Product Description


Product Description



Product Parameters



Dry Disconnect Couplings
Coupling Material Stainless steel Aluminium Brass
Working Pressure 25 bars (363 psi) 10 bars (145 psi) 16 bars (232 psi)
Test Pressure 37.5 bars (544 psi) 15 bars (218 psi) 24 bars (348 psi)
O-rings Seal FPM (-35°C / +140°C) NBR (-30°C / +100°C) /
Flat Seal PTFE (-25°C/ +250°C)
End Connections BSPP ,NPT ,ANSI 150 Lbs Flange
(Other Thread and Flangetypes on request.)
Certificates ATEX , PED , 3.1 Material certificate


How our Dry Disconnect Couplings works?
1.Turning the Hose Unit by 15° clockwise locks the units together.
2.The valves are still closed
3.Turning the Hose Unit by 90° opens the inside valves.
4.To close the valves and unlock the Units, reverse the process.

1.Safety First!
Our Dry Disconnect couplings are designed to protect the operators and the environment during the loading and unloading fluid process. The bidirectional sealing design ensures a safe and simple disassembly process.

We can supply a large range of material and sizes.

3.Multi-Brands compatibility.
Our Dry Disconnect Couplings are designed according NATO STANAG 3756 this allows us to be compatible with most brands.

1. Avoid the loss of fluids during locking and unlocking connection process.
2. Reduce the possibility of Xihu (West Lake) Dis.n error in fluid transfer operation (mixing products)
3. Ease of handling
4. Protect the Xihu (West Lake) Dis.n health
5. Protect the Environment






Model Size(mm) Thread Code Thread Code Material
TH56 1” BSPP ISO 228-1″ L1657187 NPT L1657151 SS 1.4408
TH70 2” BSPP ISO 228-2” L1657126 NPT L1657199 SS 1.4408
TH105 2-1/2” BSPP ISO 228-2-1/2” L1657105 NPT L1601104 SS 1.4408
TH119 3” BSPP ISO 228-3” L1657157 NPT L1601114 SS 1.4408
TH164 4” BSPP ISO 228-4” L1657118 NPT L1601115 SS 1.4408
TH238 6” BSPP ISO 228-6” L1601182 NPT L1601183 SS 1.4408
TH272 8” BSPP ISO 228-8” L1601218 NPT L1601219 SS 1.4408
TH56 1” BSPP ISO 228-1″ L1601168 NPT L1601166 BR
TH70 2” BSPP ISO 228-2” L1657168 NPT L1601154 BR
TH105 2-1/2” BSPP ISO 228-2-1/2” L1657169 NPT L1601170 BR
TH119 3” BSPP ISO 228-3” L1601129 NPT L1657170 BR
TH164 4” BSPP ISO 228-4” L1601137 NPT L1657171 BR
TH238 6” BSPP ISO 228-6” L1601206 NPT L1601207 BR
TH272 8” BSPP ISO 228-8” L1601214 NPT L1601215 BR
TH56 1” BSPP ISO 228-1″ L1657197 NPT L1657146 AL
TH70 2” BSPP ISO 228-2” L1657147 NPT L1601106 AL
TH105 2-1/2” BSPP ISO 228-2-1/2” L1601145 NPT L1601146 AL
TH119 3” BSPP ISO 228-3” L1601113 NPT L1601116 AL
TH164 4” BSPP ISO 228-4” L1657150 NPT L1657181 AL
TH238 6” BSPP ISO 228-6” L1601202 NPT L1601203 AL
TH272 8” BSPP ISO 228-8” L1601210 NPT L1601211 AL


