Class 150 Carbon Steel Ball Valve -2,carbon Steel Ball Valve
Specifications
carbon steel ball valve1.Flanged end
2.Trunnion Mounted type
3.Two pieces body
4.API certificate
Class 150 carbon steel ball valve -2, carbon steel ball valve 

Class150 cast steel trunnion type ball valve
Characteristics of API Ball Valve
1. Design and manufacture of product according to American state standard ANSI B16.34, American petroleum institute standard API608 API6D.
2. Liquid resistance smallest of all type of valve.
3. Open quickly, only turn on 90 degree may finish open and close.
4. Seat material use teflon or R-teflon, low friction, seal reliable open and close lightly.
5. Movement of ball on the middle of valve seat has wipe function so may suit medium of suspending granule.
6. Stem use back seal and hyperbatic structure which may prevent medium to striking stem on the condition of pressure.
7. According to the need of consumer, may design for anti-static electricity, fireproof and use a locker to prevent wrong operator.
8. Body of ball can be floated or fixed accordance with the of strength of opening and closing. Seat of fixed ball valve floatable realize seal purpose depend on piston effect of medium pressure so to lighten the strength of open and close.
STD (Fire -Proof,Electricity Protect)
| Type | Desing And Manufacture | Face to face /End to end | Flange Dimension | Pressure and Temperature | lnspection and test |
| Split flange ball valve | BS5351 API6D | ASME B16.10 | ASME B16.5 | ASME B16.34 | API598 |
| Fixed flange valve | API6D |
Pressure Test
| Nominal Pressure | Shell Test | Water Seal Test | Air Seal Test | |||
| MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
| 150 | 3.1 | 450 | 2.2 | 315 | 0.5-0.7 | 60-100 |
| 300 | 7.8 | 1125 | 5.6 | 815 | ||
| 600 | 15.3 | 2225 | 11.2 | 1630 | ||
| 900 | 23.1 | 3350 | 16.8 | 2440 | ||
| 1500 | 38.4 | 5575 | 28.1 | 4080 | ||
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