China Custom Storz Fire Hose Coupling for Fire Hose Fittings coupling bushing

Product Description

Product Description


A hose coupling is a type of fitting located on the end of the fire hose, which is typically made of steel, brass, or aluminum.
It’s used to quickly connect and disconnect hoses during water delivery applications. 
The coupling has threading on each end, 1 female end and 1 male end, allowing the hose to connect with another hose, tap, or other water source.
In order for a fire hose to work safely and effectively, proper coupling selection is essential. several factors must be considered, such as size, gender, and thread standard. 
The hose coupling are available in a range of options including BS, Gost,NST,Storz,Machino,French,Nakajima, French Etc.


Fire Hose Coupling Features 
a High strength
b Highly durable
c Precisely designed
d Quick and easy connection
e Application specific design
f Corrosion resistance
g Resistant to high pressure
h Temperature Degree :-20ºC to 40ºC


Size 1”/1.5”/2”/2.5”/3”/4”/6”
Material Aluminum/Brass
Strength Test Pressure  2.4MPA 
Working Pressure  1.6MPA 
Sealing Test Pressure 1.6MPA 
Media Water/Foam 


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Our Advantages

1. Manufacturer 
We are manufacturer of fire fighting equipments with many years experience.
2.Stable and Reliable Quality
All our products are manufactured according to high quality standard to make sure stable Performance. 
3.Competitive Prices
With a wide range, good quality and reasonable prices, our products are widely recognized and trusted by customers. 
4.Design Ability
According to customer’s requirement. We have rich experiences in developing new products. 
5.Customized Logo and Packaging
we can customized Logo/Package/Color/Size. 
6.Best Service
1). Active response for your inquiry within 24 hours. 
2). Professional efficient communication.
3). On-time delivery. 
4). Perfect after-sales service.


Q1: How long can i get the goods?
A: The Production time is within 30days. The delivery time depends on the shipment and your area.

Q2: Do you offer samples?
A: Depends on the products. Most of items can offer sample.  

Q3: Can you do our designs with our logos?
A: We offer OEM/ODM service. 

Q4: How can I get your price list ?
A: Please contact with me, I will send you the price list ASAP.

Q5: What kind of payment methods do you accept?
A: T/T, Paypal, Wesetern union and so on.

Q6: Can I visit your company and factory in China?
A: Sure. We are happy to show you our workshops. 


Certification: GB8013-2005, GS, CCCF, CCC
Surface Treatment: Natural Brass/Aluminum/Chrome
Material: Brass/Aluminum
Type: BS/Nst/Machino/Storz/Nakajima/French/GOST/Italian
Working Pressure: 1.6MPa
Sealing Test Pressure: 1.6MPa


Customized Request


What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.


Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.


The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.


A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China Custom Storz Fire Hose Coupling for Fire Hose Fittings   coupling bushingChina Custom Storz Fire Hose Coupling for Fire Hose Fittings   coupling bushing
editor by CX 2023-05-22