B1 Kits & Parts

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BST's B1 flow control chokes are easy to repair and replace trim and other parts without removing the choke body from the wellhead or flow line. 

All complete trim repair and resizing kits include a matched stem and seat, a PTFE packing stack to seal the stem to the bonnet, and the two Viton O-rings required to seal the bonnet to the body and the seat to the body.  You can calculate the liquid or gas flow for any trim size (or percentage thereof) at BST's flow calculator web pages.

All kits and parts offered on this page are rated for both standard (sweet) and H2S (sour) oil and gas service per NACE MR-01-75.  Viton O-rings are standard, with Aflas as a premium option.

All standard B1 parts and kits are in stock and available for immediately shipment, except as noted.  Contact BST Sales for price and delivery of these items.

B1 Angle Body Chokes - Complete Trim Repair Kit - Stainless Steel

Size Kit Part Number
" 2-083-0234-021
" 2-083-0234-022
" 2-083-0234-023
1" 2-083-0234-024

B1 Angle Body Chokes - Complete Trim Repair Kit - Tungsten Carbide

Size Kit Part Number
" 2-083-0234-031
" 2-083-0234-032
" 2-083-0234-033
1" 2-083-0234-034

 

B1 Thru Body Chokes - Complete Trim Repair Kit - Stainless Steel

 

Size Kit Part Number
" 2-083-0233-021
" 2-083-0233-022
" 2-083-0233-023
1" 2-083-0233-024

 

B1 Thru Body Chokes - Complete Trim Repair Kit - Tungsten Carbide 

 

Size Kit Part Number
" 2-083-0233-031
" 2-083-0233-032
" 2-083-0233-033
1" 2-083-0233-034

B1 Common Parts & Accessories

Description Part Number
Angle Body, 2" FNPT 3-020-0222-002
Angle Body, 2" Buttweld Sch 160 3-020-0224-001
Angle Body, 2" Buttweld Sch 80* 3-020-0224-002
Thru Body, 2" FNPT 3-020-0219-000
Thru Body, Buttweld Sch 160 3-020-0221-001
Thru Body, Buttweld Sch 80* 3-020-0221-002
Packing Gland (Bonnet) 3-056-0185-000
Cage 3-022-0201-000
Standard Handle 3-021-0183-001
Indicator Ring (Specify Trim Size) 3-051-0184-DDD
Set Screw (3 Req'd) 3-004-1136-055
Lock Screw (1 Req'd) 3-004-1136-058
Packing Spring 3-005-0189-001
Packing Washer (2 Req'd) 3-003-0186-000
Stem Packing Set (PTFE) 2-026-0187-400
Viton Packing Gland O-Ring 3-012-0394-220
Aflas Packing Gland O-Ring* 3-012-4203-220
Viton Seat O-Ring (for " - " SS & " - " TC Trim) 3-012-0394-216
Aflas Seat O-Ring (for "-" SS & "-" TC Trim)* 3-012-4203-216
Viton Seat O-Ring (for 1" SS & " - 1" TC Trim) 3-012-0392-026
Aflas Seat O-Ring (for 1" SS & "-1" TC Trim)* 3-012-4201-026
Molypaste Lubricant (1 Pt Container) 3-053-2836-000
EZ-VU Handle Kit* (Specify Trim Size) 2-021-3577-DDD
EZ-Vu T-Bar Handle Kit* (Specify Trim Size) 2-021-4402-DDD
Bonnet Wrench (fits all B1 style chokes - required to change trim or replace packing) 3-016-5679-472

* Indicates special order item

  Bodies with welded flanges and clamp type hubs are special order items; contact BST factory for information.

 Stems and seats can be ordered separately; contact the factory for part numbers and availability.

  Hardened stems can be ordered separately (for erosive sweet service only); contact the factory for part numbers and availability.


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Copyright 2013 BST Lift Systems Inc.
Last modified: August 17, 2017

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