FAQ

Ningbo Kaituo Valve Co., Ltd. (also known as Ningbo Anke Fire Equipment Co., Ltd.) is a National High-Tech Enterprise specializing in the R&D, production, and export of fire extinguisher valves and fire protection accessories. Founded in 2001, we own the proprietary brand "anke" and hold 41 national patents, including utility model and invention patents. Our products obtained EN, CE and ISO certifications as early as 2007, meeting international quality standards.

Our core products are fire extinguisher valves, covering a wide range of types and specifications:

• CO2 Fire Extinguisher Valves: Made of copper alloy, equipped with safety pressure relief devices.
• Dry Powder/Water-Based Fire Extinguisher Valves: Brass construction with optional chrome or nickel plating, featuring overpressure protection devices.
• Trolley Fire Extinguisher Valves: Designed for 25-50KG large extinguishers.
• Other Products: Marine cylinder valves, gas valves, and more.

We have ISO, CE, TüV, MPA, BSI and other certifications.

Our valves are designed and manufactured in strict compliance with international standards:

• Valve bodies and stems are forged from HPb59-1 lead brass bar stock, conforming to Chinese GB/T 5231 and GB/T 4423 standards.
• Safety pressure relief structures are incorporated to prevent overpressure explosion risks.
• Thread specifications for cylinder connections strictly follow internationally accepted standards (such as PZ27.8, M30×1.5, etc.), ensuring compatibility with mainstream fire extinguisher cylinders.
• Seals are made of NBR (nitrile rubber) for long-term sealing performance.
• Our products have obtained EN, CE and ISO certifications, ensuring safe export to European and global markets.

Not exactly. Fire extinguisher valves are our core products, but our business scope goes far beyond that.

As a National High-Tech Enterprise, we are committed to providing comprehensive fire valve solutions to our customers. Our product line includes:

• Full Range of Fire Extinguisher Valves: Covering all kinds of extinguishers, including specialized valves for dry powder, water-based, CO₂, and other extinguishing agents.
• Marine Cylinder Valves: Specially designed for shipboard fire protection systems, meeting the demanding requirements of marine environments.
• Gas Valves: Specialized valves for gas transmission and pipeline systems.
• Customized Valve Solutions: We can develop and customize valves with specific specifications, materials, and functions according to customer requirements.

In addition, we also supply complementary fire protection accessories and hardware products, offering our customers a one-stop purchasing experience.

With 41 patented technologies and over 25 years of industry experience, we are well-equipped to handle various custom requirements for fire valves. If you have specific product needs, please contact us—we will provide professional solutions tailored to you.

Yes, we provide comprehensive ODM and OEM services.

As a National High-Tech Enterprise, we have a professional R&D team and technical service team capable of delivering full-process customized services from design to production. Our customization services include:

• OEM Services: Based on customer-provided drawings, specifications, or samples, we strictly follow your requirements for production and processing, ensuring that the products fully meet your technical parameters and quality standards.
• ODM Services: If you have new product concepts or functional requirements, our R&D team can participate in product design, provide innovative solutions, and complete the entire process from development to mass production.

Flexible Customization Options:

• Valve material customization (brass, aluminum alloy, stainless steel, etc.)
• Thread specification customization (adapting to different fire extinguisher cylinder interfaces)
• Surface treatment customization (chrome plating, nickel plating, electrophoretic coating, etc.)
• Product specification adaptation (for all kinds of fire extinguishers)

All customized products are backed by our strict quality management system and comply with international certification standards including EU EN, CE, and ISO. With our independent R&D capabilities and 41 patented technologies, we have the expertise to transform your product concepts into mature solutions that meet international standards.

For more information about our OEM/ODM services, please contact us—we will provide professional customized solutions based on your specific needs.

As a National High-Tech Enterprise, Kaituo Valve possesses strong in-house R&D capabilities:

• Patent Portfolio: We hold 41 national patents covering various technical fields, including portable quick-install opposed valves, handwheel-type gas valves for gas transport, CO₂ valve assemblies, dry powder puncture valves, and high-power stored-pressure dry powder valves.
• Innovative Designs: For example, our high-power stored-pressure dry powder valve features a separate design for dry powder and compressed gas, ensuring zero internal pressure during storage for enhanced safety, while facilitating batch filling and maintenance.
• Continuous R&D: We maintain a dedicated R&D center and testing facility equipped with high-precision instruments, continuously improving processes and product performance.

Our quality management system covers the entire product lifecycle:

• Raw Material Control: We select standard-compliant copper alloys, stainless steel, and other materials that offer corrosion resistance and high-pressure endurance.
• Precision Machining: Valve bodies undergo forging and precision machining, followed by anti-corrosion treatments such as passivation and electrophoretic coating, ensuring smooth and defect-free surfaces.
• Multiple Testing Procedures: Products are subjected to hydrostatic pressure tests, sealability tests, overpressure protection device activation tests, and more, ensuring reliable performance.
• International Certifications: Our products meet CE, EN, and other international standards, earning recognition from customers in dozens of countries worldwide.

