100DPC-S
Engineering
GREAT Solutions
DRAG® choke optimised to provide extended
life in challenging wellhead applications
100DPC-S
100DPC-S
Wellhead chokes face many challenges that can reduce life, increase
maintenance costs, and create upsets in field operations. The 100DPC-S
reduces the erosion rates seen early in the high pressure well life or
after start-ups, and increases the time between maintenance intervals,
giving long term reliable service. Through DRAG® technology and solid
tungsten carbide trim, fluid and sand velocities are reduced, resulting
in lower erosion rates and increased parts life. Available with either all
DRAG® trim, or DRAG® & Cage trim, the 100DPC-S can be configured
to meet the unique challenges of your production field.
Key features
Balanced trim design extends
Reliable pressure boundary protection packing life, reduces actuator
load, and improves control
Solid tungsten carbide plug and
disk stack provide the highest
level of erosion protection
Dual wiper rings protect
the balance seal
Tungsten carbide outlet liner
for additional protection of
the valve outlet
Controlled outlet expansion
eliminates body erosion
Increased gallery flow area to
reduce velocity and eliminate
body erosion
Trim customisation to meet
the needs of your wells
DRAG® Hybrid Cage
All DRAG trim for
®
Hybrid DRAG and
®
Cages provide
wells that have long cage technology high capacity when
periods of high provides stages for well pressures
pressure operation. high pressure drops have decayed and
When pressures and a cage for single stage cage
eventually decay the lower pressure free performance is
DRAG® & Cage trim flowing conditions sufficient.
can be installed for
high capacity.
Materials
Body / Bonnet Stem Plug / Disk stack Seals
A350-LF2
17-4 PH H150M Solid Tungsten Pressure-energised PTFE
Large DRAG® passages
AISI 4130
Inconel 718 Carbide (No elastomers)
A182-F6NM
Trim types and capacities
Trim type All DRAG® Hybrid Cage Cv boost
Each right angle turn is a single stage of pressure
drop. Large expanding DRAG® flow passages
Stages 6-4 4-2-Cage Cage Cage enable sand and paraffin to pass through the trim
Cv / Bean 9 / 39 27 / 81 27 / 81 50 / 112
Actuation options
All actuators have the same mounting details and can be changed without trim removal.
Manual
Conventional
Bare stem Electric diaphragm
IMI CCI
diaphragm
Sizes, pressure classes and dimensions (A and B)†
ASME 3"
ASME 2" ASME 4"
API 1 13/16" API 2 9/16" API 6A 3 1/16"
API 2 1/16" API 6A 4 1/16"
(5k - 3 1/8")
ASME 300# RF - 7.75" - 7.62" 9.88"
ASME 600# RTJ (RF) - 8.38" (8.38") - 8.63" (8.63") 10.81" (10.75")
ASME 900# RTJ (RF) - 8.81" (8.75") - 10.13" (10.13") 11.31" (11.25")
ASME 1500# RTJ (RF) - 8.81" (8.75") - 10.63" (10.63") 10.88 (10.88")
ASME 2500# RTJ - 9.81" - 11.50" -
API 6A 5k, 6B - 8.81" 10.25" 10.75" 10.88"
A
API 6A 10k, 6BX 8.81" 8.81" 9.38" 10.75" -
†The design specification break may occur at the choke by changing the outlet connection size. For example, a 2 1/16" API
10k inlet x 3" ASME 600# outlet is possible. Contact factory for options. B
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