Floating Ball Valve

Size: 1/2″~8″
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
No. Accessory Name Material (GB \ ASTM)
1 Body A216–WCB, A352–LCB, A351–CF8M CF3, CF3M, A52–LCB, LCC, 31803
2 Seat PTFE, RPTFE,Nylon, PEEK, PPL
3 Ball F304, F316, F316L, A105+ENP, F51 LF2+ENP, 1Cr18Ni9Ti
4 Screw 35*, B7, B8, B8M, L7
5 Lever Malleable Iron, WCB+Cr
6 Retainer 65Mn, AISI 1066
7 Stem A105+ENP, A182–F6, F304, F316, F316L, F51
8 Limited Plate 25*+Cr, Stainless Steel
9 Gland Packing A216–WCB, A351–CF8
10 Packing PTFE, Graphite Graphite
11 Thrust Washer PTFE, PPL
12 Gasket PTFE, Flexible Graphite + Stainless Steel Graphite + stainless steel
13 Nut 25*, 2H, 8, 8M, 4
14 Stud 35*, B7, B8, B8M, L7
15 Bonnet A216–WCB, A352–LCB, A351–CF8M CF3, CF3M, A52–LCB, LCC, 31803
Technical Specification
Design Reference APl series
Design Standard API6D ANSI B16.34Β  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(API598οΌ‰
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
β‰₯ 14 300 120 120
 

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