Storz Coupling

Professional Storz Coupling Manufacturer & Global Supplier

Fuyikang is a professional manufacturer and global supplier.We offer reliable and fast connection joint solutions to help customers achieve rapid hose installation, safe connection, and efficient fluid transportation in harsh operating environments.

Storz Coupling Product Range

Pin Lug Storz Couplings

Pin Lug Storz Couplings are one of the most widely used configurations within the Storz coupling system. The external locking lugs provide operators with convenient gripping points, allowing hoses to be connected or disconnected quickly by hand or with a dedicated Storz spanner wrench when additional tightening is required.

Self Lock Storz Couplings

Self Lock Storz Couplings incorporate an automatic locking mechanism that helps prevent accidental disconnection caused by vibration or hose movement during operation.After the coupling halves are rotated into position, the self-locking mechanism engages automatically, improving operational safety while reducing the possibility of unintended separation in demanding working environments.

Alloy Storz Couplings

Alloy Storz Couplings are manufactured from high-strength aluminum alloy to provide an excellent balance of mechanical strength, corrosion resistance, and lightweight handling.Compared with heavier steel couplings, aluminum alloy versions reduce operator fatigue during frequent hose deployment while maintaining the structural integrity required for demanding applications.

General Specifications

Item	Available Options
Product Name	Storz Coupling
Product Types	Pin Lug, Self Lock, Alloy Storz Coupling
Materials	Aluminum Alloy, Brass, Stainless Steel or Customized
Connection Types	Hose Tail, Male Thread, Female Thread, Flange, Adapter
Locking Type	Quarter-Turn Symmetrical Locking System
Seal Type	Rubber Gasket
Surface Finish	Natural, Polished, Anodized or Customized
Standards	DIN, Customer Specifications or Customized
Available Sizes	Standard and Customized Sizes
Logo	Laser Marking, Cast Logo or Customized
Packaging	PE Bag, Box, Export Carton, Pallet
Private Label	Supported
Sample Development	Available

Material Comparison

Selecting the appropriate material is essential for ensuring reliable operation, corrosion protection, and long-term service life. Material selection should consider the transferred medium, environmental exposure, operating pressure, maintenance frequency, and application requirements.

Material	Main Advantages	Typical Applications	Selection Considerations
Aluminum Alloy	Lightweight, corrosion-resistant, easy handling	Firefighting, irrigation, portable pumping	Ideal where weight reduction is important
Brass	Excellent corrosion resistance and durability	Marine systems, water supply, municipal equipment	Suitable for long-term water service
Stainless Steel	Superior corrosion resistance and strength	Chemical processing, offshore, food processing	Recommended for highly corrosive environments

Key Features of Fuyikang Storz Couplings

Fuyikang Storz Couplings are engineered to provide quick, reliable, and reusable hose connections for fire protection, municipal water supply, industrial pumping, marine operations, and fluid transfer systems. Their symmetrical design, durable construction, and versatile connection options help improve installation efficiency while reducing maintenance time and operating costs.

Symmetrical Quarter-Turn Design:Unlike conventional threaded couplings, Storz Couplings use a symmetrical quarter-turn connection system. Because both coupling halves share the same connection profile, operators do not need to identify male or female ends before installation. This simplifies hose deployment, reduces assembly time, and improves operational efficiency, particularly in emergency situations.

Fast Hose Connection:The quarter-turn locking mechanism allows hoses and equipment to be connected or disconnected within seconds. This rapid connection capability is especially valuable for fire protection, flood control, emergency pumping, and temporary water supply systems where minimizing setup time is critical.

Secure Mechanical Locking:The precision locking profile provides dependable mechanical engagement between coupling halves during normal operating conditions. For applications requiring additional security, Self Lock Storz Couplings incorporate an automatic locking mechanism that further reduces the possibility of accidental disconnection caused by vibration or hose movement.

Reliable Sealing Performance:Precision-machined sealing faces work together with properly selected gaskets to provide dependable sealing under normal operating conditions. Various gasket materials are available to suit different media, operating temperatures, and environmental conditions, helping maintain long-term sealing performance.

Lightweight and Easy Handling:Alloy Storz Couplings are significantly lighter than many traditional steel hose couplings while maintaining excellent mechanical strength. Reduced weight makes hose handling easier, decreases operator fatigue, and improves efficiency during frequent deployment and recovery operations.

