GB/T 589-2015: Marine Flange Bronze Check Valve Standards & Guidelines

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CBT 3819 -2013 Plate type check valve:

Type


Nominal pressure

PN/MPa
Work Pressure/MPaNominal size/DNApplicable media
A
6、10、16-50~600Fresh water, sea water, inert system
B-0.018150~450


Main parts materials:

Main parts materialsMain parts materials

Main parts materialsMaterial
TypeBrandstandard encdoing
Valve bodyCast aluminum bronzeZCuAI19Mn2GB/T 1176-1987
Valve disc
O-RingrubberYI7445HG/T 2579-2008


A Structure and basic dimensions of type check valve:

Nominal size/DNstructure sizeTheoretical weight/kg
DdT
PN6PN10PN16PN6PN10PN16
5095951052614 0.50 0.50 0.90 
651151151253614 1.00 1.00 1.40 
801301301404814 1.20 1.20 1.70 
1001501501606614 2.60 2.60 3.20 
1251801801909516 7.40 7.40 8.20 
15020520521510519 11.60 11.60 12.70 
20026026027014029 14.90 14.90 17.10 
25031531532519029 20.50 20.50 23.20 
30037037037521838 32.10 32.10 35.40 
35042042043536541 62.50 62.50 68.90 
40047047048530651 64.00 64.00 73.00 
45052553555034251 72.90 81.00 84.00 
50057559061040861 75.10 88.60 95.10 
60067569072548075 147.80 169.50 185.50 


B Structure and basic dimensions of type check valve:

Nominal size/DNstructure sizeTheoretical weight/kg
DdT
15020510519 6.90 
20026014029 11.00 
25031519029 13.10 
30037031838 25.00 
35042036541 45.30 
40047030651 62.60 
45052534251 59.40 


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