Description
The QUAM CNA is a Needle & Seat Choke Valve complete with lever Manual Override
General Application
CNA is the Choke Valve suitable for installation on Christmas Trees, Choke & Kill or Production/Water injection Manifolds
Certifications
- API-6A (Up to PSL-4)
- PED 2014-68-EU
- ATEX 2014-34-EU
- MACHINERY DIRECTIVE 2006/42/EC
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- Trim Design - Equal % Trim Style. The plug has conical shape and the seat has a cylindrical hole. Regulation is obtained with a linear movement of the stem linked to the needle that stops the flow by getting inside the seat.
- Erosion Resistant Trim - Valve Trim can be supplied in Hardened Stainless Steel or Solid Tungsten Carbide to provide the best wearing resistance
- Metal To Metal Sealing - Without soft parts it is improved sealing performance with any process fluid
- Position Indicator - AISI 316 SS Engraved Position Indicator available in Bean Size (1/64") scale
- Locking Device - Stem Locking device provides safe valve positioning and holding the set point
- Proprietary Stem Packing Design - QUAM experience have been put in a special Stem Packing design for Smooth Operation, long life service and low emissions
- Heavy Duty Thrust Bearings - High performance Thrust Bearings allow less load on the handwheel and easy operation
- Exceed PR-2 Requirements - CNA Series Choke valves performance exceed API-6A PR-2 requirements
- Exceptional Flow Control - Valve Trim is designed to perform an accurate Flow Control
- Customized End To End Dimensions - The possibility to customize end to end dimensions allow the users an easy replacement without pipeworks
- Heavy Duty Construction - Valve is specially designed to improve reliability, Italian origin of Forging materials is the guarantee of Valve quality
- Easy & Safe Maintenance - Special considerations in design are made to permit a safe disassembly of the pressure containing components
- No Special Tools - CNA valves disassembly can be executed without any Special Tool, only Standard Wrenches are requested
- 100% ITALIAN MANUFACTURING - QUAM Valves are Engineered and Manufactured entirely in Italy
| Valve Action | Clockwise to Reduce Flow |
| Valve Size Range | API-6A From 1 13/16" through 11" ANSI From 2" through 12" |
| Valve Pressure Ratings | API-6A From 2.000 through 20.000 PSI ANSI From 150 through 2500 lbs |
| Valve Connections | Flanged, Studded, Buttweld, Hub or Customized Connections, Hummer union |
| Operating Media | Oil, Natural Gas, Water and any combination of them |
| Operating Temperature | -60° C to +250° C |
| Shut-off Class | ANSI/FCI Class IV as standard Class V & VI available on request |