| Customization: | Available |
|---|---|
| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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The BPV, or one-way back pressure valve, is most often used during workovers as a necessary device to isolate pressure inside the BOP or tree
and tubing.
The TWCV, or two-way back pressure valve, is usually installed during field pressure tests on BOP or tree.
Both the BPV and TWCV are installed on tubing hangers
BPV: Blow out prevent Valve
One-way back pressure valve is composed of back pressure valve body, rectangular sealing ring, push rod, back pressure spool and spring
TWCV: Two way check valve
Two-way back pressure valve is composed of back pressure valve body, rectangular sealing ring, back pressure spool, joint, O-ring, screw.
Back Pressure Valve
There are two kinds of BPV, one-way and two-way. The one-way BPV provide circulating drill fluids downwards and shutting off pressure from
down hole. When coming to pressure test for Christmas tree under tubing hanger.
BPV adopts special short buttress thread, and it is of high strength, independence, long service time, etc. BPV could be assembled and
disassembled by using its running & retrieve tool to control well pressure effec-tively and quickly..
We supply:
BPV Size: 2 ", 2-1/2 ", 3 "and 4", 4 1/2 ", 5 ", 6-1/16, "6- 5/16"
TWCV Size: 2 ", 2-1/2 ", 3 "and 4", 4 1/2 ", 5 ", 6-1/16, "6- 5/16"
| No. | Description | Qty. |
| 1 | Back pressure Valve Lubricator 3 1/16" x 10000 psi WP +/- 18 ft.long | 1 |
| 2 | BPV(type H) 2" | 2 |
| 3 | BPV(type H) 2 1/2" | 1 |
| 4 | BPV(type H) 3" | 2 |
| 5 | BPV(type H) 4" | 1 |
| 6 | BPV(type H) 4 1/2" | 1 |
| 7 | BPV(type H) 5" | 1 |
| 8 | BPV(type H) 6 1/16" | 1 |
| 9 | BPV(type H) 6 5/16" | 1 |
| 10 | TWCV(type H) 2" | 2 |
| 11 | TWCV(type H) 2 1/2" | 1 |
| 12 | TWCV(type H) 3" | 2 |
| 13 | TWCV(type H) 4" | 1 |
| 14 | TWCV(type H) 4 1/2" | 1 |
| 15 | TWCV(type H) 5" | 1 |
| 16 | TWCV(type H) 6 1/16" | 1 |
| 17 | TWCV(type H) 6 5/16" | 1 |
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