Flange Type Pneumatic Elastic Hard Seal Butterfly Valve

Flange Type Pneumatic Elastic Hard Seal Butterfly Valve

Product Introduction And Application Of Flange Type Pneumatic Elastic Hard Seal Butterfly Valve. This Butterfly Valve Adopts A "U" - Shaped Stainless Steel Sealing Ring, Which Is Precisely In Contact With The Polished Butterfly Plate And Has A Three-dimensional Eccentric Sealing Area. The Organic Combination Of The Two Has Resulted In High-performance Technical Parameters Such As High Temperature Resistance, High Pressure Resistance, And Low Temperature Resistance. Therefore, It Is Wid
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Product Introduction


Introduction And Application Of Flange Pneumatic Elastic Hard Seal Butterfly Valve Product

This Butterfly Valve Adopts A "U" - Shaped Stainless Steel Sealing Ring, Which Is A Precision Elastic Sealing Ring That Contacts The Polished Butterfly Plate With A Three-dimensional Eccentric Sealing Area. The Organic Combination Of The Two Has Resulted In High-performance Technical Parameters Such As High Temperature Resistance, High Pressure Resistance, And Low Temperature Resistance. Therefore, It Is Widely Used In Pipelines For Corrosive Media Such As Metallurgy, Electricity, Petroleum, Chemical, Air, Gas, Combustible Gases, And Water Supply And Drainage With Medium Temperatures ≤ 550 ℃, As A Device For Regulating Flow And Cutting Off Fluids.


Characteristics Of Flange Type Pneumatic Elastic Hard Seal Butterfly Valve

1. The Butterfly Valve Has A Simple, Compact Structure, Light Weight, Easy Installation And Disassembly, And Convenient Maintenance;

2. This Butterfly Valve Adopts A Stainless Steel "U" - Shaped Sealing Ring, Which Has A Certain Degree Of Elasticity And Can Withstand High And Low Temperatures. In This Case, It Has Excellent Sealing Performance With The Butterfly Plate; .

3. The Three-dimensional Eccentricity Of This Butterfly Valve. After Rigorous Calculation, The "U" - Shaped Sealing Ring Has Almost No Friction With The Butterfly Plate, Has A Long Service Life, And Has The Function Of Tightening As It Is Closed.

4. The Sealing Surface Of The Butterfly Plate Is Made Of Welded Cobalt Based Hard Alloy, Which Is Wear-resistant And Has A Long Service Life;

5. This Butterfly Valve Has A Unique Structure, And The "switch" Can Be Completed By Simply Rotating The Valve Stem 90 °. It Is Flexible, Convenient, Labor-saving, And Not Affected By The High Or Low Pressure Of The Medium, With Reliable Sealing Performance;

6. High Temperature Resistance, Low Temperature Resistance, And Corrosion Resistance.


Performance Parameters Of The "U" Series Metal Hard Sealed Butterfly Valve

Nominal Diameter (DN)50-1000
Nominal Pressure1.OMPa1.6MPa
Test PressureIntensity1.5MPa2.4MPa
Seal1.1MPa1.76MPa
Applicable Temperature-196℃-550℃
Applicable MediumAir, Steam, Water, Oil, Acid, Alkali, Salt, Etc. (the Medium Does Not Contain Excessive Particles)
Drive TypeHandle, Worm Gear Transmission, Electric, Pneumatic, Hydraulic


The Main Component Materials Of The "U" Series Metal Hard Sealed Butterfly Valve

Part NameValve BodyButterfly Valve DiscValve StemFiller
MaterialCarbon Steel, Stainless Steel, Heat-resistant SteelCarbon Steel, Stainless Steel, Heat-resistant Steel (sealing Surface Welding, Hard Chrome Plating)Stainless Steel, Heat-resistant SteelFlexible Stone


