TSI Adjustable Chokes feature a tapered needle and seat to adjust well discharge rate. Convertible to a positive choke by exchanging the adjustable bonnet assembly and seat with a blanketing plug and bean. Features lubrication and vent fittings for general maintenance.

Adjustable Choke Features

  • Tapered Needle and Seat to adjust well discharge rate
  • Indicator sleeve reveals orifice size in 1/64" increments needed for conversion to an equivalent positive choke size
  • Convertible to a positive choke by exchanging the adjustable bonnet assembly and seat with a blanketing plug and bean.
  • Lubrication and vent fittings are used for general maintenance
TSI adjustable choke

Adjustable Choke Parts List

  1. Bonnet
  2. Stem
  3. Seat
  4. Union Nut
  5. Body
adjustable choke cutaway

2000 - 5000 PSI Adjustable Choke Dimensions

D. Handwheel Diameter

B. Overall Size

X. Centerline to inlet flange face

Y. Centerline to outlet flange face

adjustable choke 2-5m dimensions

3,000 PSI Adjustable Choke Specifications

SizeBoreDXYBWeight
 inmminmminmminmminmmlbkg
2-1/16" 2.06 52.4 13.00 330 8.75 222 10.87 276 25.00 635 161 73
3-1/8" 3.13 79.4 13.00 330 10.37 264 11.63 295 28.35 720 254 115
4-1/16" 4.06 103.2 15.75 400 11.87 302 16.00 406 34.06 865 406 184

5,000 PSI Adjustable Choke Specifications

SizeBoreDXYBWeight
 inmminmminmminmminmmlbkg
2-1/16" 2.06 52.4 13.00 330 8.75 222 10.87 276 25.20 640 174 79
2-1/16" 2.06 52.4 13.00 330 3.94 100 6.97 177 21.26 540 163 74
2-9/16" 2.56 65.1 13.00 330 10.50 267 12.50 318 28.35 720 227 103
3-1/8" 3.13 79.4 13.00 330 10.37 264 11.63 295 28.35 720 265 120
4-1/16" 4.06 103.2 15.75 400 11.87 302 16.00 406 33.86 860 421 191
7-1/16" 7.06 179.4 18.90 480 14.25 362 19.37 492 38.39 975 833 378

10,000 - 20,000 PSI Adjustable Choke Dimensions

D. Handwheel Diameter

B. Overall Size

X. Bore Centerline to inlet flange face

Y. Bore Centerline to outlet flange face

10,000 - 20,000 PSI adjustable choke dimensions

10,000 PSI Adjustable Choke Specifications

SizeBoreDXYBWeight
 inmminmminmminmminmmlbkg
2-1/16" 2.06 52.4 12.99 330 8.27 210 8.27 210 23.62 600 205 93
2-9/16" 2.56 65.1 15.75 400 10.50 267 12.50 318 25.59 650 238 108
3-1/8" 3.06 77.8 12.99 330 10.37 264 11.63 295 25.59 695 340 154
4-1/16" 4.06 103.2 15.75 400 11.88 302 16.00 406 29.53 750 430 195

15,000 PSI Adjustable Choke Specifications

SizeBoreDXYBWeight
 inmminmminmminmminmmlbkg
2-1/16" 2.06 52.4 12.99 330 10.88 276 8.75 222 27.56 700 216 98
3-1/16" 3.06 77.8 15.75 400 10.37 264 11.63 295 27.95 710 375 170