Model Size(mm) Thread Code Thread Code Material
TU56 1” BSPP ISO 228-1″ L1657193 NPT L1601171 SS 1.4408
TU70 2” BSPP ISO 228-2” L1657132 NPT L1601152 SS 1.4408
TU105 2-1/2” BSPP ISO 228-2-1/2” L1657144 NPT L1601103 SS 1.4408
TU119 3” BSPP ISO 228-3” L1657134 NPT L1601111 SS 1.4408
TU164 4” BSPP ISO 228-4” L1657124 NPT L1601112 SS 1.4408
TU238 6” BSPP ISO 228-6” L1601178 NPT L1601179 SS 1.4408
TU272 8” BSPP ISO 228-8” L1601216 NPT L1601217 SS 1.4408
TU56 1” BSPP ISO 228-1″ L1601167 NPT L1601165 BR
TU70 2” BSPP ISO 228-2” L1657164 NPT L1601159 BR
TU105 2-1/2” BSPP ISO 228-2-1/2” L1657165 NPT L1601169 BR
TU119 3” BSPP ISO 228-3” L1601134 NPT L1657166 BR
TU164 4” BSPP ISO 228-4” L1601142 NPT L1657167 BR
TU238 6” BSPP ISO 228-6” L1601204 NPT L1601205 BR
TU272 8” BSPP ISO 228-8” L1601212 NPT L1601213 BR
TU56 1” BSPP ISO 228-1″ L1657198 NPT L1657139 AL
TU70 2” BSPP ISO 228-2” L1657101 NPT L1657102 AL
TU105 2-1/2” BSPP ISO 228-2-1/2” L1657140 NPT L1601102 AL
TU119 3” BSPP ISO 228-3” L1657141 NPT L1601117 AL
TU164 4” BSPP ISO 228-4” L1657142 NPT L1657183 AL
TU238 6” BSPP ISO 228-6” L1601200 NPT L1601201 AL
TU272 8” BSPP ISO 228-8” L1601208 NPT L1601209 AL

Q1: Are you a factory?
A:We are 1 of the leading China factory professional produce of fuel tanker parts, fuel nozzle, fuel dispenser and fuel station parts.Which covers 80,000me and with independent CZPT ability, and we can offer OEM and ODM service.

Q2: What are the application fields of your products?
A: CZPT Petrol Machine mainly products including fuel tanker parts, fuel nozzle, fuel dispenser and fuel station parts etc.

Q3: What is your terms of packing?
A: We pack our goods in standard export carton box, other packing type can do as required.

Q4: How about your delivery time?
A: 5-7 days for samples; 20-35 days for batch goods after received payment.

Q5: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q6: What about the shipping package?
A: Package will use standard export carton, can do pallets as customized.

Q7: What is your sample policy?
A: We can supply the sample, but the customers have to pay the sample and freight.

Q8:How do you make our business long-term and good relationship?
A: We keep good quality and competitive price to ensure our customers benefit . We respect every customer and we sincerely do business with everyone

Shipping Cost:

Estimated freight per unit.

To be negotiated
Casting Method: Sand Casting
Casting Form Material: Mud
Casting Metal: Nonferrous Alloys
US$ 350/Piece
1 Piece(Min.Order)


Order Sample



Customized Request


Functions and Modifications of Couplings

A coupling is a mechanical device that connects two shafts and transmits power. Its main purpose is to join two rotating pieces of equipment together, and it can also be used to allow some end movement or misalignment. There are many different types of couplings, each serving a specific purpose.


Functions of coupling are useful tools to study the dynamical interaction of systems. These functions have a wide range of applications, ranging from electrochemical processes to climate processes. The research being conducted on these functions is highly interdisciplinary, and experts from different fields are contributing to this issue. As such, this issue will be of interest to scientists and engineers in many fields, including electrical engineering, physics, and mathematics.
To ensure the proper coupling of data, coupling software must perform many essential functions. These include time interpolation and timing, and data exchange between the appropriate nodes. It should also guarantee that the time step of each model is divisible by the data exchange interval. This will ensure that the data exchange occurs at the proper times.
In addition to transferring power, couplings are also used in machinery. In general, couplings are used to join two rotating pieces. However, they can also have other functions, including compensating for misalignment, dampening axial motion, and absorbing shock. These functions determine the coupling type required.
The coupling strength can also be varied. For example, the strength of the coupling can change from negative to positive. This can affect the mode splitting width. Additionally, coupling strength is affected by fabrication imperfections. The strength of coupling can be controlled with laser non-thermal oxidation and water micro-infiltration, but these methods have limitations and are not reversible. Thus, the precise control of coupling strength remains a major challenge.


