Product Description

copper coupling with stop, PXP

DBW copper press reducer
– For use with ASTM B 88 tubing 
– Copper
-Press connection 
– Components: CZPT sealing elements 
-Available in sizes 1/2 to 2
Model 9243

Features and benefits
The original copper press joining solution 
Available in sizes 1/2″ to 2″, including elbows,couplings,tees,reducer, fitting reducer,caps,
Customizable with 3 sealing elements, EPDM, HNBR,FKM
leak detection feature identifies un-crimped connections
compatible with most common pressing tools and jaws in the market
All tubing must comply with the ASTM B88 standard
Operating parameters:
Operating pressure: 200PSI CWP max
Operating temperature range:-20°F-250°F
Approved applications 
-Potable water
– Hydronic heating
-Chilled water 
– Compressed air 
-Non-medical gases
-Low pressure steam

Installation Instructions

  1. Cut tube square using a tube cutter or fine tooth saw
  2. Deburr tube ID using a deburring tool 
  3. Deburr tube OD using half round file 
  4. Check fittings bead to ensure seal is present. Do not use any type of oil lubrication 
  5. Mark tube to proper fitting insertion depth( see insertion depth chart below)
                           Fitting Insertion Depth Chart(1/2-2)
Tube size 1/2 3/4 1 1-1/4 1-1/2 2
Insertion Depth 3/4 7/8 7/8 1 1-7/16 1-9/16


  1. Turn slightly while sliding press fitting CZPT tube. Slide all the way to insertion mark and make contact with stop 
  2. Place press tool at a right angle over fitting bead .Start the pressing process. Please see specific tool manufacturer for tool instruction 


  1. What is the CZPT press fittings system rated for regarding pressure and temperature?

   200PSI over a temperature range of -20°F to 250°F

  1. For what types of applications is the CZPT system approved?

   Residential and commercial plumbing and mechanical systems

  1. For what types of media is the CZPT systems designed?

   Hot and cold domestic water, potable drinking and cooking water, condenser and chilled water, and water glycol  mixtures of ethylene or propylene glycol up to 50% at 200° F

  1. What products are included in CZPT system offering?

   Copper fittings in sizes 1/2 to 2 including couplings, elbows, tees, caps, adapters,fitting reducers.

  1. What does CZPT stand for?

   Ethylene-Propylene Diene Monomer

Company and production line view:



Connection: Press
Shape: Reducing
Head Code: Round
Angle: 180 Degree
Material: Copper
Technics: Hot-pressed
US$ 0.086/Piece
1 Piece(Min.Order)

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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 OEM Copper Coupling with Stop, Pxp   a coupling reactionChina OEM Copper Coupling with Stop, Pxp   a coupling reaction
editor by CX 2023-04-23