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China best Stainless Steel Metal Grip Straub Coupling with Anchoring Teeth

Product Description

Restraint Stainless Steel Straub Pipe Coupling with Gear Ring

  
1. Product Introduction :

Our Stainless Steel Grip Straub Coupling is similar to STRAUB-METAL-GRIP which is a high performance coupling suitable for all pipe systems.
This Coupling is mainly used for building construction or civil engineering, power plants and etc .
This pipe joining coupling also absorbs unexpected field stress and applies perfect for seismic retrofits 

Stainless Steel Straub Grip Type Coupling with Axial Restraint is used to join Metal Pipe to Metal Pipe or 
Metal Pipe to Plastic Pipe or Plastic Pipe to Plastic Pipe .

All of our Coupling designated with GRIP have axial restraint .
In order to able to absorb the axial forces arising from the internal pressure, 
anchoring teeth engage in the relevant pipe materials and provide a mechanical frictional connection.
If the axial tensile load on the pipe increases due to increasing internal pressure, 
the teeth engage deeper inot the pipe surface .
 
These flexible and lightweight Couplings come fully assembled and can be installed without using any special tools .

2. Proudct Features :

*   body, bolt, nuts made of stainless steel 
*   flexible pipe connection 
*   allow angular deflection but don’t provide restraint 
*   anticorrosive
*   easy installation and disassembly 
*   free of welding and fire risk 

3.  Dimension Sheet : 

3.1  Single-Section Stainless Steel Repair Coupling

 

S/N O. D Range Working Pressure Clamp Length (mm) Size D Size H Bolt Bolt Torque
  mm bar Normal(L1) Extended(L2) mm mm mm Nm
1 17-19 32 57   35 55 M6 10
2 21-23 32 57   45 65 M6 10
3 24.5-25.5 32 57   50 70 M6 10
4 26-28 32 57   50 70 M6 10
5 31.5-32.5 32 57   55 75 M6 10
6 33-35 32 57   55 75 M6 10
7 39.5-41.5 32 57   55 75 M6 10
8 42-44 32 57 100 65 85 M6 15
9 44-45 32 57 100 66 86 M6 15
10 47-49 32 57 100 70 90 M6 15
11 53.6-54.6 32 57 100 70 90 M8 30
12 56.3-57.7 32 57 100 80 100 M8 30
13 59-62 32 80 139 85 105 M8 30
14 62-64 32 80 139 85 105 M8 30
15 75-78 28 80 139 100 120 M8 30
16 79-81 28 80 139 100 120 M8 30
17 88-92 28 107 203 110 130 M10 50
18 106-110 28 107 203 130 150 M10 50
19 109-111 28 107 203 130 150 M10 50
20 112-116 28 107 203 135 155 M10 50
21 116-119 28 107 203 140 160 M10 50
22 123-126 28 107 203 150 185 M10 50
23 131-134 28 107 203 160 190 M10 50
24 137-143 28 116 203 165 195 M12 80
25 157-161 24 116 203 185 215 M12 80
26 163-167 24 116 203 190 215 M12 80
27 166-170 24 116 203 195 225 M12 80
28 168-172 24 116 203 195 225 M12 80
29 198-201 16 155 255 240 270 M14 100
30 217-221 16 155 255 250 280 M14 100
31 250-254 16 155 255 285 315 M14 100
32 271-275 16 155 255 305 335 M14 100
33 313-317 14 155 255 340 375 M14 100
34 323-327 14 155 255 355 385 M14 100
35 354-358 14 155 255 385 420 M14 100
36 375-379 14 155 255 410 440 M14 100

3.2  Double-Section Stainless Steel Repair Coupling

S/N O. D Range Ship Industry Length (mm) Dimension Screw  Torque
  mm PN (bar) WP (bar) Normal(L1) Extended(L2) D(mm) H(mm) mm Nm
1 21-23 16 32 57   35 50 M6 15
2 24.5-25.5 16 32 57   50 70 M6 15
3 26-28 16 32 57   50 70 M6 15
4 31.5-32.5 16 32 57   55 75 M6 15
5 33-35 16 32 57   55 75 M6 15
6 40-42 16 32 57   55 75 M6 15
7 42-44 16 32 57   65 85 M6 15
8 44-45 16 32 57   65 85 M6 15
9 47-49 16 32 57 100 70 90 M6 15
10 53.3-54.6 16 32 57 100 70 90 M8 30
11 56.3-57.7 16 32 57 100 80 100 M8 30
12 59-62 16 32 80 139 85 105 M8 30
13 62-64 16 32 80 139 85 105 M8 30
14 75-78 14 28 80 139 100 120 M8 30
15 79-81 14 28 80 203 100 120 M8 30
16 88-92 14 28 107 203 110 130 M10 50
17 106-110 14 28 107 203 130 150 M10 50
18 109-111 14 28 107 203 130 150 M10 50
19 112-116 14 28 107 203 135 155 M10 50
20 116-119 14 28 107 203 140 160 M10 50
21 123-126 14 28 107 203 150 185 M10 50
22 131-134 14 28 107 203 160 190 M10 50
23 137-143 14 28 116 203 165 195 M12 80
24 157-161 12 24 116 203 185 215 M12 80
25 163-167 12 24 116 203 190 215 M12 80
26 166-170 12 24 116 203 195 225 M12 80
27 168-172 12 24 116 203 195 225 M12 80
28 198-201 8 16 155 255 240 270 M14 100
29 217-221 8 16 155 255 250 280 M14 100
30 250-254 8 16 155 255 285 315 M14 100
31 271-275 8 16 155 255 305 335 M14 100
32 313-317 7 14 155 255 340 375 M14 100
33 323-327 7 14 155 255 360 390 M14 100
34 354-358 7 14 155 255 385 420 M14 100
35 375-379 7 14 155 255 410 440 M14 100