Excellent Corrosion Resistance:Depending on the selected material, Storz Couplings offer excellent resistance to moisture, outdoor weather, salt spray, and many industrial environments. Appropriate material selection helps extend service life while reducing maintenance requirements.

Typical Applications

Storz Couplings are widely used wherever rapid hose connection, dependable sealing, and repeated connection cycles are required. Their versatility makes them suitable for emergency response, industrial facilities, municipal infrastructure, and agricultural operations.

01/

Fire Protection Systems:Storz Couplings are extensively used on fire hoses, hydrants, fire pumps, fire engines, portable firefighting equipment, and fire suppression systems. Their quick-connect design enables firefighters to deploy hose lines rapidly during emergency operations, helping improve response efficiency.

02/

Municipal Water Supply:Municipal water authorities use Storz Couplings for temporary water distribution, hydrant maintenance, emergency water supply, pipeline flushing, and utility service operations. Their standardized connection system simplifies equipment compatibility and field maintenance.

03/

Industrial Pumping Systems:Industrial facilities frequently use Storz Couplings on centrifugal pumps, diesel pumps, electric pumps, bypass pumping equipment, and temporary process water systems where rapid installation and repeated hose changes are required.

04/

Construction Dewatering:Construction contractors rely on Storz Couplings for groundwater removal, excavation drainage, temporary water transfer, and flood prevention. Their durable design supports repeated deployment under demanding jobsite conditions.

05/

Marine & Offshore Applications:Marine vessels, ports, offshore platforms, and shipyards use corrosion-resistant Storz Couplings for firefighting systems, ballast water transfer, emergency pumping, washdown systems, and general service water applications.

06/

Mining Operations:Mining companies use Storz Couplings for dust suppression, dewatering systems, slurry transfer, emergency pumping, and water supply networks. Their rugged construction performs reliably in demanding environments where frequent hose relocation is required.

How to Select the Correct Storz Coupling

Choosing the appropriate Storz Coupling requires evaluating both the coupling specifications and the operating conditions of the complete fluid transfer system.

Select the Correct Coupling Size:The coupling size should match the hose diameter, required flow capacity, and connected equipment to maintain efficient flow and ensure compatibility with pumps, hydrants, and piping systems.

Choose the Appropriate Material:Material selection should consider the operating environment, corrosion exposure, fluid characteristics, mechanical loading, temperature, and service life expectations. Providing complete operating information allows our engineering team to recommend the most suitable material.

Determine the Connection Style:Different equipment requires different configurations—common options include hose tail, male thread, female thread, flange, blank cap, adapter, and reducer. Selecting the proper style simplifies installation and improves compatibility.

Verify Gasket Compatibility:The gasket material should be selected according to the transferred medium, operating temperature, pressure, and chemical compatibility requirements to ensure reliable long-term sealing performance.

Evaluate Operating Conditions:Customers are encouraged to provide working pressure, operating temperature, fluid type, flow rate, installation environment, and connection frequency—allowing us to recommend the most suitable configuration.

Consider Future Maintenance:Standardized coupling sizes and commonly available replacement gaskets simplify maintenance, reduce spare parts inventory, and improve long-term operational efficiency for large hose systems.

Manufacturing Process

Every Storz Coupling manufactured by Fuyikang follows standardized production procedures to ensure dimensional accuracy, reliable locking performance, and long-term service reliability.

Raw Material Verification

Incoming materials are inspected for grade, dimensional consistency, mechanical properties, and surface quality—only qualified materials proceed to production.

Forging or Casting

Components are produced through precision forging or casting processes to achieve structural integrity, uniform wall thickness, and dimensional consistency while minimizing internal defects.

Precision CNC Machining

Critical features—locking ramps, lug profiles, gasket grooves, sealing faces, hose tails, threads, flanges, and adapters—are CNC-machined for smooth engagement, dependable sealing, and interchangeability.

Thread Processing

Threads are machined per BSP, BSPT, NPT, or other specified standards with controlled diameter, pitch, and quality for reliable installation and sealing.

Surface Finishing

Components are deburred and cleaned, with optional polishing, anodizing, passivation, or protective coatings applied per material and customer requirements for corrosion resistance and durability.