Couplings transmit power from a driver to the driven piece of equipment. The driver can be an electric motor, steam turbine, gearbox, fan, or pump. A coupling is often the weak link in a pump assembly, but replacing it is less expensive than replacing a sheared shaft.
Coupling functions have wide applications, including biomedical and electrical engineering. In this book, we review some of the most important developments and applications of coupling functions in these fields. We also discuss the future of the field and the implications of these discoveries. This is a comprehensive review of recent advances in coupling functions, and will help guide future research.
Adaptable couplings are another type of coupling. They are made up of a male and female spline in a polymeric material. They can be mounted using traditional keys, keyways, or taper bushings. For applications that require reversal, however, keyless couplings are preferable. Consider your process speed, maximum load capacity, and torque when choosing an adaptable coupling.
Coupling reactions are also used to make pharmaceutical products. These chemical reactions usually involve the joining of two chemical species. In most cases, a metal catalyst is used. The Ullmann reaction, for instance, is an important example of a hetero-coupling reaction. This reaction involves an organic halide with an organometallic compound. The result is a compound with the general formula R-M-R. Another important coupling reaction involves the Suzuki coupling, which unites two chemical species.
In engineering, couplings are mechanical devices that connect two shafts. Couplings are important because they enable the power to be transmitted from one end to the other without allowing a shaft to separate during operation. They also reduce maintenance time. Proper selection, installation, and maintenance, will reduce the amount of time needed to repair a coupling.


Maintenance of couplings is an important part of the lifecycle of your equipment. It’s important to ensure proper alignment and lubrication to keep them running smoothly. Inspecting your equipment for signs of wear can help you identify problems before they cause downtime. For instance, improper alignment can lead to uneven wear of the coupling’s hubs and grids. It can also cause the coupling to bind when you rotate the shaft manually. Proper maintenance will extend the life of your coupling.
Couplings should be inspected frequently and thoroughly. Inspections should go beyond alignment checks to identify problems and recommend appropriate repairs or replacements. Proper lubrication is important to protect the coupling from damage and can be easily identified using thermography or vibration analysis. In addition to lubrication, a coupling that lacks lubrication may require gaskets or sealing rings.
Proper maintenance of couplings will extend the life of the coupling by minimizing the likelihood of breakdowns. Proper maintenance will help you save money and time on repairs. A well-maintained coupling can be a valuable asset for your equipment and can increase productivity. By following the recommendations provided by your manufacturer, you can make sure your equipment is operating at peak performance.
Proper alignment and maintenance are critical for flexible couplings. Proper coupling alignment will maximize the life of your equipment. If you have a poorly aligned coupling, it may cause other components to fail. In some cases, this could result in costly downtime and increased costs for the company.
Proper maintenance of couplings should be done regularly to minimize costs and prevent downtime. Performing periodic inspections and lubrication will help you keep your equipment in top working order. In addition to the alignment and lubrication, you should also inspect the inside components for wear and alignment issues. If your coupling’s lubrication is not sufficient, it may lead to hardening and cracking. In addition, it’s possible to develop leaks that could cause damage.


The aim of this paper is to investigate the effects of coupling modifications. It shows that such modifications can adversely affect the performance of the coupling mechanism. Moreover, the modifications can be predicted using chemical physics methods. The results presented here are not exhaustive and further research is needed to understand the effects of such coupling modifications.
The modifications to coupling involve nonlinear structural modifications. Four examples of such modifications are presented. Each is illustrated with example applications. Then, the results are verified through experimental and simulated case studies. The proposed methods are applicable to large and complex structures. They are applicable to a variety of engineering systems, including nonlinear systems.
China supplier Aluminum Dry Break Coupling Safety Coupling   coupling assemblyChina supplier Aluminum Dry Break Coupling Safety Coupling   coupling assembly
editor by CX 2023-07-07