B1.5 Kits & Parts

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BST's B1.5 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, two PTFE jacketed self-energized seals 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 B1.5 parts and kits are in stock and available for immediately shipment, except as noted.  Contact BST Sales for price and delivery of these items.

B1.5 Angle Body Chokes - Complete Trim Replacement Kit - Stainless Steel

(Cage is integral with S.S. seat)

 

Size Kit Part Number
1" 2-083-2791-164
1" 2-083-2791-180
1" 2-083-2791-196

 

B1.5 Angle Body Chokes - Complete Trim Replacement Kit - Tungsten Carbide

(Cage is integral with T.C. seat)

 

Size Kit Part Number
1" 2-083-2791-364
1" 2-083-2791-380
1" 2-083-2791-396

B1.5 Common Parts & Accessories

Description Part Number
Angle Body, 2" FNPT 3-020-2052-000
Angle Body, 2" Buttweld Sch 160 3-020-2045-001
Angle Body, 2" Buttweld Sch 80* 3-020-2045-002
Packing Gland (Bonnet) 3-056-2048-000
Indicator Cap 3-040-3875-000
Indicator Sleeve (Specify Trim Size) 3-014-3876-DDD
Positioning Sleeve 3-014-3879-000
Thumb (Lock) Screw 3-004-0642-000
Set Screw (3 req'd) 3-004-1136-055
Seal Retaining Ring 3-004-0555-150
Ported S.S. Seat, 1" 3-017-2046-096
Ported S.S. Seat, 1"* 3-017-2045-080
Ported S.S. Seat, 1"* 3-017-2045-064
Stem, 1" S.S. 3-015-2047-096
Stem, 1" S.S.* 3-015-2047-080
Stem, 1" S.S.* 3-015-2047-064
Seal Backup Washer A (2 required) 3-003-2700-001
Seal Backup Washer B (1 required) 3-003-2700-002
Self-energized Seal A 3-026-2701-002
Self-energized Seal B 3-026-4261-002
Viton Packing Gland (Boinnet) O-Ring 3-012-0394-226
Aflas Packing Gland (Bonnet) O-Ring* 3-012-4203-226
Viton Seat O-Ring (for all S.S. Trim) 3-012-0394-224
Aflas Seat O-Ring (for all S.S. Trim)* 3-012-4203-224
Molypaste Lubricant (1 Pt Container) 3-053-2836-000
Bonnet Wrench (fits all B1.5 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.

 Tungsten carbide stems and seats can also be ordered separately; contact the factory for part numbers and availability (special order item).

  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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