Solution Description

SongQiao LSQ-FF Series couplings are commonly utilised in the community utility marketplace in which hydraulic oil spillage can constitute a serious basic safety hazard, notably in overhead bucket hoists that are employed for servicing of large-voltage energy transmission traces.These couplings are also utilized for fast modify of hydraulic Instruments in construction, railway upkeep and mining industries. The simplicity of cleaning helps make them perfect for use in these kinds of hostile environments.
New valve design and style. it can resistance harm from high stream and the strain of impulse that supplying superior efficiency.
Sleeve locking mechanism is engaged by rotating sleeve soon after relationship. It stops accidental disconnection when, The coupling is dragged together the ground.
Sleeve mechanism is created to avoid dust from entering the interior the interior system and thus causing faulty procedure when connecting or disconnecting. The sleeve handles the retaining ring and also incorporates a dust seal in the spring location.
Steel development, zinc plated with yellow chromate end.  hardened nipples and sleeves and sound barstock design for maximum resistance to harm from hydraulic and mechanical shock.
This Anti Blowout Nitrile/PTFE bonded seal is made to avert blow-out or damage during extreme support circumstances.
Tough ball-locking system assures trustworthy connections ,every single time. A big number of locking balls distributes the function load evenly while offering alignment and swiveling action to minimize hose torque and lengthen hose lifestyle. Warning: These items are not not to be employed as swivels. Rotation below stress will consequence in abnormal and premature use.
LSQ-FF Collection couplings use flush valving when connecting or disconnecting. This signifies that the valves are mated together so that only modest amounts of fluid can be lost during disconnection or air inclusion throughout reconnection.
New chrome plating treatment method offers advanced anti-rust performance.
LSQ-FF collection conforms to common of ISO16571.
Appropriate with CZPT FE Series,FFSeries,STUCCHIA8008 Sequence, AEROQUIP FD89 Collection and HANSENQA2900 Collection.

ISO Component NO LS D HEX1 A T
6.3 LSQ-FF-02SF fifty eight.2 28 20 14 G1/4 NPT1/4
ten LSQ-FF-03SF sixty eight.2 32 24 fourteen G3/8 NPT3/8
10 LSQ-FF-03SF seventy two.two 32 27 eighteen G1/2 NPT1/2
twelve.5 LSQ-FF-04SF 75 38 32 eighteen G1/2 NPT1/2
twelve.5 LSQ-FF-04SF 79 38 36 22 G3/4 NPT3/four
sixteen LSQ-FF-06SF eighty 42 36 22 G3/4 NPT3/4
19 LSQ-FF-08SF ninety nine.8 48 forty one 22 G3/4 NPT3/four
19 LSQ-FF-08SF 99.eight forty eight forty one 23.5 G1    NPT1
25 LSQ-FF-10SF 111.five 56 55 24 G1-1/4 NPT1-1/4
LSQ-FF-12SF one hundred fifty 79.five sixty five 30 G1-1/2 NPT1-1/2
LSQ-FF-16SF 167 ninety eight.5 85 31 G2    NPT2

ISO Component NO LP d C HEX2 A T
six.3 LSQ-FF-02PF forty nine.two  16.1 15.2 twenty fourteen G1/4 NPT1/four
ten LSQ-FF-03PF 55.eight  19.seven 19.5 24 fourteen G3/8 NPT3/eight
ten LSQ-FF-03PF 59.8  19.seven 19.5 27 18 G1/2 NPT1/2
twelve.5 LSQ-FF-04PF 72  24.five 21.6 32 18 G1/2 NPT1/two
twelve.5 LSQ-FF-04PF 76  24.5 21.six 36 22 G3/4 NPT3/4
16 LSQ-FF-06PF seventy five.five  27 21.six 36 22 G3/4 NPT3/4
19 LSQ-FF-08PF 93.eight  30 29 forty one 22 G3/4 NPT3/4
19 LSQ-FF-08PF ninety three.8  30 29 41 23.5 G1    NPT1
25 LSQ-FF-10PF  90  36 34 fifty five 24 G1-1/4 NPT1-1/four
LSQ-FF-12PF  112  57 38 65 thirty G1-1/2 NPT1-1/2
LSQ-FF-16PF  123.9  73 forty.5 75 31 G2    NPT2

