China Valve Packing Co., Ltd.
Xiamen Fujian China
China Valve Packing Co., Ltd. is located at Xiamen in China, Fujian . They are Distributors, Manufacturers, Suppliers, Wholesalers etc. of various Machines. Their main business regions are Central African Republic, China . The machines they are supplying mainly used for Construction industry, Engineering Industry etc. The company established in the year 1994.
China Valve Packing Co., Ltd.
NO.93, East Hubin Road,
Xiamen, Fujian, China
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Phone Number+865925819200
Company Message
China Topper Valve Packing Seal Kits Co., Ltd. is a specialized manufacturer focused on delivering high-performance industrial valves, sealing gaskets, and packing solutions tailored for critical applications in demanding industries. Our comprehensive valve portfolio—including gate, globe, and ball valves—is engineered to meet rigorous API standards and features advanced low-leakage graphite packing designed to excel under extreme pressure and temperature conditions.Industrial Usage
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E-mail :Popular FAQ
1. What is valve packing?
Valve packing is a sealing material placed around the valve stem to prevent fluid leaks between the stem and valve body while allowing smooth stem movement.
2. What materials are commonly used for valve packing?
Common packing materials include PTFE (Teflon), graphite, acrylic fiber, and oil-impregnated fibers, often braided or formed into rings.
3. Why is valve packing important?
Proper valve packing prevents leaks and fugitive emissions, protecting the environment and maintaining system efficiency and safety.
4. How does valve packing work in different valve types?
Valve packing fits inside the valve bonnet and compresses around the stem to seal; designs vary for rising stem and rotary stem valves but the sealing principle is consistent.
5. What are stationary loading and live loading in valve packing?
Stationary loading uses manual tightening to compress packing, while live loading employs springs to maintain constant pressure as the packing wears.
6. How often should valve packing be replaced or maintained?
Valve packing requires periodic inspection and may need adjustment or replacement depending on wear, leakage, and operating conditions.
7. Can valve packing be customized for specific applications?
Yes, packing materials and designs can be tailored for pressure, temperature, chemical compatibility, and valve type requirements.
8. What industries use valve packing products?
Valve packing is used across chemical, petrochemical, power generation, oil & gas, water treatment, mining, and general industrial sectors.
9. What certifications ensure the quality of valve packing products?
Quality valve packing products hold certifications such as API 622, ISO 15848-1, TA-LUFT, API 624, and API 641.
10. What is the difference between valve packing and pump packing?
Valve packing must create a tighter, leak-free seal for valves, whereas pump packing allows some leakage for lubrication and cooling of rotating shafts.
11. How does valve packing help in reducing environmental fugitive emissions?
High-quality packing minimizes leaks around valve stems, which reduces harmful emissions escaping into the environment.
12. What are seal kits and packing kits?
Seal kits and packing kits include preassembled materials for replacing valve packing and seals during maintenance or overhaul.
13. How does valve packing affect valve stem friction?
Properly installed packing provides a seal with minimal friction; overtightening increases friction, causing wear and difficult valve operation.
14. Are low-leakage graphite packing products available?
Yes, specialized graphite packing designed for low leakage and high temperature/pressure resistance are offered for demanding applications.
15. What services accompany valve packing product supply?
Manufacturers often provide technical support, customized solutions, quality testing, and documented compliance with international standards.
Comprehensive Internet Overview with AI
- Company Name: China Topper Valve Packing Seal Kits Co., Ltd.
- Location: The company is located in Xiamen, Fujian, China, with a specific address of NO.93, Hubin East Road.
- Specialization: A specialized manufacturer focused on high-performance industrial valves, sealing gaskets, and packing solutions for demanding industrial applications.
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Products:
- Industrial Valves: Includes a range of valves such as low emission, ball, gate, globe, check, butterfly, and control valves.
- Valve Packings & Gaskets: Materials used include carbonized fiber, PTFE, Nomex fiber, graphite, and cotton fiber.
- Research & Development: The company emphasizes R&D to improve valve sealing performance, particularly in low-leakage graphite packing that meets **API 622** standards.
- Certifications: Products undergo strict third-party testing and hold international certifications such as **API 622, ISO 15848-1, TA-LUFT, API 624, and API 641**.
- Technical Advantages: Known for a scientific approach to material behavior and the development of advanced coatings to produce durable, high-performance sealing solutions.
