QUAM CNA Series

CNA Series - Needle & Seat Choke Valve

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
QUAM serie: CNA Category: Choke Valve Tags: Manual, Needle & Seat.

Download the tech bulletin
  • 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

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