KC Nipple

Professional KC Nipple Manufacturer & Global Supplier

 

Fuyikang is a professional manufacturer and global supplier of high-quality KC Nipples, also known as King Combination Nipples, designed for industrial hose assemblies, fluid transfer systems, petroleum handling, agriculture, construction, mining, chemical processing, and water transfer applications.

 

 
 
Why Choose Fuyikang KC Nipples

Precision Machined for Secure Connections:Each KC Nipple is manufactured with precise dimensional tolerances to ensure accurate fitment with hoses, clamps, threaded fittings, and piping systems. Consistent machining helps improve assembly efficiency and connection reliability.


Multiple Material Options:Fuyikang manufactures KC Nipples in carbon steel, galvanized steel, stainless steel, aluminum, and brass to meet different pressure requirements, corrosion environments, and industrial applications.


Excellent Mechanical Strength:Designed for demanding industrial environments, our KC Nipples provide dependable mechanical strength, helping maintain secure hose assemblies during continuous operation.


Wide Compatibility:Suitable for use with rubber hoses, PVC hoses, lay-flat hoses, suction hoses, discharge hoses, petroleum hoses, chemical hoses, and general industrial hose systems.


Flexible End Configurations:Available with Male NPT Thread, Female NPT Thread, Plain End, Beveled End, Grooved End, Combination Ends, and customized configurations for OEM projects.

 

Specification

Dimension

Carbon Steel

SS316

SS304

Aluminum

DN15

V

V

V

V

DN20

V

V

V

V

DN25

V

V

V

V

DN32

V

V

V

V

DN40

V

V

V

V

DN50

V

V

V

V

DN63

V

V

V

V

DN75

V

V

V

V

DN100

V

V

V

V

DN125

V

V

V

 

DN150

V

V

V

 

DN200

V

 

 

 

DN250

V

 

 

 

DN300

V

 

 

 

 

Key Features of Fuyikang KC Nipples

 
Stainless Steel KC Nipple

Reliable Hose Retention:The precision-machined hose shank provides excellent grip inside the hose when used with appropriate hose clamps or ferrules, helping create a secure mechanical connection.


Corrosion Protection:Galvanized carbon steel, stainless steel, brass, and aluminum options provide suitable corrosion protection for different industrial environments, including outdoor, marine, agricultural, and chemical applications.


High Dimensional Accuracy:Advanced CNC machining ensures consistent threads, hose shank geometry, and sealing surfaces, helping simplify installation and improve interchangeability.

Long Service Life:Premium raw materials combined with strict manufacturing control help extend service life under demanding industrial operating conditions.


Wide Industrial Compatibility:Suitable for water, petroleum products, compressed air, industrial fluids, fertilizers, agricultural chemicals, and many other non-corrosive or compatible media depending on material selection.


Easy Installation & Maintenance:KC Nipples can be assembled using standard hose clamps or crimping systems, making installation, maintenance, and hose replacement efficient.

Stainless Steel KC Nipple

 

Applications
 

Petroleum & Fuel Transfer

Used in petroleum transfer hoses, fuel delivery systems, storage terminals, tank trucks, and oilfield equipment.

Agriculture & Irrigation

Suitable for irrigation systems, fertilizer transfer, agricultural spraying equipment, and water supply hoses.

Construction Industry

Applied in temporary water supply, dewatering, slurry transfer, and construction site hose systems.

Mining Operations

Used for industrial water transfer, dust suppression, compressed air systems, and mining equipment maintenance.

Chemical Processing

Selected material options are suitable for chemical transfer systems where compatibility requirements are met.

Industrial Manufacturing

Widely used in factories, processing plants, maintenance departments, and industrial fluid handling systems.

 

 
Our Manufacturing Process
 

Every KC Nipple is manufactured through standardized production procedures to ensure reliable quality and dimensional consistency.

01/

Raw Material Inspection:All incoming materials are inspected for chemical composition, mechanical properties, and dimensional compliance before production begins.

02/

CNC Machining:Advanced CNC lathes produce precision hose shanks, threads, sealing surfaces, and connection profiles with strict tolerance control.

03/

Thread Processing:Threads are machined according to applicable international standards to ensure reliable compatibility with mating components.

04/

Surface Treatment:Depending on material and customer requirements, products may undergo galvanizing, polishing, passivation, or other finishing processes to improve corrosion protection and appearance.

05/

Dimensional & Quality Inspection:Critical dimensions, thread accuracy, surface quality, and product appearance are inspected throughout production to maintain batch consistency.

06/

Packaging & Warehouse Management:Finished products are cleaned, packaged using export-standard materials, labeled, and stored in controlled warehouse conditions before shipment.

 

 
 
Quality Control

At Fuyikang, quality control is integrated into every stage of KC Nipple manufacturing. From raw material inspection to final packaging, each production process follows standardized operating procedures to ensure consistent product quality, dimensional accuracy, and dependable performance. 

Our quality control process includes:

Stainless Steel KC Nipple
 

Raw Material Verification:All incoming raw materials are inspected for material grade, chemical composition, mechanical properties, and dimensional compliance before entering production. Only qualified materials are approved for manufacturing.