ISO Element NO L D HEX1 HEX2 T
6.3 LSQ-FF-02 ninety six.two  28  20 twenty G1/4 NPT1/4
ten LSQ-FF-03 108.4  32 24  24 G3/8 NPT3/eight
ten LSQ-FF-03 116.four  32  27  27 G1/2 NPT1/2
12.5 LSQ-FF-04 129.three  38  32  32 G1/2 NPT1/2
twelve.5 LSQ-FF-04 137.3  38  36  36 G3/4 NPT3/four
16 LSQ-FF-06 138  42  36  36 G3/4 NPT3/four
19 LSQ-FF-08 172.one  48  41  41 G3/4 NPT3/four
19 LSQ-FF-08 172.one  48  41  41 G1    NPT1
25 LSQ-FF-10 178  56  55  55 G1-1/4 NPT1-1/4
LSQ-FF-twelve 233.four  79.five  65  65 G1-1/2 NPT1-1/2
LSQ-FF-16 251.7  98.5  85  75 G2    NPT2

Size: From 1/4′ to 1′, All Threads Are Available
Interchangeability: ISO 16028 Flat Face
Working Pressures: 3000psi to 5000 Psi
Transport Package: Carton
Origin: Zhejiang China

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Customization:

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ISO PART NO LS D HEX1 A T
6.3 LSQ-FF-02SF 58.2 28 20 14 G1/4 NPT1/4
10 LSQ-FF-03SF 68.2 32 24 14 G3/8 NPT3/8
10 LSQ-FF-03SF 72.2 32 27 18 G1/2 NPT1/2
12.5 LSQ-FF-04SF 75 38 32 18 G1/2 NPT1/2
12.5 LSQ-FF-04SF 79 38 36 22 G3/4 NPT3/4
16 LSQ-FF-06SF 80 42 36 22 G3/4 NPT3/4
19 LSQ-FF-08SF 99.8 48 41 22 G3/4 NPT3/4
19 LSQ-FF-08SF 99.8 48 41 23.5 G1    NPT1
25 LSQ-FF-10SF 111.5 56 55 24 G1-1/4 NPT1-1/4
LSQ-FF-12SF 150 79.5 65 30 G1-1/2 NPT1-1/2
LSQ-FF-16SF 167 98.5 85 31 G2    NPT2

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ISO PART NO LP d C HEX2 A T
6.3 LSQ-FF-02PF 49.2  16.1 15.2 20 14 G1/4 NPT1/4
10 LSQ-FF-03PF 55.8  19.7 19.5 24 14 G3/8 NPT3/8
10 LSQ-FF-03PF 59.8  19.7 19.5 27 18 G1/2 NPT1/2
12.5 LSQ-FF-04PF 72  24.5 21.6 32 18 G1/2 NPT1/2
12.5 LSQ-FF-04PF 76  24.5 21.6 36 22 G3/4 NPT3/4
16 LSQ-FF-06PF 75.5  27 21.6 36 22 G3/4 NPT3/4
19 LSQ-FF-08PF 93.8  30 29 41 22 G3/4 NPT3/4
19 LSQ-FF-08PF 93.8  30 29 41 23.5 G1    NPT1
25 LSQ-FF-10PF  90  36 34 55 24 G1-1/4 NPT1-1/4
LSQ-FF-12PF  112  57 38 65 30 G1-1/2 NPT1-1/2
LSQ-FF-16PF  123.9  73 40.5 75 31 G2    NPT2

