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Description:
Quick connect fittings are made in various design, depending on the type of quick couplings, like ISO 7241-A, ISO 7241-B, Gromelle 6000 and Hansen W6000, equivalent to Parker and Faster as well. These quick connect fittings are used to build or disrupt the connection of fluid lines. It is known as a quick release coupling, quick coupler, or quick coupling. Quick coupling are supplied to a wide range of application such as agricultural, chemical, and hydraulic applications. They can tolerate up to 950 Bar working pressure. The materials used to fabricate quick couplers are steel and stainless steel. |
Brand:
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LITERATURE
Product Information of Quick Connect Couplings
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1. Specifications:
Quick Connect Fittings are a type of fitting that provides a means to quickly break the connection of fluid lines without substantial loss of hydraulic fluid. The standard of quick connect fittings are according to the design including ISO 7241-A, ISO 7241-B, Gromelle W6000 and Hansen W6000 which are exposed to different industrial uses. Furthermore, this fitting is also called quick release coupling, quick coupler, or quick coupling. Quick coupling is used in many fields such as agricultural, chemical, industrial, hydraulic applications and the offshore industry. For example, the design of W6000 series allowed it resistance to heavy mechanical loads such as hydraulic shocks, ram loads, and severe pulsating pressures. While design of ISO 7241-A allowed it to be applicable on fluid transfer, asphalt paving, refuse hauling, truck trailer connections, and many more. For ISO 7241-B design, it is suitable for industrial hydraulic lines, food processing, water lines, high pressure and high temperature fluid transfer, cleaning equipment, and steam systems. |
ISO A Quick Connect Couplings
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2. Material:
Quick coupling are available in Steel (EN-10277-3 material spec), Stainless Steel (AISI 316 material spec) and Brass (DIN-EN 12164 material spec).
Quick coupling are available in Steel (EN-10277-3 material spec), Stainless Steel (AISI 316 material spec) and Brass (DIN-EN 12164 material spec).
3. Pressure Rating & Size Range:
The pressure rating for ISO-A fittings is up to 350 bars, ISO-B 400 bars and Gromelle 6000 equivalent is up to 950 bars. The size of the quick coupling also affects the maximum working pressure. In general, the greater the size, the lesser working pressure that it can withstand. Quick release couplings are available in inch sizes ranging from 1/4" to 2". The fitting safety factor is 4.
The following table shown the working pressure of quick connect fittings according to different size and standard:
The pressure rating for ISO-A fittings is up to 350 bars, ISO-B 400 bars and Gromelle 6000 equivalent is up to 950 bars. The size of the quick coupling also affects the maximum working pressure. In general, the greater the size, the lesser working pressure that it can withstand. Quick release couplings are available in inch sizes ranging from 1/4" to 2". The fitting safety factor is 4.
The following table shown the working pressure of quick connect fittings according to different size and standard:
Size |
ISO 7241-A Norm (Bars) |
ISO 7241-B Norm (Bars) |
203 Series TGW (Bars) |
1/4" |
350 |
400 |
950 |
3/8" |
300 |
380 |
750 |
1/2" |
300 |
350 |
750 |
3/4" |
250 |
320 |
650 |
1" |
230 |
300 |
450 |
1 1/4" |
230 |
280 |
450 |
1 1/2" |
200 |
140 |
300 |
2" |
130 |
100 |
300 |
ISO B Quick Connect Couplings
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4. Advantages of Quick Connect Couplings:
Quick connect fittings are connections that can give an immediate solution for simple flow transfer from one direction to the other. Parker, from the United States, is a well-known brand of quick connect fittings in the market. Here are the advantages of using quick connect fittings:
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5. Differences between SO 7241-A, ISO 7241-B and 203 Series TGW:
To enhance compatibility in different applications, a wide range of body and seal materials are offered. The following table shown the different quick coupling standard with its main features:
To enhance compatibility in different applications, a wide range of body and seal materials are offered. The following table shown the different quick coupling standard with its main features:
Quick Coupling Standard |
ISO 7241-A Norm |
ISO 7241-B Norm |
203 Series TGW |
Working Pressure |
Up to 350 Bars |
Up to 400 Bars |
Up to 950 Bars |
Connection Type |
Push-in type |
Push-in typePush-in type |
Threaded type |
Material Type |
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Working temperature |
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Equivalent Design |
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6. Connection Types:
Quick couplers are normally differentiated by two parts which is male and female. The male part is also commonly called plug or nipple while the female part is commonly called socket or coupling. For the threaded end at the both end of quick coupler, there are two types of thread available: NPT (National Pipe Thread) or BSPP (British Standard Pipe Parallel).
For different series of quick couplers, there are different of connection between male and female. For Gromelle W6000 or Inteva 203 series, the connection between male and female is screw-to-connect type. While for ISO 7241-A, ISO 7241-B, and Hansen W6000, the connection between male and female is push-to-connect type.