4. Rubber Sealing Material 
 

Rubber Sealing Sleeve Material Chart 
Material  Suit for
EPDM  Temperature Range : -20ºC to +120ºC                                                Suit for water, waster water, air, CHINAMFG and chemicals fluids
NBR  Temperature Range : -20ºC to +120ºC                                                Suit for gas,oil, crude oil and other hydrocarbon fluids
MVQ(Silicon Rubber) Temperatuer Range: -75ºC to +200ºC                                          Sunlight resistant, heat resistant, high temperature isolation
VITON( Fluoro Rubber) Temperature Range: -95ºC to +300ºC                                              Heat resistant, chemical attack resistant

Note: you should choose the kind of rubber material based on the type of fluids of your pipeline .

5. Company Profile :

6. Certificate :

7. Project Cases :

FAQ
1.  Do Straub Coupling offer axial flexibility ? 
Yes,  Straub Flex Couplings offers axial flexibility in case the pipe ends move towards or away from each other .
These couplings can accommodate pipe shifts while ensuring a leak-tight seal for the passing media ?
2.  Do these couplings require welding ?
No, straub couplings can be readily installed CHINAMFG the pipes with simple tools and do not require welding for leak-tight seals. 
These couplings can be fixed just by screwing bolts CHINAMFG the pipe using a torque wrench.
3.  Are Straub Coupling reusable ?
Yes, our Straub Coupling are reusable as they have wrap-around design.
4.  What pipes are ideal for Straub Couplings ?
They are ideal for plain end pipes made from ductile iron, steel, stainless steel, PVC, FRP, CPP, CPVC, copper and concrete.
5.  Do these couplings require lubrication?
No,  straub couplings have built-in gaskets and do not require additional lubricants while installation.
6.  What applications are these couplings suitable for ?
They are ideal for vacuum, pressure and suction lines. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

tooth coupling

Materials Used in Manufacturing Tooth Couplings

Common materials used in manufacturing tooth couplings include:

  • Steel: Steel is a popular choice due to its high strength and durability. It can handle heavy loads and is suitable for a wide range of applications.
  • Cast Iron: Cast iron is known for its excellent wear resistance and ability to dampen vibrations. It is often used in applications where shock absorption is important.
  • Stainless Steel: Stainless steel is corrosion-resistant and can withstand harsh environments, making it suitable for industries like food processing and marine applications.
  • Aluminum: Aluminum is lightweight and offers good corrosion resistance. It’s commonly used in applications where weight reduction is important.
  • Bronze: Bronze is used for its self-lubricating properties and resistance to corrosion. It’s often employed in applications where lubrication is challenging.

The choice of material depends on factors such as the specific application, operating conditions, and required performance characteristics. Engineers select materials that offer the best combination of strength, durability, corrosion resistance, and other properties needed for the intended use of the tooth coupling.

tooth coupling

Identifying Wear or Damage in Tooth Couplings

Wear or damage in a tooth coupling can lead to performance issues and potential failures. Here are some signs to watch for and methods to identify problems:

  • Abnormal Noise: Unusual noise during operation, such as rattling, grinding, or clicking, can indicate misalignment or wear in the teeth.
  • Increased Vibration: Excessive vibration may suggest misalignment, worn teeth, or other issues affecting coupling performance.
  • Temperature Rise: If the coupling becomes unusually hot during operation, it could indicate friction due to misalignment or damaged teeth.
  • Visual Inspection: Regularly inspect the coupling for signs of wear, corrosion, pitting, or chipped teeth. Use proper lighting and magnification if needed.
  • Measurement: Check tooth clearances using specialized measurement tools to identify any significant deviations from specifications.
  • Runout Measurement: Measure coupling runout to detect eccentricity or misalignment that could lead to premature wear.
  • Alignment Check: Use laser alignment tools to ensure proper shaft alignment, preventing undue stress on the coupling teeth.
  • Lubrication Analysis: Analyze the lubricant for metal particles or signs of contamination, which could result from wear and damage.

Regular inspection, monitoring operating conditions, and addressing any signs of wear or damage promptly can help extend the life of the tooth coupling and prevent unexpected failures.

tooth coupling

Types of Tooth Couplings for Specific Uses

There are various types of tooth couplings designed to cater to specific application requirements:

  • Spur Tooth Couplings: These are the most common type, with straight teeth that transmit torque and handle misalignment.
  • Helical Tooth Couplings: Helical teeth reduce noise, vibrations, and backlash while providing smooth torque transmission.
  • Bevel Tooth Couplings: Ideal for applications where shafts intersect at an angle, such as in right-angle drives.
  • Internal Tooth Couplings: Suitable for applications where space is limited and torque needs to be transmitted through the inside of the coupling.
  • Sliding Tooth Couplings: These allow axial movement between shafts while transmitting torque, making them useful in applications with varying distances.
  • Flexible Tooth Couplings: These accommodate misalignment and dampen vibrations, commonly used in pumps, compressors, and turbines.

The choice of tooth coupling type depends on factors like torque requirements, misalignment, space constraints, and specific application demands.

China best Stainless Steel Metal Grip Straub Coupling with Anchoring Teeth China best Stainless Steel Metal Grip Straub Coupling with Anchoring Teeth
editor by CX 2024-04-26

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