Valve Leader Yuanda Valves
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API Cast Steel Trunnion Type Ball Valve
Main parts and materials:
 
Parts name
material
Body、Bonnet
A216WCB
A351;CF8;CF8M;
CF3;CF3M
A352LCB;
LCC;
A216WCB
A351 CF8M
Stem 
A182 F6a
A182 F304 316
A182 F6a
A182 F304 
A182 F304 
Seat ring 
PTFE;RPTFE;NYLON;MOLON;DELRIN or PEEK
seat
A105+HCr/ENP
A182 F304 316
A182 F6a
A105+HCr/ENP
A182 F316
Back seat 
A105+HCr/ENP
A182 F304 316
A182 F6a
A105+HCr/ENP
A182 F316
Ball 
A105+HCr/ENP
A351;CF8;CF8M;
CF3;CF3M
A352LCB;
LCC+ENP
A105+HCr/ENP
A351CF8M+ENP
 
Standards
 
Design and Manufacture
Face to face
Flange end
Inspection
API 6D,BS5351
ANSI B16.10
ANSI B16.5
API 598
 
Test pressure 
 
Test item
Shell test
Seal test
Back seal test
Air seal test
Medium(MPa)
water(MPa)
Air (MPa)
Pressure
(class)
150
3.1
2.2
2.2
0.5~0.7
300
7.8
5.6
5.6
600
15.3
11.2
11.2
900
23.1
16.8
16.8
 
Dimensions

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