The NOV Best Products line covers a complete range of severe service chokes from 2” to 10” nominal sizes with pressure ratings from 2,000 psi to 20,000 psi for API, and 150 lb to 2500 lb class for ANSI requirements. Customers may choose between an adjustable choke design with multi-orifice cage trim or a positive choke valve design.
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 Best products 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.
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
API Temperature Classes U through X
API Material Classes BB (Standard Service) through HH-NL (Critical Service CRA)