Yes, we support customization services. Customers can choose from:

• Surface Finishes: Chrome plating or nickel plating to meet different corrosion resistance and aesthetic requirements.
• Thread Specifications: Customized to match customer cylinder interface requirements.
• Product Specifications: Valve designs compatible with different extinguisher capacities.

For specific MOQ information, please contact our sales team directly.

Our factory has a monthly production capacity of over 300,000 valves, capable of handling large-volume orders. With mature production management and a well-established supply chain, we typically deliver within agreed timelines. Exact lead times depend on order volume and customization requirements—please consult our sales team for accurate information.

Our products are packaged in standard export-grade packaging to ensure they arrive in perfect condition during long-distance transportation. Customized packaging options (such as cartons, pallets, etc.) are available upon request. With extensive export experience, our products are shipped to dozens of countries worldwide, and we are well-versed in handling international logistics.

You can reach us through the following channels:

• Official Website: www.ankefire.com
• Email: ivy@ankefire.com
• Phone: 0574-62010119 / 0574-62010998
• Office Address: SHengye Building 509, No.158 Tai'an Middle Road, Yinzhou District, Ningbo, Zhejiang, China
• Factory Address: Huilong Village, Huangjiabu Town, Yuyao City, Zhejiang Province, China.

The fire extinguisher valve is the core component that controls the discharge of extinguishing agent. Its working principle is as follows: In the non-operating state, the valve maintains absolute airtightness to prevent propellant gas leakage. When the operating handle is pressed down, the valve stem moves downward, opening the valve passage, and internal pressure drives the extinguishing agent out through the nozzle or hose. Upon releasing the handle, the internal spring system automatically resets the valve stem, and the valve closes again, stopping agent discharge—this design allows intermittent operation, conserving extinguishing agent. The valve stem is the most critical component and the most frequently replaced part during maintenance, as its reliability directly determines whether the extinguisher will function properly in a fire emergency.

Kaituo Valve offers multiple material choices to suit different application scenarios and customer requirements:

• Brass (HPb59-1 Lead Brass): The classic valve material, forged for excellent corrosion resistance and mechanical strength, suitable for most conventional fire extinguisher applications.
• Aluminum Alloy (AL6061): Aluminum valves offer moderate strength, good formability, corrosion resistance, and machinability, with the added benefit of lighter weight for improved portability and handling. Some aluminum valves can be chrome or nickel plated for enhanced aesthetics and durability.
• Stainless Steel: For highly corrosive environments or specialized applications, stainless steel valves provide superior corrosion resistance and durability, maintaining stable performance under high temperature and pressure conditions to extend fire extinguisher service life.

Customers can select the most suitable material based on extinguisher type, operating environment, and budget. Customized surface treatment options (chrome plating, nickel plating, electrophoretic coating, etc.) are also available upon request.

Purchasing directly from a manufacturer like Kaituo Valve (Anke Fire) offers distinct advantages over buying through distributors or trading companies:

• Factory-Direct Pricing: By eliminating intermediaries, we offer competitive pricing without compromising quality. You pay for the product, not the markup.
• Quality Control at the Source: As the actual producer, we have full control over every stage of production—from raw material selection to precision machining and final testing. This ensures consistent quality you can rely on.
• Technical Expertise: With over 25 years of experience in the fire trade and 41 patented technologies, we don't just sell valves—we provide engineering solutions. Our team can assist with product selection, customization, and technical troubleshooting.
• Customization Flexibility: Direct communication with our R&D and production teams means faster turnaround on custom specifications (thread types, surface finishes, etc.).
• Reliable Supply Chain: With a monthly production capacity of over 300,000 valves, we can scale to meet your demand, whether you need a sample batch or a full container order.

When you work with Kaituo Valve, you're not just buying a product—you're building a long-term partnership with a trusted industry expert.

Kaituo Valve is committed to providing comprehensive after-sales support:

• Professional Technical Support: Our sales and technical teams are always ready to assist with product selection, installation guidance, and usage inquiries. You can contact us via our website, phone, or email, and our expert team promises a response within 12 hours.
• Customization Services: We can customize thread specifications, surface finishes, compatibility with different extinguisher models, and more according to customer requirements.
• Quality Assurance: Our products are certified with EU EN, CE, and ISO9001 quality system certifications, with strict implementation of quality management systems.
• Stable Supply: With a monthly production capacity exceeding 400,000 valves, we ensure reliable delivery for large-volume orders.