CAMTOP Type ‘H’ Two-Way Check Valve (TWCV) — holds pressure from both directions to test the Christmas tree and BOP assembly. Fits same tubing hanger profile as BPV. API sizes 2″–6-5/16″ up to 20KSI, QPQ Nitride, Viton seals, Inconel trim available.
Two-Way Check Valve – Type ‘H’ TWCV
Description
CAMTOP Type ‘H’ Two-Way Check Valve (TWCV)
The CAMTOP Type ‘H’ Two-Way Check Valve (TWCV) is designed to fit the same profile in the tubing hanger as back pressure valves (BPV). The two-way check valve holds pressure from both directions while allowing balance when required, and is used to test the Christmas tree and blowout preventer (BOP) assembly.
Capabilities of CAMTOP Type ‘H’ TWCVs
- API tubing sizes from 2″ to 6-5/16″, up to 20KSI working pressure
- Non-Monogrammed and API Monogrammed — M/C: AA-HH, T/C: P-U, PR2
What is the ‘H’ TWCV designed for?
- Balance pressure at removal from the tubing hanger
- Corrosion resistance — NACE and API 6A compliant
- Enhanced load-bearing — QPQ Nitride
- High-pressure seal performance — Viton, HSN, and Nitrile seals
CAMTOP Type ‘H’ Two-Way Check Valves are hydrotested and field-proven, with an equivalent service history of over 35 years in wellhead manufacturers and repair providers worldwide.
Product Images
‘H’ Type Two-Way Check Valve Specifications
Standard — PSL N/A, PR1, Non-Monogrammed (QPQ Nitride, Viton Seals)
| Size (Nominal) | Part # |
|---|---|
| 1-1/2″ Max OD – 1.605″ | A1306 |
| 1-3/4″ Max OD – 1.775″ | A1307 |
| 2″ Max OD – 2.020″ | A1310 |
| 2-1/2″ Max OD – 2.485″ | A1315 |
| 3″ Max OD – 3.030″ | A1320 |
| 3-1/2″ Max OD – 3.530″ | A1322 |
| 4″ Max OD – 3.980″ | A1325 |
| 4-3/32″ Max OD – 4.085″ | A1327 |
| 4-3/8″ Max OD – 4.370″ | A1323 |
| 4-3/4″ Max OD – 4.730″ | A1326 |
| 5″ Max OD – 4.980″ | A1328 |
| 5″ Max OD – 5.010″ | A1408 |
| 6″ (4 TPI) Max OD – 5.980″ | A1362 |
| 6-5/32″ (4 TPI) Max OD – 6.135″ | A1397 |
| 6-1/16″ (2 TPI) Max OD – 6.0575″ | A1372 |
| 6-1/8″ (2 TPI) Max OD – 6.1205″ | A1377 |
| 6-5/16″ (2 TPI) Max OD – 6.3075″ | A1382 |
API Monogrammed — PSL N/A, PR2, Complete with Hydro-Test
| Size (Nominal) | Part # |
|---|---|
| 1-1/2″ Max OD – 1.605″ | A1306-1 |
| 1-3/4″ Max OD – 1.775″ | A1307-1 |
| 2″ Max OD – 2.020″ | A1310-1 |
| 2-1/2″ Max OD – 2.485″ | A1315-1 |
| 3″ Max OD – 3.030″ | A1320-1 |
| 3-1/2″ Max OD – 3.530″ | A1322-1 |
| 4″ Max OD – 3.980″ | A1325-1 |
| 4-3/32″ Max OD – 4.085″ | A1327-1 |
| 4-3/8″ Max OD – 4.370″ | A1323-1 |
| 4-3/4″ Max OD – 4.730″ | A1326-1 |
| 5″ Max OD – 4.980″ | A1328-1 |
