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Valve Seriers - Ball Valve Seriers
FLANGE-CONNECTION FLOATING BALL VALVE
A. FLANGE-CONNECTION FLOATING BALL VALVE SPECIFICATIONS
  • Applicable medium: Water, gas, oil product, natural gas and corrosive mediums such as acids, alkali etc.
  • Applicable temperature: -196~350
  • Driving means: manual, pneumatic, motor and hydro-dynamic etc.
  • Inside nominal diameter:DN15~250mm (1/2" - 10")
B. FLANGE-CONNECTION FLOATING BALL VALVE BRIEF FIGURE OF STRUCTURE
No-pressure
Low-pressure
High-pressure
Q41F Flange-connection Floating Ball Valve
C. FLANGE-CONNECTION FLOATING BALL VALVE TECHNICAL SPECIFICATIONS
Design reference GB series API series
Design standard GB/T12237 API 6D ANSI B16.34
Flange-connection GB/T12221 API 6D ANSI B16.10
Structural length GB/T15188.1 API 6D ANSI B16.10
Connecting flange GB/T9113 ANSI B16.5. B16.47
Butt-welding ends GB/T12224 ANSI B16.25
Test & Inspection GB/T9092 API 6D API598
D. FLANGE-CONNECTION FLOATING BALL VALVE MAIN PARTS AND MATERIALS
NO. Accessory name Material
GB ASTM
1 Body WCB A216-WCB
2 Sealing Ring PTFE PTFE
3 Globe Ball 1Cr18Ni9Ti SS304
4 Nut 35 A194-2H
5 Stud 35Crmoa A193-B7
6 Bonnet WCB A216-WCB
7 Gasket Graphite+ taintlesssteel B12.10-304/F.G
8 Stuffing PTFE PTFE
9 Gland WCB A216-WCB
10 Locating piece 25 A 105
11 Ring 65Mn AISI  1066
12 Wrench Kt33 A47-667 Gr.32510
13 Stemt 1Cr33 A276-410
14 Screw 35 A193-B7
15 Gaske PTFE PTFE
E. FLANGE-CONNECTION FLOATING BALL VALVE TEST PRESSURE
Pressure grade Test pressure (Mpa)
Nominal pressure Pound (class) Shell test Sealing test
1.0 - 1.5 1.1
1.6 - 2.5 1.76
2.5 - 3.8 2.75
4.0 - 6.0 4.4
6.4 - 9.6 7.04
- 150 3.0 2.2
- 300 7.6 5.6
- 600 15.0 11.0
- 10K 2.4 1.5
- 20K 5.8 4.0
The technical data subject to amend without notice