Fully Welded Ball Valve

Size: 2″~48″
Pressure: 150LB-2500LB
Applicable Temperature: -196~350℃
Applicable Medium: Water,gas,oil product,natural gas andCorrosive mediums as acids,alkalis,etc
Driving Means: Manual,pneumatic,motor,hydro-dynamic,etc

Main Parts and Materials
Number Accessory name Material
ASTM
1 Body A216-WCB、A352-LCB、A351-CF8M
CF3、CF3M、A52-LCB、LCC、31803
2 Spring 60Si2Mn、SS304、SS316、17-7PH、Inconel X750
3 Seat PTFE、RPTFE、PEEK、PPL
4 Ball F304、F316、F316L、A105+ENP、F51LF2+ENP、1Cr18Ni9Ti
5 Key 45*、A182-F6、F304、F316、F316L
6 Packing PTFE、Graphite
7 Stem A105+ENP、A182-F6、F304、F316、F316L
8 Gland A216-WCB、A351-CF8
9 Yoke A216-WCB
10 Cover A105+ENP、A182-F304、F316、F316L
11 “O”Ring Rubber,Viton
12 Sliding bearing +PTFE,PTFE&stainless steel,316+PTFE
13 Stud 35#、B7、B8、B8M、L7
14 Nut 25#、2H、8、8M、4
15 Bonnet A216-WCB、CF8、CF8M、CF3M、A352-LCB
16 Seat Ring A105+ENP、A182-F6、F304、F316、F316L
17 Gasket PTFE、Graphite+stainless steel
18 Screw nial 35#、B7、B8、B8M、L7
19 Fixed spindle A105+ENP、A182-F6、F304、F316、F316L
20 Bottom cover A105+ENP、A182-F304、F316、F316L
21 Blowoff screw 35#、B7、B8、B8M
Technical Specification
Design Reference APl series
Design Standard API6D ANSI B16.34  BS5351
Face Fo Face ANSI B16.10
End Flange ANSIB16.5、B16.47
BW End ANSI B16.25
Test&Inspection API6D API598
Fire Protection API607
Test Pressure(API598)
Nominal Pressure Shell test Water seal test Air seal test
Mpa Mpa Mpa
150LB 3.0 2.2 0.6
300LB 7.7 5.7
600LB 15.4 11.3
900LB 23.0 16.9
1500LB 38.3 28.1
2500LB 63.9 46.9
Minimum duration Test Time(S)(API598)
NPS (in) Shell Test (s) Water Seal Test (s) Air Seal Test (s)
≤ 2 15 15 15
2-1/2 ~ 6 60 60 60
8 ~ 12 120 120 120
≥ 14 300 120 120

 

 

 

 

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