China high quality Fire Fighting Parts 2-1/2" Ductile Iron Flexible Coupling Price List

Product Description

4 colors choice: Red ,Orange ,Blue ,Galvanized Of Rigid Coupling,galvanized pipe fitting 
ductile iron rigid coupling / fire fitting coupling / grooved fittings   

1.FM UL approved  of  All Grooved Coupling
2.Size:1-12" for all grooved fitting
3.Grooved Coupling Material:ductile iron ASTM-A536 Grade 65-45-12
4.Grooved Coupling Surface :painting,epoxy,hot dip galvanzed
5.Gasket for Grooved Coupling : 

                  EDPM , tempersture Range : (-34----+110ºC)

                  SILICON , tempersture Range : (-40----+177ºC)

                  NITRILE, tempersture Range : (-29----+82ºC)

Ductile flexible coupling ,ductile iron flexible coupling / fire fighting /grooved fittings,Rigid coupling

 

UL FM Flexbile Coupling
Nominal Size mm/in Pipe O.D mm/in Working Pressure PSI/MPa Dimensions mm/in
Ø L H
25 
1
33.7 
1.327
300 
2.07
55. 
2.165
95 
3.74
45 
1.772
32 
42.4 
1.669
300 
2.07
65 
2.559
105 
4.133
45 
1.772
40 
48.3 
1.900
300 
2.07
71. 
2.795
110     4.331 45 
1.772
50 
2
60.3 
2.375
300 
2.07
82 
3.228
124 
4.882
45 
1.772
65 
73.0 
2.875
300 
2.07
98 
3.858
141
5.551
45 
1.772
65 
3OD
76.1 
3.000
300 
2.07
100 
3.937
142 
5.59
45 
1.772
80 
3
88.9 
3.500
300 
2.07
113 
4.449
160 
6.299
46 
1.811
100 
4
114.3 
4.500
300 
2.07
142 
5.59
190 
7.48
49 
1.929
125 
5.5OD
139.7
5.500
300 
2.07
168 
6.614
218 
8.583
49 
1.929
150 
6.5OD
165.1 
6.500
300 
2.07
194 
7.638
244 
9.606
49 
1.929
150 
6
168.3       6.625 300 
2.07
198 
7.795
248 
9.764
49 
1.929
200
8
219.1 
8.625
300 
2.07
256. 
10.079
320 
12.598
60 
2.362
250 
10
273 
10.748
300 
2.07
328 
12.913
420 
16.535
64 
2.52
300 
12
323.9 
12.752
300 
2.07
380 
14.961
454 
17.874
64 
2.52

                                       DETAILS    

Name Rigid and flexible Coupling, elbow, tee, cross, reducer, cap, mechanical tee, mechanical cross, flange adaptor
Standard ANSI, ASTM, ISO
Type Manufacturer,trading company
Material Ductile iron
Finish Paint, Epoxy or Galvanization
Approval FM/UL
Usage 1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc.
2) Industrial pipeline system on shipping, mine, oil field, textile, powder plant, etc.
3) Pipeline system on subway station, railway station, airport, seaport, bridge, etc.

KINGMETAL STEEL INDUSTRY CO.,LTD ,is a professional company in manufacturing and saling steel pipes and pipe fittings
( tee, elbow ,reducer ,flanges). we are an old company in this area ,we start from 1989 and have rich exporting experience .

Cooperating with us you will feel easy and safe ! /* 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

flexible coupling

Can flexible couplings be used in food processing and pharmaceutical industries?

Yes, flexible couplings can be used in both the food processing and pharmaceutical industries under certain conditions. These industries have stringent requirements for equipment used in their processes, including hygienic design, cleanliness, and resistance to contamination. Here's how flexible couplings can be used in these industries:

  • Hygienic Design: In food processing and pharmaceutical applications, flexible couplings with hygienic designs are essential to prevent the accumulation of food particles, dust, or other contaminants. Stainless steel or FDA-approved materials are commonly used to ensure compliance with hygiene standards and ease of cleaning.
  • Cleanability: The equipment used in food processing and pharmaceutical industries must be easily cleanable to maintain product purity. Flexible couplings with smooth surfaces and no crevices or pockets that can trap particles are preferred.
  • Chemical Resistance: Some food processing and pharmaceutical applications involve the use of cleaning agents or chemicals. Flexible couplings must be resistant to these chemicals to prevent degradation and ensure long-term reliability.
  • Corrosion Resistance: In food processing and pharmaceutical environments, equipment is often exposed to washdowns and sanitizing solutions. Flexible couplings made of corrosion-resistant materials can withstand these conditions and maintain their performance over time.
  • Compliance with Standards: The food processing and pharmaceutical industries are subject to strict regulations and standards. Flexible couplings used in these industries should comply with relevant industry standards, such as FDA, EHEDG, or NSF standards.
  • Non-Toxic Materials: Flexible couplings used in direct contact with food or pharmaceutical products must be made of non-toxic materials that will not contaminate the process.
  • Resistant to Temperature Extremes: Some food and pharmaceutical processes involve extreme temperatures. Flexible couplings must be capable of withstanding high and low temperatures without compromising their integrity.

When selecting flexible couplings for food processing and pharmaceutical applications, it is essential to work closely with manufacturers and suppliers who understand the industry's unique requirements. Customized solutions may be necessary to ensure that the couplings meet the specific needs of the application and comply with industry standards.

Summary: Flexible couplings can be used in food processing and pharmaceutical industries when they meet the necessary hygiene, cleanability, chemical resistance, corrosion resistance, compliance with standards, and temperature resistance requirements. Proper selection and application of flexible couplings can contribute to the efficiency and reliability of equipment in these critical industries.

flexible coupling

Can flexible couplings be used in the aerospace industry for critical applications?

Flexible couplings can be used in the aerospace industry for certain critical applications, but their usage is limited and carefully considered due to the stringent requirements and safety standards in the aerospace field. Here are some key points to consider:

  • Specific Applications: In the aerospace industry, flexible couplings are primarily used in non-flight-critical systems or non-safety-critical applications. They are commonly found in auxiliary equipment, ground support systems, and non-flight propulsion systems.
  • Weight and Space Constraints: Weight and space are crucial factors in aerospace applications. Flexible couplings must be lightweight and compact to minimize the impact on the overall weight and size of the aircraft or spacecraft.
  • High Reliability Requirements: Aerospace systems demand high reliability and fault tolerance. Flexible couplings used in critical applications must meet stringent reliability standards and undergo rigorous testing and certification to ensure their performance under extreme conditions.
  • Material Selection: Aerospace-grade materials are necessary to withstand the demanding environment of aerospace applications. These materials should have high strength-to-weight ratios, corrosion resistance, and excellent mechanical properties to handle the stresses and forces experienced during operation.
  • Certifications: Flexible couplings used in the aerospace industry must adhere to specific certifications and standards, such as those set by organizations like the Federal Aviation Administration (FAA) in the United States or the European Union Aviation Safety Agency (EASA) in Europe.
  • Redundancy and Safety Measures: In critical systems, redundancy and safety measures are paramount. Flexible couplings used in aerospace applications must be designed with redundancy features to ensure the system's continued functionality in the event of a failure.
  • Temperature and Environmental Considerations: Aerospace systems experience a wide range of temperatures and environmental conditions. Flexible couplings must be able to operate reliably in extreme temperatures, high altitudes, and other challenging environments encountered during flight or space missions.

While flexible couplings have their place in certain aerospace applications, flight-critical and safety-critical systems typically rely on rigid, precision-engineered couplings. These rigid couplings offer higher levels of torque transmission and precision but require careful alignment and installation.

Ultimately, the selection of flexible couplings for aerospace applications must undergo a thorough engineering evaluation and be approved by the relevant regulatory authorities to ensure the highest level of safety and performance in critical aerospace systems.

flexible coupling

What industries commonly use flexible couplings for power transmission?

Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:

  • Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
  • Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
  • Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
  • Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
  • Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
  • Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
  • Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
  • Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
  • Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
  • Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.

The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.

China high quality Fire Fighting Parts 2-1/2China high quality Fire Fighting Parts 2-1/2
editor by CX 2024-04-12

flexible shaft coupling

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