In-Process Dimensional Inspection:Critical dimensions, including hose shank diameter, thread dimensions, overall length, and sealing surfaces, are inspected throughout production to maintain strict manufacturing tolerances.


Thread Accuracy Inspection:Thread profiles are verified using calibrated gauges to ensure compatibility with applicable thread standards such as NPT, BSP, and BSPT, helping ensure reliable installation and secure connections.

 

Surface Quality Inspection:Every KC Nipple is visually inspected for machining quality, surface finish, burr removal, coating integrity, and overall appearance before moving to final inspection.


Batch Traceability:Each production batch is recorded and managed through a traceability system, allowing production records and inspection results to be tracked throughout the manufacturing process.


Final Product Inspection:Before shipment, finished products undergo final inspections covering dimensions, appearance, thread quality, labeling, packaging, and order verification to ensure every shipment meets customer specifications.

 

Through continuous quality monitoring and standardized manufacturing procedures, Fuyikang delivers reliable hose connection products that meet the expectations of industrial customers worldwide.

Stainless Steel KC Nipple

 

How to Choose the Right KC Nipple
 
 

Selecting the proper KC Nipple requires consideration of multiple operating conditions.

Professional buyers generally evaluate:

Hose inside diameter
Thread type
Thread size
Working pressure
Operating temperature
Conveyed media
Material compatibility
Corrosion environment
Installation method
Applicable industry standards

Fuyikang's engineering team can recommend the most suitable KC Nipple configuration based on your application requirements. 

 

Company Strength

Suzhou Fuyikang Metal Industrial Co., Ltd. is a manufacturing factory specializing in the precision casting and machining of stainless steel products. Our primary casting method is full-silica sol investment casting. The company is located in Suzhou, China. Besides advanced casting equipment, machining centers and CNC lathes, we also have a team of experienced senior technical experts who possess rich production experience and superb professional skills.

Our advantages include:

Modern CNC machining equipment

Experienced engineering team

Standardized production management

Strict quality control procedures

Flexible manufacturing capability

Stable production capacity

Professional export services

Responsive technical support

 

Packaging & Global Shipping

To ensure products arrive safely and maintain product quality throughout transportation, Fuyikang provides export-standard packaging solutions.

Packaging options include:

  • PE Bags
  • Individual Boxes
  • Bulk Cartons
  • Pallet Packaging
  • OEM Retail Packaging
  • Customized Carton Printing
 

Shipping methods include:

  • Sea Freight
  • Air Freight
  • Railway Transportation
  • Express Delivery
  • Multimodal Logistics
 

 

Certifications & Quality Assurance

 

Quality is integrated throughout every stage of manufacturing.

Fuyikang provides complete quality documentation according to customer requirements, including:

  • Certificate of Conformity (COC)
  • Material Certificate
  • Certificate of Origin (CO)
  • Third-Party Inspection Support (SGS, BV, TÜV, or customer-designated inspection agencies)

 

 

FAQ

 

Q:What is a KC Nipple?

A:A KC Nipple, also known as a King Combination Nipple, is a hose coupling designed to connect industrial hoses to threaded fittings, pumps, valves, tanks, and piping systems.

Q:What materials are available?

A:We manufacture KC Nipples in carbon steel, galvanized steel, stainless steel, aluminum, brass, and other materials based on application requirements.

Q:What is the difference between a KC Nipple and a standard hose barb?

A:A KC Nipple is designed for industrial hose assemblies and typically combines a hose shank with threaded, grooved, beveled, or plain-end connections, making it suitable for connecting hoses to pumps, valves, pipes, and other fluid handling equipment.

Q:Can KC Nipples be used for suction and discharge hoses?

A:Yes. KC Nipples are commonly used with suction and discharge hose assemblies for water transfer, petroleum handling, agricultural irrigation, and many industrial fluid transfer applications. Product selection should always match the hose specifications and operating conditions. 

Q:Which material is best for corrosive environments?

A:For applications involving moisture, chemicals, or marine environments, stainless steel is generally recommended due to its excellent corrosion resistance. Our technical team can recommend suitable materials based on your operating environment and conveyed media.

Q:Can you manufacture according to international standards?

A:Yes. Our manufacturing process follows internationally recognized dimensional and quality requirements. We can also produce according to customer-specific technical drawings and applicable industry standards.

Q:Which thread standards do you support?

A:Fuyikang manufactures products with NPT, BSP, BSPT, and other international thread standards according to customer specifications.

Q:Can KC Nipples be used with hose clamps?

A:Yes. KC Nipples are commonly installed using hose clamps or crimping systems depending on the hose type and operating conditions.

Q:Can you manufacture according to drawings?

A:Yes. We support custom manufacturing based on technical drawings, samples, or OEM specifications.

Q:Can samples be provided?

A:Yes. Sample orders are available for dimensional verification, quality evaluation, and product testing before mass production.

Q:Do you support worldwide shipping?

A:Yes. Fuyikang supplies KC Nipples to customers across North America, Europe, South America, Southeast Asia, the Middle East, Australia, and many other international markets, supported by complete export documentation and flexible logistics solutions.

As one of the most professional kc nipple manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. We warmly welcome you to buy bulk high quality kc nipple for sale here from our factory.