GB wedge gate valve

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GB wedge gate valve

Product model: Z41H
Nominal diameter: DN15 ~ 200mm
Nominal: PN1.6 ~ 16MPa
Working temperature: -29 ~ 350 ℃
steam, chemical, oil, and other plant: Medium
Operation: manual
Body material: carbon steel (Z40H-100-160 Z40Y-100-160), chromium molybdenum steel (Z40Y-100I ~ 160I), stainless steel (Z40W-100P ~ 160P)
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Product description:

GB wedge gate valve for the nominal pressure PN1.6 ~ 16MPa, operating temperature -29 ~ 350 ℃ of oil, chemical, pharmaceutical, fertilizer, power industry and other conditions on the pipeline, cut off or connected to the pipeline medium. The national standard corrugated pipe gate valve structure is reasonable, reliable sealing, excellent performance, beautiful shape; sealing surface welding Co-based carbide, wear, corrosion resistance, anti-friction performance, long life; Surface nitriding treatment, a good anti-corrosion and anti-friction properties; double seal, more reliable performance; stem lift position instructions more intuitive.


GB wedge gate valve 
structural features:

 1, the product structure is reasonable, reliable, excellent performance, handsome in appearance; 
 2, sealing surface welding Co-based carbide, wear, corrosion resistance, anti-friction performance, long life; 
 3, stem quenched and tempered Nitriding, a good anti-corrosion and anti-friction performance; 
 4, double seal, the performance is more reliable; 
 5, stem lift position indicator, more intuitive; 
 6, parts and flange, butt weld size according to the actual work Conditions or user requirements reasonable matching, to meet the needs of various projects.
 

GB wedge gate valve test pressure:

Nominal pressure (nominalPressure)1.6Mpa2.5Mpa4.0Mpa
Seal test (seal test)1.8Mpa2.8Mpa4.4Mpa
Shell strength2.4Mpa3.6Mpa6.0Mpa
Applicable temperature (suitable Temprature)300 ° C


 Part material:

Part         nameBody Bonnet Stem Flap         DiscSealing surface         SealiingPacking 
GS-C25GS-C25GS-C2513r2Cr132Cr13Flexible Graphite GRAPHITE
STL
304CF8CF8304304304Flexible Graphite GRAPHITE
PTFE
STL
316CF8MCF8M316316316Flexible Graphite GRAPHITE
PTFE
STL
304LCf3Cf3316304L304LFlexible Graphite GRAPHITE
PTFE
STL
316LCF3MCF3M316316L316LFlexible Graphite GRAPHITE
PTFE
STL


 Connection size:

PNDNLDD1D2BfN-Φ△ H (STRODE)
1.6151309565451424-1420
2015010575551424-1425
2516011585651424-1430
32180135100781624-1835
40200145110851634-1845
502501601251001634-1855
652651801451201834-1870
802801951601352038-1885
1003002151801552038-18105
1253252452101852238-18130
1503502802402102438-23155
20040033529526526312-23205
2.5151309565451624-1420
2015010575551624-1425
2516011585651624-1430
32180135100781824-1835
40200145110851834-1845
502501601251002034-1855
652651801451202238-1870
802801951601352238-1885
1003002301901602438-23105
1253252702201882838-25130
1503503002502183038-25155
20040036031027834312-25205
4.0151309565451624-1420
2015010575551624-1425
2516011585651624-1430
32180135100781824-1835
40200145110851834-1845
502501601251002034-1855
652801801451202238-1870
803101951601352238-1885
1003502301901602438-23105
1254002702201882838-25130
1504503002502183038-25155
20055037532028238312-30205