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ISO PART NO L D HEX1 HEX2 T
6.3 LSQ-FF-02 96.2  28  20 20 G1/4 NPT1/4
10 LSQ-FF-03 108.4  32 24  24 G3/8 NPT3/8
10 LSQ-FF-03 116.4  32  27  27 G1/2 NPT1/2
12.5 LSQ-FF-04 129.3  38  32  32 G1/2 NPT1/2
12.5 LSQ-FF-04 137.3  38  36  36 G3/4 NPT3/4
16 LSQ-FF-06 138  42  36  36 G3/4 NPT3/4
19 LSQ-FF-08 172.1  48  41  41 G3/4 NPT3/4
19 LSQ-FF-08 172.1  48  41  41 G1    NPT1
25 LSQ-FF-10 178  56  55  55 G1-1/4 NPT1-1/4
LSQ-FF-12 233.4  79.5  65  65 G1-1/2 NPT1-1/2
LSQ-FF-16 251.7  98.5  85  75 G2    NPT2
Size: From 1/4′ to 1′, All Threads Are Available
Interchangeability: ISO 16028 Flat Face
Working Pressures: 3000psi to 5000 Psi
Transport Package: Carton
Origin: Zhejiang China

###

Customization:

###

ISO PART NO LS D HEX1 A T
6.3 LSQ-FF-02SF 58.2 28 20 14 G1/4 NPT1/4
10 LSQ-FF-03SF 68.2 32 24 14 G3/8 NPT3/8
10 LSQ-FF-03SF 72.2 32 27 18 G1/2 NPT1/2
12.5 LSQ-FF-04SF 75 38 32 18 G1/2 NPT1/2
12.5 LSQ-FF-04SF 79 38 36 22 G3/4 NPT3/4
16 LSQ-FF-06SF 80 42 36 22 G3/4 NPT3/4
19 LSQ-FF-08SF 99.8 48 41 22 G3/4 NPT3/4
19 LSQ-FF-08SF 99.8 48 41 23.5 G1    NPT1
25 LSQ-FF-10SF 111.5 56 55 24 G1-1/4 NPT1-1/4
LSQ-FF-12SF 150 79.5 65 30 G1-1/2 NPT1-1/2
LSQ-FF-16SF 167 98.5 85 31 G2    NPT2

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ISO PART NO LP d C HEX2 A T
6.3 LSQ-FF-02PF 49.2  16.1 15.2 20 14 G1/4 NPT1/4
10 LSQ-FF-03PF 55.8  19.7 19.5 24 14 G3/8 NPT3/8
10 LSQ-FF-03PF 59.8  19.7 19.5 27 18 G1/2 NPT1/2
12.5 LSQ-FF-04PF 72  24.5 21.6 32 18 G1/2 NPT1/2
12.5 LSQ-FF-04PF 76  24.5 21.6 36 22 G3/4 NPT3/4
16 LSQ-FF-06PF 75.5  27 21.6 36 22 G3/4 NPT3/4
19 LSQ-FF-08PF 93.8  30 29 41 22 G3/4 NPT3/4
19 LSQ-FF-08PF 93.8  30 29 41 23.5 G1    NPT1
25 LSQ-FF-10PF  90  36 34 55 24 G1-1/4 NPT1-1/4
LSQ-FF-12PF  112  57 38 65 30 G1-1/2 NPT1-1/2
LSQ-FF-16PF  123.9  73 40.5 75 31 G2    NPT2

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ISO PART NO L D HEX1 HEX2 T
6.3 LSQ-FF-02 96.2  28  20 20 G1/4 NPT1/4
10 LSQ-FF-03 108.4  32 24  24 G3/8 NPT3/8
10 LSQ-FF-03 116.4  32  27  27 G1/2 NPT1/2
12.5 LSQ-FF-04 129.3  38  32  32 G1/2 NPT1/2
12.5 LSQ-FF-04 137.3  38  36  36 G3/4 NPT3/4
16 LSQ-FF-06 138  42  36  36 G3/4 NPT3/4
19 LSQ-FF-08 172.1  48  41  41 G3/4 NPT3/4
19 LSQ-FF-08 172.1  48  41  41 G1    NPT1
25 LSQ-FF-10 178  56  55  55 G1-1/4 NPT1-1/4
LSQ-FF-12 233.4  79.5  65  65 G1-1/2 NPT1-1/2
LSQ-FF-16 251.7  98.5  85  75 G2    NPT2

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.
gearbox

Types

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.
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Applications

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.
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Problems

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 Lsq-FF Close Type Hydraulic Quick Coupling     brass couplingChina Lsq-FF Close Type Hydraulic Quick Coupling     brass coupling
editor by czh 2022-11-25