Quick couplers are normally differentiated by two parts which is male and female. The male part is also commonly called plug or nipple while the female part is commonly called socket or coupling. For the threaded end at the both end of quick coupler, there are two types of thread available: NPT (National Pipe Thread) or BSPP (British Standard Pipe Parallel).
For different series of quick couplers, there are different of connection between male and female. For Gromelle W6000 or Inteva 203 series, the connection between male and female is screw-to-connect type. While for ISO 7241-A, ISO 7241-B, and Hansen W6000, the connection between male and female is push-to-connect type.
7. Application:
ISO 7241-A standard: It is adaptable for use in hydraulic applications such as equipment maintenance or system operation. A poppet valve or a ball closing mechanism is used in the fitting design. To keep the valve aligned and avoid flow duplication, a poppet valve and a metal perch are employed. The coupler sleeve and nipple body are strengthened for durability, and the standard end configurations include female pipe and straight thread NPT or BSPP.
ISO 7241-B or Parker 60 standard: They are poppet valves with a metal-to-metal valve stop keeping the valve aligned. It was designed to prevent flow duplication. Female pipe thread of NPT or BSPP is the typical end configuration. It is often used in applications with a shorter life cycle and no significant cyclic pressure changes, and it is effectively applied under steady pressure throughout an operating cycle. Mine roof support systems, hydraulic jacks, and high pressure fluid transmission are examples of common applications.
Screw end Gromelle W6000 or 203 Series TGW: Quick couplings are used to quickly and conveniently join pipes in high-pressure inline systems and high-impulse hydraulic applications. The 203 Series TGW screw locking mechanism provides outstanding resilience to high hydraulic pressures. This quick coupling is intended for use in extreme situations involving hydraulic shocks, system vibrations, or hose bending.
The following table has shown the applications of the quick release coupling fitting:
ISO 7241-A standard: It is adaptable for use in hydraulic applications such as equipment maintenance or system operation. A poppet valve or a ball closing mechanism is used in the fitting design. To keep the valve aligned and avoid flow duplication, a poppet valve and a metal perch are employed. The coupler sleeve and nipple body are strengthened for durability, and the standard end configurations include female pipe and straight thread NPT or BSPP.
ISO 7241-B or Parker 60 standard: They are poppet valves with a metal-to-metal valve stop keeping the valve aligned. It was designed to prevent flow duplication. Female pipe thread of NPT or BSPP is the typical end configuration. It is often used in applications with a shorter life cycle and no significant cyclic pressure changes, and it is effectively applied under steady pressure throughout an operating cycle. Mine roof support systems, hydraulic jacks, and high pressure fluid transmission are examples of common applications.
Screw end Gromelle W6000 or 203 Series TGW: Quick couplings are used to quickly and conveniently join pipes in high-pressure inline systems and high-impulse hydraulic applications. The 203 Series TGW screw locking mechanism provides outstanding resilience to high hydraulic pressures. This quick coupling is intended for use in extreme situations involving hydraulic shocks, system vibrations, or hose bending.
The following table has shown the applications of the quick release coupling fitting:
Quick Coupling Standard |
ISO 7241-A Norm |
ISO 7241-B Norm |
203 Series TGW |
Applications |
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For more information about quick couplings, please refer to en.wikipedia.org/wiki/Quick_connect_fitting
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Product Catalogue in pdf:
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Product Literature in pdf
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FAQ Of Quick Connect Couplings
What is the size range of quick Connect couplings?
The size range of quick connect couplings is from 1/4 inches to 2 inches.
What are the specification standards of a quick connecte coupling?
It is manufactured in accordance with various standards such as ISO 7241-A, ISO 7241-B, Gromelle 6000/203 Series TGW, Hansen W6000, and Parker 60, which are subjected to various industry applications.
What is the highest working pressure a quick connect coupling can withstand?
A quick connect coupling, with the standard of 203 Series TGW, can withstand up to 950 bar working pressure.
What are quick CONNECT couplings made of?
Quick couplings are made up from stainless steel SS316, carbon steel, and brass.
How to differentiate quick couplings with ISO 7241-A Norm, ISO 7241-B, and 203 Series TGW?
ISO 7241-A Norm: Working pressure up to 350 bar with push-in type design
ISO 7241-B: Working pressure up to 400 bar with push-in type design
203 Series TGW: Working pressure up to 950 bar with threaded design
ISO 7241-B: Working pressure up to 400 bar with push-in type design
203 Series TGW: Working pressure up to 950 bar with threaded design
Which fields/ industries would use quick CONNECT couplings?
Quick couplings with ISO 7241-A Norm apply in industrial, agricultural, snow plough etc. while ISO 7241-B apply in industrial hydraulics line,
offshore, steam systems etc. Quick couplings with 203 Series TGW apply in industrial, constructions, oil and gas etc.
offshore, steam systems etc. Quick couplings with 203 Series TGW apply in industrial, constructions, oil and gas etc.
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