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Flanged Butterfly Valve
Product Introduction
Application Of Flange Butterfly Valve
This Butterfly Valve Is Suitable For Pipelines Containing Water, Oil, And Air As Media In Metallurgy, Chemical, Power, Municipal Engineering, And Water Plants. It Plays A Role In Cutting Off Fluids And Regulating The Flow Rate Of Media.
Characteristics Of Flange Butterfly Valve
1. This Butterfly Valve Has A Small Overall Size And Light Weight.
2. The Butterfly Plate Adopts Double Eccentricity, With Quick Opening And Closing, And Easy And Effortless Operation.
3. The Butterfly Plate Adopts Double Eccentricity. Ensure There Is No Sliding Friction Between The Butterfly Plate And The Sealing Ring. The Sealing Surface Is Wear-resistant With A Long Service Life And Reliable Sealing. Easy To Adjust.
Working Principle Of Flange Butterfly Valve
Rotate The Handwheel Of The Butterfly Valve And Drive The Valve Stem Butterfly Plate To Rotate Freely Within A 90 Degree Range Through The Worm Gear, So That The Butterfly Valve Is In The Open Or Closed State, Achieving The Purpose Of Connecting Or Cutting Off The Medium.
Main Performance Specifications For Flange Butterfly Valves
| Model | Nominal Pressure PS(MPa) | Shell Test Pressure PS(MPa) | Sealing Test Pressure PS(MPa) | Operating Temperature ℃ | Applicable Medium |
| D641/3/9X-10 | One | One Point Five | One Point One | ≤80℃ | Water And Oil Products |
Main Component Materials Of Flange Butterfly Valve
| Part Name | Valve Body, Butterfly Plate | Valve Stem | Sealing Ring | Filler |
| Material | Grey Cast Iron Ductile Iron | Medium Carbon Steel Stainless Steel (ZC13) | Nitrile Rubber | Flexible Graphite |
Main Dimensions Of Flange Butterfly Valve
| Nominal Diameter (DN) | L | D | D1 | D2 | B | H | H1 | Z-φd |
| One Hundred | One Hundred And Twenty-seven | Two Hundred And Fifteen | One Hundred And Eighty | One Hundred And Fifty-five | Twenty-two | Two Hundred And Forty | One Hundred And Twenty | 8-φ18 |
| One Hundred And Twenty-five | One Hundred And Forty | Two Hundred And Forty-five | 210t | One Hundred And Eighty-five | Twenty-four | Two Hundred And Seventy | One Hundred And Thirty | 8-φ18 |
| One Hundred And Fifty | One Hundred And Forty | Two Hundred And Eighty | Two Hundred And Forty | Two Hundred And Ten | Twenty-four | Three Hundred | One Hundred And Fifty | 8-φ23 |
| Two Hundred | One Hundred And Fifty-two | Three Hundred And Thirty-five | Two Hundred And Ninety-five | Two Hundred And Sixty-five | Twenty-six | Three Hundred And Thirty | One Hundred And Eighty | 8-φ23 |
| Two Hundred And Fifty | Two Hundred And Fifty | Three Hundred And Ninety | Three Hundred And Fifty | Three Hundred And Twenty | Twenty-eight | Four Hundred | Two Hundred And Twenty | 12-φ23 |
| Three Hundred | Two Hundred And Seventy | Four Hundred And Forty | Four Hundred | Three Hundred And Sixty-eight | Twenty-eight | Four Hundred And Ten | Two Hundred And Twenty | 12-φ23 |
| Three Hundred And Fifty | Two Hundred And Ninety | Five Hundred | Four Hundred And Sixty | Four Hundred And Twenty-eight | Thirty | Four Hundred And Sixty | Two Hundred And Seventy | 16-φ23 |
| Four Hundred | Three Hundred And Ten | Five Hundred And Sixty-five | Five Hundred And Fifteen | Four Hundred And Eighty-two | Thirty-two | Five Hundred And Ten | Two Hundred And Ninety | 16-φ25 |
| Four Hundred And Fifty | Three Hundred And Thirty | Six Hundred And Fifteen | Five Hundred And Sixty-five | Five Hundred And Thirty-two | Thirty-two | Five Hundred And Sixty | Three Hundred And Twenty | 20-φ25 |
| Five Hundred | Three Hundred And Fifty | Six Hundred And Seventy | Six Hundred And Twenty | Five Hundred And Eighty-five | Thirty-four | Five Hundred And Ninety | Three Hundred And Sixty | 20-φ25 |
| Six Hundred | Three Hundred And Ninety | Seven Hundred And Eighty | Seven Hundred And Twenty-five | Six Hundred And Eighty-five | Thirty-six | Six Hundred And Sixty | Three Hundred And Ninety | 20-φ30 |
| Seven Hundred | Four Hundred And Thirty | Eight Hundred And Ninety-five | Eight Hundred And Forty | Eight Hundred | Forty | Seven Hundred And Eighty | Four Hundred And Sixty | 24-φ30 |
| Eight Hundred | Four Hundred And Seventy | One Thousand And Ten | Nine Hundred And Fifty | Nine Hundred And Five | Forty-four | Eight Hundred And Fifty | Five Hundred And Thirty | 24-φ34 |
| Nine Hundred | Five Hundred And Ten | One Thousand One Hundred And Ten | One Thousand And Fifty | One Thousand And Five | Forty-six | Nine Hundred And Twenty | Five Hundred And Seventy | 28-φ34 |
| One Thousand | Five Hundred And Fifty | One Thousand Two Hundred And Twenty | One Thousand One Hundred And Sixty | One Thousand One Hundred And Fifteen | Fifty | Ninety | Six Hundred And Thirty | 28-φ34 |
| One Thousand And Two Hundred | Six Hundred And Thirty | One Thousand Four Hundred And Fifty | One Thousand Three Hundred And Eighty | One Thousand Three Hundred And Twenty-five | Fifty-six | One Thousand One Hundred And Fifteen | Seven Hundred And Fifty | 32-φ41 |
| One Thousand And Four Hundred | Seven Hundred And Ten | One Thousand Six Hundred And Seventy-five | One Thousand Five Hundred And Ninety | One Thousand Five Hundred And Twenty-five | Sixty-two | One Thousand Two Hundred And Twenty-eight | Eight Hundred And Fifty | 36-φ48 |
| One Thousand And Six Hundred | Seven Hundred And Ninety | One Thousand Nine Hundred And Fifteen | One Thousand Eight Hundred And Twenty | One Thousand Seven Hundred And Fifty | Sixty-eight | One Thousand Three Hundred And Forty | Nine Hundred And Ninety | 40-φ54 |
| One Thousand And Eight Hundred | Eight Hundred And Seventy | Two Thousand One Hundred And Fifteen | Two Thousand And Twenty | One Thousand Nine Hundred And Fifty | Seventy-two | One Thousand Five Hundred And Seventy | One Thousand And One Hundred | 44-φ54 |
| Two Thousand | Nine Hundred And Fifty | Two Thousand Three Hundred And Twenty-five | Two Thousand Two Hundred And Thirty | Two Thousand One Hundred And Sixty | Seventy-four | One Thousand Six Hundred And Eighty | One Thousand One Hundred And Seventy | 48-φ54 |