All kinds of flanges are ones of our main leading…
♦ Adjustable Choke valve is classified into needle-type adjustable, barrel-type adjustable and orifice feature in design.
♦ Valve needle and valve core are made of hard alloy steel with some properties of erosion resistance and corrosion resistance.
♦ Take the effect of adjustment of flow-rate and pressure and opening/closing the choke valve.
♦ Needle structure is used for X’mas tree assembly, and barrel for choke manifold.
| 工作压力 Working Pressure | 2M,3M,5M,10M,105M | |||||||||||||||||||||||||||
| 材料级别 Material Class | AA,BB,CC,DD,EE,FF | |||||||||||||||||||||||||||
| 产品规范级别 Product Specification Level | PSL1，PSL2，PSL3，PSL3G,PSL4 | |||||||||||||||||||||||||||
| 性能级别 Performance Requirement Level | PR1 ,PR2 | |||||||||||||||||||||||||||
| 公称通径 Nominal bore | 1-13/16，2-1/16，2-9/16，3-1/8，4-1/16 | |||||||||||||||||||||||||||
Choke manifold is necessary to control well-kick & blowout…