Main Dimensions Of Flange Type Pneumatic Elastic Hard Seal Butterfly Valve

Nominal Diameter (DN)Main DimensionsFlange Size And Bolt Specifications
1.0MPa1.6MPa
LH1HDD1D2N-φdDD1D2N-φd
FiftyOne Hundred And EightTwo Hundred And Seventy-fiveThree Hundred And SixtyOne Hundred And SixtyOne Hundred And Twenty-fiveOne Hundred4-18One Hundred And Sixty-fiveOne Hundred And Twenty-fiveNinety-nine4-18
Sixty-fiveOne Hundred And TwelveThree HundredThree Hundred And NinetyOne Hundred And EightyOne Hundred And Forty-fiveOne Hundred And Twenty4-18One Hundred And Eighty-fiveOne Hundred And Forty-fiveOne Hundred And Eighteen4-18
EightyOne Hundred And FourteenThree Hundred And FiveFour Hundred And FiveOne Hundred And Ninety-fiveOne Hundred And SixtyOne Hundred And Thirty-five8-18Two HundredOne Hundred And SixtyOne Hundred And Thirty-two8-18
One HundredOne Hundred And Twenty-sevenThree Hundred And ThirtyFour Hundred And FiftyTwo Hundred And FifteenOne Hundred And EightyOne Hundred And Fifty-five8-18Two Hundred And TwentyOne Hundred And EightyOne Hundred And Fifty-six8-18
One Hundred And Twenty-fiveOne Hundred And FortyThree Hundred And FortyFour Hundred And SixtyTwo Hundred And Forty-fiveTwo Hundred And TenOne Hundred And Eighty-five8-18Two Hundred And FiftyTwo Hundred And TenOne Hundred And Eighty-four8-18
One Hundred And FiftyOne Hundred And FortyThree Hundred And FiftyFour Hundred And Ninety-fiveTwo Hundred And EightyTwo Hundred And FortyTwo Hundred And Ten8-23Two Hundred And Eighty-fiveTwo Hundred And FortyTwo Hundred And Eleven8-23
Two HundredOne Hundred And Fifty-twoFour HundredSix HundredThree Hundred And Thirty-fiveTwo Hundred And Ninety-fiveTwo Hundred And Sixty-five8-23Three Hundred And FortyTwo Hundred And Ninety-fiveTwo Hundred And Sixty-six12-23
Two Hundred And FiftyOne Hundred And Sixty-fiveFour Hundred And EightySeven Hundred And ThirtyThree Hundred And NinetyThree Hundred And FiftyThree Hundred And Twenty12-23Four Hundred And FiveThree Hundred And Fifty-fiveThree Hundred And Nineteen12-25
Three HundredOne Hundred And Seventy-eightFive HundredSeven Hundred And FiftyFour Hundred And FortyFour HundredThree Hundred And Sixty-eight12-23Four Hundred And SixtyFour Hundred And TenThree Hundred And Seventy12-25
Three Hundred And FiftyOne Hundred And NinetyFive Hundred And TwentyEight Hundred And FortyFive HundredFour Hundred And SixtyFour Hundred And Twenty-eight16-23Five Hundred And TwentyFour Hundred And SeventyFour Hundred And Twenty-nine16-30
Four HundredTwo Hundred And SixteenFive Hundred And SixtyNine HundredFive Hundred And Sixty-fiveFive Hundred And FifteenFour Hundred And Eighty-two16-25Five Hundred And EightyFive Hundred And Twenty-fiveFour Hundred And Eighty16-30
Four Hundred And FiftyTwo Hundred And Twenty-twoSix HundredNine Hundred And EightySix Hundred And FifteenFive Hundred And Sixty-fiveFive Hundred And Thirty-two20-25Six Hundred And FortyFive Hundred And Eighty-fiveFive Hundred And Forty-eight20-30
Five HundredTwo Hundred And Twenty-nineSix Hundred And TwentyOne Thousand And ThirtySix Hundred And SeventySix Hundred And TwentyFive Hundred And Eighty-five20-25Seven Hundred And FifteenSix Hundred And FiftySix Hundred And Nine20-33
Six HundredTwo Hundred And Sixty-sevenSix Hundred And SixtyOne Thousand One Hundred And FiftySeven Hundred And EightySeven Hundred And Twenty-fiveSix Hundred And Eighty-five20-30Eight Hundred And FortySeven Hundred And SeventySeven Hundred And Twenty20-36
Seven HundredTwo Hundred And Ninety-twoSeven Hundred And ThirtyOne Thousand Two Hundred And ThirtyEight Hundred And Ninety-fiveEight Hundred And FortyEight Hundred24-30Nine Hundred And TenEight Hundred And FortySeven Hundred And Ninety-four24-36
Eight HundredThree Hundred And EighteenEight HundredOne Thousand And Three HundredOne Thousand And TenNine Hundred And FiftyNine Hundred And Five24-34One Thousand And Twenty-fiveNine Hundred And FiftyNine Hundred And One24-39
Nine HundredThree Hundred And ThirtyNine Hundred And ThirtyOne Thousand Four Hundred And EightyOne Thousand One Hundred And TenOne Thousand And FiftyOne Thousand And Five28-34One Thousand One Hundred And Twenty-fiveOne Thousand And FiftyOne Thousand And One28-39
One ThousandFour Hundred And TenOne Thousand And ThirtyOne Thousand And Six HundredOne Thousand Two Hundred And TwentyOne Thousand One Hundred And SixtyOne Thousand One Hundred And Fifteen28-34One Thousand Two Hundred And Fifty-fiveOne Thousand One Hundred And SeventyOne Thousand One Hundred And Twelve28-42




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