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| 【Valve】-->【Check
valve】
 |
·Usually
used for kill manifold
The sealing face of core and seat is overlaying-welded with
hard alloy with erosion and corrosion
resistance.
·Working pressure：2000~15000PSI
·Nominal bore：2 1/16″~4 1/16″ |
【Valve】-->【Choke
valve】
 |
·Choke
valve is classified into needle-type adjustable, barrel-type
adjustable and orifice feature in design |
| ·Driving mode：Manual
& hydraulic |
| ·Connection mode：Flanged
and thread |
| ·Working pressure：2000~20000PSI |
| ·Nominal bore：2 1/16″~4
1/16″ |
| 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. |
| |
【Valve】-->【Mud
valve】
 |
·Design
complies with the requirements of API SPEC 6A and other
relevant specification.
·End connection type：flange, inner-thread,
union and weld
·Between the gate and seat adopts metal
seal or non-metal seal as required
·Working pressure：2000PSI、3000PSI、5000PSI
·Nominal bore：2″~5″ |
| |
【Valve】-->【Plate
valve】
 |
Feature in design |
·Comply with the requirement
of API SPEC 6A;
·Valve structure includes
two kinds, i.e.rising stem and non-rising stem
·End
connection type : Flange, thread, collar and butt welding
·Driving model：Manual, gear drive and
hydraulic.
·Gate structure：Integral
and expanded
·The sealing face of
gate and seat is overlaying-welded with hard alloy with
erosion and corrosion resistance.
·The
valve seat is classified into floating and fixed structure
·Stem filler adopts lip structure with
reliable seal and small operation torque. |
【Valve】-->【Wedge
gate valve】
 |
·Design complies
with the requirements of API SPEC 6A and other relevant
specification.
·End connection type：Flange, inner-thread,
collar and butt-weld
·both sealing faces of gate are wedge
type structure , and hand wheel can be loaded to adjust
the fastness of attachment of gate and valve seat.
·The sealing face of gate and seat is
overlaying-welded with hard alloy with erosion and corrosion
resistance.
·Working pressure：2000~10000PSI
·Nominal bore：2 1/16″~4 1/16″ |
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