products Association, member of the China Urban Gas Association, member of the China Building Metal Structure Drainage Branch, recognized as a trustworthy unit in Shanghai for heavy contracts, a bank credit AAA-rated enterprise, and a national authority-certified quality qualified product. The company has won praise and trust from a wide range of domestic and international customers with its excellent product quality, complete variety, favorable prices, and comprehensive and prompt after-sales service. Adhering to the principle of "quality first, customer foremost," the company upholds the corporate spirit of "openness, innovation, service, excellence," and a market-centered business philosophy to provide the most comprehensive services to its customers. We welcome your company to visit and guide "Shanghai Xiaqian Valve Manufacturing Co., Ltd."
FAQ:
Q: Are you trading company or manufacturer ?
A: We are factory Located In ShangHai, China.
Q: What's your product range?
A: We produce Butterfly valve, Gate valve, Check valve, Y strainer ,Water Controlling Valve and other Pipe Accessories .
Q: What's Execution Standard?
A: ISO/ANSI/DIN/JIS/ EN/GOST/AS standard.
Q: What's your Strong product ?
A: Centre Line Butterfly valve, Eccentric Butterfly valve ,Resilient Seat Gate valve, and largest size to DN3200 .
Q: How long is your delivery time?
A: Generally it is 10 days if the goods are in stock. or it is 35 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 30% T/T in advance ,balance before shipment.
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