Tenders Are Invited For Control Valves – Supply Of Control Valves

Control Valves – Supply Of Control Valves. The Purpose Of The Contract Is The Provision Of 7 Flanged (Asme B16.5) Carbon Steel Control Valves For Use In Natural Gas Pipeline Transportation Systems. The Scope Includes Six (6) Valves Of 12” And One (1) Valve Of 16”, Designed In Accordance With Iec 60534 Or Asme B16.10. All Valves Shall Be Delivered With En 10204 Type 3.1 Material Certificates. Suppliers Shall Also Offer, As An Option, En 10204 Type 3.2 Certification, With The Cost Indicated Separately In The Bid. The Valve Curve Shall Be Of Linear Or Equal% Type (Admissible Valve Types Are Axial Valves, Plug Valves, Globe Valves And Cage Ball Valves. Excluded Valve Types: Butterfly Valves, Choke Flow Valves, Angle Valves). Each Valve Shall Be Equipped With An Electrical Actuator. Preferred Actuator Brands Are Auma Or Schiebel. Valves Shall Be Configured As “Fail As Is” And Comply With Applicable Atex Directives. The Actuator-Valve Assembly Shall Provide Sufficient Resolution To Enable Accurate Flow Control. Actuator Step Size Must Ensure Proportional Correlation Between Valve Position And Flow Rate.