Slider V2 shape

Butterfly Valve


What is a concentric disc, and how is it different from other designs?

Concentric discs are mechanical devices composed of multiple circular discs arranged in an interlocked fashion that rotate around a central axis or shaft. They provide controlled movement and interaction among them, often resulting in desirable effects for certain applications. One primary distinction between concentric discs and other designs is their unique configuration, which facilitates efficient energy transfer while providing precise control over various mechanical processes; their arrangement into concentric layers furthers this advantage and ensures even force distribution throughout operation and stability while operating.

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Concentric disc systems have been widely used across various industries, from automotive engineering to specialized industrial machinery like clutches and torque converters. Their unique advantages make them a reliable choice for many engineering solutions where precise torque distribution, friction modulation or energy transference is vital.

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Butterfly Valves

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What applications and industries primarily use concentric discs?

Concentric discs have widespread applications across industries due to their unique design and functional benefits. Automotive applications of concentric discs typically utilize them in limited-slip differentials to increase traction, improve vehicle handling and enable easier maneuvering over challenging road surfaces. They're also commonly used as torque converters that promote efficient power transfer between the engine and transmission system; manufacturing & industrial applications use them in clutches that ensure smooth engagement/disengagement between mechanical components in machinery.

Concentric disc technology benefits heavy machinery and equipment by precisely regulating friction levels. Furthermore, aerospace applications use concentric disc technology to include reliable and precise flight control mechanisms. Renewable energy sectors use concentric disc technology for wind turbine braking systems to provide safe energy harvesting from wind turbines, while prosthetic leg design uses them for increased mobility. Its widespread use proves its efficacy in optimizing mechanical systems and increasing operational performance.

Butterfly Valve Specification

Design Standards API 609/ ASME-B-16.34 / EN593
Size Range NPS 1 1⁄2” – 48” / DN 40- 1200
Maximum Pressure/Rating IVGK / IVTL 20 bar 150#, IVDF 16 bar PN16
Design Temperature -40°C to +180°C
End Connections Wafer / Lug / Double Flanged
Valve Sizes 2" (50mm) to 120" (3000mm)
Ratings Class 150 , Class 300 ,Equivalent to DIN
PN2.5, PN6, PN10, PN16, PN25, PN40
Body Seat IVGK – Replaceable / Bonded, IVTL / IVDF – Bonded to body
Body Materials Carbon Steels inc. Low Temp
Austenitic/ Super Austenitic Stainless steels
Aluminium bronze
Duplex/ Super Duplex alloys (1A-6A)
Hastelloy® B, C, Inconel
Monel®, Alloy 20
Others upon request
Face to Face EN 558 / API 609 BS 5155
Testing BS-6755 Part-1/API-598/EN-12266
Top Flange ISO 5211
Application & uses Water distribution
Water treatment
Power plants

Butterfly Valve Stock Availability

Stainless Steel Butterfly Valve

Stainless Steel Butterfly Valve

Stainless steel valves are especially tough since they are made of steel and have a high level of corrosion resistance. Steel valves can endure temperatures that are both very high and very low. Compared to steel valves, brass or plastic valves are often only rated for a smaller range of operating temperatures..

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Carbon Steel Butterfly Valve

Carbon Steel Butterfly Valve

Because of their excellent resistance to the corrosive tendencies of water and other liquids, carbon steel valves are used in hydraulic-based applications. Due to its high carbon content, it has excellent mechanical properties, strengthens the valve mechanism, and increases the valve mechanism's lifespan.

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Cast Iron Butterfly Valve

Cast Iron Butterfly Valve

Cast iron valves are commonly used in numerous applications, including utility systems in various industrial plants, air conditioning and plumbing in buildings, fire fighting equipment, and water and sewer lines.

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Alloy Steel Butterfly Valve

Alloy Steel Butterfly Valve

Alloy Steel Valves made from components that meet or exceed international and national requirements. A The main quality of alloy steel valves is three continuous flow of processes from foundry operation.

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Butterfly Valve Component Name, Quantity & Dimension

Butterfly Valve Component Name
1. Plate POM
2. O-ring EPDM rubber
3. Ring POM
4. Body Ductile iron GJS-500-7 (GGG-50)
5. Bearing Bronze/PTFE composite
6. Shaft, drive Stainless steel 1.4021
7. Liner EPDM rubber
8. Disc Ductile iron GJS-500-7 (GGG-50)
9. Shaft, stub Stainless steel 1.4021
10. O-ring NBR rubber
11. Plug POM
12. Screw Stainless steel A2

Butterfly Valve Ready Stock

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  • PN2.5 Butterfly Valve
  • Wafer Type Butterfly Valve
  • 150# Butterfly Valve
  • Flanged End Type Butterfly Valve
  • Lug Type Butterfly Valve
  • Class 300 Resilient Seated Butterfly Valves
  • PN16 Butterfly Valve
  • PN6 Butterfly Valves
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  • PN25 Butterfly Valves
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  • PN40 Resilient Seated Butterfly Valves
  • More Durable Butterfly Valves
  • PN10 Butterfly Valve

Butterfly Valves Applications and Uses

  • Distillery Plants
  • Sugar Industries
  • Process Industries
  • Power Plants
  • Refineries
  • Petrochemical Plants
Distillery Plants

Butterfly Valves in Distillery Plants

Sugar Industries

Butterfly Valves in Sugar Industries

Process Industries

Disc Butterfly Valve in Process Industries

Power Plants

Butterfly Valve in Power Plants


Disc Butterfly Valve in Refineries

Petrochemical Plants

Butterfly Valve in Petrochemical Plants

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