The National Oilwell Varco line of Best chokes covers a complete range of 1" to 6" nominal valve sizes with API 6A and ANSI ratings from 1,000 psi to 15,000 psi.
All NOV Best Choke Products are engineered and manufactured in strict compliance to either ANSI or API Ratings:
- American Petroleum Institute (6A latest Edition)
- NACE MR0175:2003
- ISO 9001-2000 Certificate of Compliance
- Meets all design requirements of DNV and ABS Certification
- CE / PED marking available on request
Although design, availability, quality, and performance of the product are critical to any evaluation and consideration to purchase, another important factor that has been recognized by our customers is “service after the sale”. National Oilwell Varco has strategically positioned service centers around the world with inventories of spare parts and trained service engineers to meet customers’ requirements of “service after the sale”. NOV's professional service engineers are available to quickly be dispatched to your well site to assist your production personnel in repairing your choke valve and keeping your wells flowing.