WELDED METAL HARD SEAL BUTTERFLY VALVE
WELDED METAL HARD SEAL BUTTERFLY VALVE
Model
DN600-DN2000

Product review

Description

Executive standard for welded metal hard seal butterfly valve

Design and manufactureWelding sizeStructural lengthTest and inspection
GB/T12238  JB/T8527GB/T12224GB/T12221GB/T13927、GB/T26480

Main technical parameters of welded metal hard seal butterfly valve

Nominal diameterDN(mm)50~700
Nominal pressurePN(MPa)0.61.01.62.54.0
Test pressurestrength test0.91.52.43.756.0
Sealing test0.661.11.762.754.4
Airtight seal test0.60.60.60.60.6
Applicable mediaCorrosivity of water, steam, oil, acid, etc
Applicable temperatureApplicable temperature of carbon steel: – 29 ℃ ~ 425 ℃, applicable temperature of stainless steel: – 40 ℃ ~ 600 ℃

Material of main parts of welded metal hard seal butterfly valve

Part nameMaterial Science
valve bodyCast steel, stainless steel, chromium molybdenum steel, alloy steel, dual phase steel
DiscCast steel, stainless steel, chromium molybdenum steel, alloy steel, dual phase steel
valve seatStainless steel, hardfacing Stellite and other hard alloys
seal ringStainless steel and high temperature resistant asbestos board are combined into multi-layer
Stem20cr13, 1Cr13 stainless steel, chromium molybdenum steel, special materials
axle sleeveAustenitic stainless steel, 304 nitriding
fillerFlexible graphite, PTFE
Packing glandCast steel, stainless steel
BracketCast steel, stainless steel

Design drawing of this product


Main connection dimensions                                                                                                            PN0.6/1.0MPa

Nominal pressure  PN0.6MPaNominal pressure  PN1.0MPa
DNDimensions

WT

(kg)

DimensionsWT(kg)
mmLDdHH1ABLDdHH1AB
60039063660249912805706604503906366024991280570660465
70043072669256614807505506604307266925661480750550680
80047082679263216087505507804708267926321608750550810
90051092689269318577505508205109268926931857750550860
1000550102899275720389007501460550102899275720389007501625
12006301228119285122371000925159063012281192851223710009251770
14007101428139287624111000925218571014281392876241110009252425
1600790162815921095275610009253210790162815921095275610009253560
1800870182817921214309311009804090870182817921214309311009804545
2000950202819921332335511009805610950202819921332335511009806230

Main dimensions of welded metal hard seal butterfly valve PN1.6MPa

Nominal pressure 

Product use

Welded metal hard seal butterfly valve is widely used in heat, petroleum, chemical, electric power, metallurgy, food, medicine, light textile, papermaking and other industries. It can be installed in industrial pipe network with temperature ≤ 425 ℃ and medium of gas, air, steam, water, sea water, oil products, etc. for regulating flow and cutting off medium.

Product features of welded metal hard seal butterfly valve

1. Compact structure, small size, light weight, flexible operation, easy to use; 

2. The three-dimensional eccentric multi-layer hard sealing structure is adopted, and its sealing performance is reliable and reaches zero leakage; 

3. The valve has no flange, so it is convenient and beautiful to bind the pipe; 

4. It has the characteristics of high temperature, high pressure, corrosion resistance and wear resistance.