Locking Component & Gasket Assembly

Locking parts, pins, springs (where applicable), and sealing gaskets are assembled per procedures—smooth rotation, reliable locking, and proper gasket positioning are verified.

Dimensional Inspection

Critical dimensions—locking profiles, sealing surfaces, gasket grooves, threads, and hose tails—are inspected with calibrated tools to ensure production consistency and compatibility.

Functional Testing

Finished couplings are checked for locking engagement, rotational movement, sealing integrity, and assembly quality—non-conforming items are removed for correction.

Packaging Inspection

Before shipment, quantities, model IDs, size markings, labels, packaging, and documentation are verified. Packaging is designed per transport method and destination to reduce shipping damage and improve handling.

Factory 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.

Packaging & Global Shipping

Proper packaging is essential for protecting Storz Couplings during international transport while ensuring efficient warehouse handling and inventory management.

Individual Product Protection:Each coupling may be individually packaged to protect sealing surfaces, locking profiles, adapters, and machined components from dust, moisture, scratches, and transport damage—simplifying storage, identification, and order fulfillment.

Export Carton Packaging:Products are packed in durable export cartons designed by product dimensions, weight, and shipping requirements—carton arrangements optimize transport efficiency and minimize movement during shipment.

Palletized Shipments:Large-volume orders can be supplied on wooden, plywood, or fumigation-free pallets per customer and destination requirements—improving forklift handling, warehouse storage, container loading, transport stability, and receiving efficiency.

Worldwide Shipping Support:We support sea freight, air freight, railway, express courier, and multimodal transport—recommendations based on shipment volume, schedule, product characteristics, destination, and customer priorities. Our logistics team identifies practical and cost-effective solutions.

Certifications & Quality Assurance

All of Fuyikang's products comply with international certifications and standards. We can provide the following materials according to the local requirements of our customers.

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 Storz Coupling?

A: A Storz Coupling is a symmetrical quarter-turn quick-connect hose coupling widely used for firefighting, municipal water supply, industrial pumping, marine systems, and emergency water transfer. Unlike threaded couplings, either coupling half can connect directly with the other, allowing rapid hose assembly and disassembly.

Q: What are Storz Couplings commonly used for?

A: Storz Couplings are commonly used in fire protection systems, municipal hydrants, industrial pumping, construction dewatering, flood control, mining, irrigation, marine operations, wastewater treatment, and temporary pipeline installations where quick and reliable hose connections are required.

Q3: What materials are available for your Storz Couplings?

A: We manufacture Storz Couplings in aluminum alloy, brass, stainless steel, and other customer-specified materials. Material selection depends on the transferred medium, operating environment, corrosion exposure, pressure requirements, and expected service life.

Q: Are your Storz Couplings compatible with standard firefighting equipment?

A: Our products are manufactured according to recognized Storz connection standards to support compatibility with many standard fire hoses, hydrants, pumps, and water transfer systems. For replacement projects, we recommend confirming dimensions or applicable standards before ordering.

Q: Do I need special tools to install a Storz Coupling?

A: Most Storz Couplings can be connected manually. For larger sizes or applications requiring additional tightening, a Storz spanner wrench is commonly used to improve installation efficiency and ensure secure engagement.

Q: Do you provide OEM manufacturing services?

A: Yes. We provide OEM manufacturing services for fire equipment manufacturers, industrial distributors, municipal contractors, and private-label brands. Our customization capabilities include dimensions, connection types, materials, logos, product identification, packaging, and technical documentation tailored to customer requirements.

Q: Can I request samples before placing a production order?

A: Yes. Standard samples are available for many products, subject to stock availability. Customized samples can also be produced after reviewing your technical drawings or specifications. Sample costs and lead times will be confirmed during the quotation process.

Q: Is there a minimum order quantity?

A: Minimum order quantity depends on the product type, material, manufacturing process, and whether the product is standard or customized. Our sales team will recommend an economical order quantity based on your project requirements and production efficiency.

Q: Can I combine different sizes and models in one order?

A: Yes. Mixed orders are generally supported for different sizes, connection types, and materials. This allows distributors and project contractors to purchase multiple configurations in one shipment while improving inventory flexibility and reducing procurement costs.

Q: What is your typical production lead time?

A: Production lead time depends on product type, order quantity, material availability, and customization requirements. Standard products generally require less production time than customized orders. A confirmed production schedule will be provided after order review.

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