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German standard bellows globe valve

Products > Bellows valve > German standard bellows globe valve

German standard bellows globe valve

Model: WJ41
Nominal diameter: DN15 ~ 350mm
Nominal pressure: PN16 ~ 40MPa
Operating temperature: -29 ~ 350 ℃
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First, the product overview:

Bellows  sealed globe valve is the introduction of advanced German technology   company, the use of advanced metal bellows sealing technology,   high-performance metal bellows, bellows seal globe valve bellows seal   design to completely eliminate the common valve stem packing seal aging   The shortcomings of quick leaks not only improve energy efficiency,   increase the safety of production equipment, reduce maintenance costs   and frequent maintenance, but also provide a clean and safe working   environment. Widely   used in: petrochemical, chemical fiber textile, plastic paper, power   steel, printing and dyeing rubber, food and other industries.


 Second, the structural features:
 1,   the product structure is reasonable, reliable seal, dual rugged bellows   seal design (bellows + filler), to ensure zero stem leakage. No fluid loss, improve factory equipment safety. And in line with international standards of sealing. 
 2,   the sealing surface surfacing Co-based cemented carbide,   wear-resistant, corrosion-resistant, good anti-friction performance,   long service life 
 3,   the valve stem quenching and nitriding treatment, good corrosion and   friction performance; stem Lift position indication, more intuitive

Drive modeManual
electric
design standardsDIN3356
Structure lengthDIN3202
Connect the flangeDIN2543-2545
Test and inspectionDIN3230


 Third, product performance specifications:

Nominal pressure (MPa)Shell test pressure (MPa)Seal test pressure (MPa)Applicable temperature (℃)
1.62.41.76
       ≤350 ℃
2.53.752.75
4.06.04.4
6.49.67.04

Note: Series valve connection flange can be designed and manufactured according to user requirements
 

Fourth, parts and materials:

Part NameBodycapValve stemDiscSealing surfacefiller
WCBWCBWCB13Cr2Cr132Cr13Flexible graphite
STL
304CF8CF8304304304Flexible graphite
STLPTFE
316CF8MCF8M316316316Flexible graphite
STLPTFE
304LCF3CF3316304L304LFlexible graphite
STLPTFE
316LCF3MCF3M316316L316LFlexible graphite
STLPTFE

Fifth, the size and weight specifications:

modelWJ41-16













Pressure LevelPN16













caliber1520253240506580100125150200250300350
L130150160180200230290310350400480600730850980
H195200220225235250260265370400515550600630680
Do130130130130150150180180200200400450450500500
Weight (Kg)44.557912.51823415490160260410610

 

modelWJ41-25
Pressure LevelPN25
caliber1520253240506580100125150200250300350
L130150160180200230290310350400480600730850980
H195200220225235250260265370400515550600630680
Do130130130130150150180180200200400450450500450
Weight (Kg)44.5579.5131924435795168300510680

 

modelWJ41-40
Pressure LevelPN40
caliber1520253240506580100125150200250300350
L130150160180200230290310350400480600730850980
H195200220225235250260265370400515550600630680
Do130130130130150150180180200200400450450500500
Weight (Kg)44.5581013.52025456098171340580780


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