NEW Sivalls MODEL WKH-0620-T1-075-2PM
This is a two phase, unfired Free Water Knockout
These units are designed to work upstream of a treater to remove free water.
A level control on the center line regulates the oil/emulsion interface
As stinger at the top of the vessel provides gas disengaging space and regulates the oil/gas interface.
The gas leg is directly tied to the treater inlet.
A treater dump cycle, and commensurate pressure drop, causes gas, emulsion (or both) to flow to the treater inlet.
The back pressure on the FWKO is managed by the treater Back Pressure Control Valve.
This arrangement cuts gas measurement and the third phase gas piping out of the package costs.
Typically one would assume 10-20% of water would carried over from the FWKO emulsion to the treater.
Using the Sivalls FWKO Retention times are based on inlet temp.
25-30 min. for 60F fluid temperature
20-25 min. for 70F fluid temperature
15-20 min. for 80F fluid temperature
10-15 min. for 90F fluid temperature
5-10 min. for 100F fluid temperature
30-35 min for 50F fluid temperature is extrapolated but generally works well in practice.
For more details on operations, ask for a link to Sivalls' "Crude Oil Treating Manual".
Unit features the following:
· Two (2) standard lifting lugs
· All connections 2” and larger to be 150# RF flanged
· Pair of standard saddles with base plate
· 3" inlet and diverter
· quieting baffle
· 3" common oil and gas outlet connection with oil skimmer
· 18" 75# manway with trunnion, interfacial float, float nose trunnion, with mechanical linkate, float loaded for interface
· 3" mechanically operated water valve, Kimray 312 FOT, internally coated
· Thermometer with thermowell
· 14" diameter float with mechanical linkage
· 3" mechanically operated water valve, Kimray 412 FOT, internally coated
· 0-100 PSI Steel pressure gauge with steel isolating valve
· Two Sets of ductile iron gauge cocks with tubular glass
· 0-250F thermometer with thermowell
· Two 2" x 2" high capacity relief valves
· Drain connection
· Exterior primed and painted Sivalls Tan
· Internally coated with Corchem 204
· CRN for BC, AB, SK, MB included
· AB registration
Typical Standard Bill of Materials:
· Kimray 312 FOT dump valve
125# Operating Pressure, 175# MAWP
Diaphragm balanced
Single soft seat
Teflon Packed, Rotary Stuffing Box
Designed to be able to easily remove internals with valve in-line for servicing
Flanged
Through-body
Ductile Iron
2.25" trim (0.79 Cf 43.8 Cv values)
· KF Needle valve 25-145/CS, 1/4" M x F 6M
· Kimray Trunnion: 25 TOBN-D
Ductile Iron & 316 Stainless Steel
Mechanical Trunnion Assembly
(Can be converted to pneumatic with Kimray 3PM Pilot)
· Float CS 3/4" NPT x 14"
· Arm Float CS 3/8" NPT x 14"
· Two Bushings FS/Hex, 3/4" x 3/8" SA-105
· Two Penberthy gauges, N7a Iron, 1/2" NPT
Provide a 90° connection to the pressure vessel
Plain transparent glass
Ball checks prevent loss of process fluid in the event of an accidental breakage of the gauge glass.
Threaded renewable seat
Glass unions provide superior pressure and temperature rating
Offset design allows easy cleaning
· Two Glass Gauge Standard wt 5/8" OD x 24" long
· PI SS/LF/0-160# 2-1/2"
· Two Taylor Relief Valves 8200 Model
2" NPT (One set at 75#, one set at 82#)
Zero Leakage up to 90% of set point (API527)
Superior Spring Design and Material for consistent opening and closing pressures
Patented radius disc reduces interference required to seal and assure reliable reseating
High endurance soft seat supports repeated operations and bubble-tight shutoff repeatedly
low "simmer" rate
consistent blowdown
· TI, 0-160F, 3" dial, 6" stem
· Thermowell, CS, 3/4" x 1/2" x 6"
· Hex Bushing 1/2" x 1/4" SA-105
· Two Nipple SMLS Std SA106B, 2" x 3"
· Two Pipe SMLS SA106B, 2 SCH 40.154W HF
· Two Ell, Threaded 200#, FS 90 2" SA-105
· Two Flange RFTHD, 150# 2" SA-105
· Two Gasket, Ring at 1/16" 150#, 2"
· Eight Bolt, Stud B-7, Black 5/8" x 3-1/4"
· Gasket, Ring at 1/16" 150# 3"
· Four Bolt, Stud B-7 Black 5/8" x 3-1/2"
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