| 5″ Max OD – 5.010″ | A1408-1 |
| 6″ (4 TPI) Max OD – 5.980″ | A1362-1 |
| 6-5/32″ (4 TPI) Max OD – 6.135″ | A1397-1 |
| 6-1/16″ (2 TPI) Max OD – 6.0575″ | A1372-1 |
| 6-1/8″ (2 TPI) Max OD – 6.1205″ | A1377-1 |
| 6-5/16″ (2 TPI) Max OD – 6.3075″ | A1382-1 |
Inconel — All API 6A Material Classes, Non-Monogrammed (Inconel, Viton Seals)
| Size (Nominal) | Part # |
|---|---|
| 1-1/2″ Max OD – 1.605″ | I1306 |
| 1-3/4″ Max OD – 1.775″ | I1307 |
| 2″ Max OD – 2.020″ | I1310 |
| 2-1/2″ Max OD – 2.485″ | I1315 |
| 3″ Max OD – 3.030″ | I1320 |
| 3-1/2″ Max OD – 3.530″ | I1322 |
| 4″ Max OD – 3.980″ | I1325 |
| 4-3/32″ Max OD – 4.085″ | I1327 |
| 4-3/8″ Max OD – 4.370″ | I1323 |
| 4-3/4″ Max OD – 4.730″ | I1326 |
| 5″ Max OD – 4.980″ | I1328 |
| 5″ Max OD – 5.010″ | I1408 |
| 6″ (4 TPI) Max OD – 5.980″ | I1362 |
| 6-5/32″ (4 TPI) Max OD – 6.135″ | I1397 |
| 6-1/16″ (2 TPI) Max OD – 6.0575″ | I1372 |
| 6-1/8″ (2 TPI) Max OD – 6.1205″ | I1377 |
| 6-5/16″ (2 TPI) Max OD – 6.3075″ | I1382 |
Inconel API Monogrammed — PSL N/A, PR2, Complete with Hydro-Test
| Size (Nominal) | Part # |
|---|---|
| 1-1/2″ Max OD – 1.605″ | I1306-1 |
| 1-3/4″ Max OD – 1.775″ | I1307-1 |
| 2″ Max OD – 2.020″ | I1310-1 |
| 2-1/2″ Max OD – 2.485″ | I1315-1 |
| 3″ Max OD – 3.030″ | I1320-1 |
| 3-1/2″ Max OD – 3.530″ | I1322-1 |
| 4″ Max OD – 3.980″ | I1325-1 |
| 4-3/32″ Max OD – 4.085″ | I1327-1 |
| 4-3/8″ Max OD – 4.370″ | I1323-1 |
| 4-3/4″ Max OD – 4.730″ | I1326-1 |
| 5″ Max OD – 4.980″ | I1328-1 |
| 5″ Max OD – 5.010″ | I1408-1 |
| 6″ (4 TPI) Max OD – 5.980″ | I1362-1 |
| 6-5/32″ (4 TPI) Max OD – 6.135″ | I1397-1 |
| 6-1/16″ (2 TPI) Max OD – 6.0575″ | I1372-1 |
| 6-1/8″ (2 TPI) Max OD – 6.1205″ | I1377-1 |
| 6-5/16″ (2 TPI) Max OD – 6.3075″ | I1382-1 |
Why Choose CAMTOP
- Full size range — 1-1/2″ to 6-5/16″ up to 20KSI working pressure
- API Monogrammed or non-monogrammed — material classes AA-HH, temp P-U, PR1/PR2
- QPQ Nitride enhanced load-bearing, Viton seals, Inconel trim available
- Factory hydro-test — every API monogrammed valve hydro-tested before shipment
- 24/7 technical support — direct engineering line
Ordering Information
Specify the part number from the size chart above, or contact us with your tubing size, working pressure and material trim requirements.
Contact CAMTOP for Orders & Technical Support
Email: sales@cposl.com
Phone/WhatsApp: +86-18621723891
Address: No.432, Fute North Road, Pudong District, Shanghai, China
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