Bids Are Invited For Acquisition Of Reducing And Check Valves

Cast Iron Port Check Valve Dn 250. Double Port Check Valve, Wafer Type, Cast Iron Nbr 69146, Pn 16, Stainless Steel Shaft And Spring, Epmd Rubber Seat Seal, Internal And External Epoxy Coating Ral Blue Powder With Minimum Thickness Of 150 Microns, Nominal Diameter Dn 250., Pressure Reducing And Sustaining Valve Dn 150 Self Operated Pressure Reducing And Sustaining Valve Dn 150 / Y-Shaped Body Oblique Pattern In Ductile Cast Iron Astm A536 65-45-12 / Internal And External Coating With Electrostatic Deposition In Blue Color Ral 5005 High-Fusion Epoxy In Accordance With The Astm-D 1654 Or Iso 9227 Standard, With A Minimum Thickness Of 150 To 250 Microns / Working Pressure Of 0. 7 To 25 Kgf/Cm (Pn 25) / Double Chamber Actuator / With Natural Rubber Diaphragm Reinforced With Nylon Mesh / With Upper And Lower Support Discs Made Of Steel To The Diaphragm / Adjustable Control By Two Two-Way Pilots With Operation Independent In Series / Spring In Stainless Steel Aisi 302 / Central Shaft In Stainless Steel Aisi 303 And Shaft Bushing In Bronze C83600 / Closing Disc (Obturator) In Stainless Steel Aisi 410 / V-Port Disc In Stainless Steel Aisi 304 For Smooth Operation At Low Flow Rates / Closing Disc (Obturator) Seal In Natural Rubber / Raised Seat Ring With A Minimum Of 16Mm To Eliminate Damage Due To Cavitation Made Of Aisi 304 Stainless Steel Replaceable Threaded / Flanged Ends According To Norm Nbr 7675 Pn 16 / Ratio Pressure Reduction Of Up To 6:1 Bar / Distance Between Flanges Standardized In Accordance With Standard En 558 / Pilots Operating Registers Ball Type With Body In Stainless Steel, Bronze Or Brass / High Precision Angular Needle Register With Body In Stainless Steel Or Brass And Seat And Aisi 304 Stainless Steel Needle / Pressure Reducing Pilots In Stainless Steel, Bronze Or Brass / Control Circuit Tubing Reinforced Nylon / Provided With Upstream Analog Pressure Gauges With A Scale Of Up To 20 Bar And Downstream With A Scale Of Up To 10 Bar For Regulation Of Field Pressure / - The Valve Must Be Supplied With Factory Adjustment To Reduce Pressure From 120 To 20 Mca (From Upstream To Downstream Respectively) - Samae Must Be Notified At Least Ten Days In Advance Of The Hydrostatic Tests, Tests Hydrodynamics And Operation Adjustments Made In..., Double Eccentric Butterfly Valve With Pneumatic Actuator Dn 150. Double-Eccentric Butterfly Valve Wafer Type, Constructive Standard Abnt 15768 Face-To-Face (That 5752 Series 20), For Installation Between Flanges ( Abnt Nbr 7675), Pn 10, Dn 150 / Bi-Directional / Body In Nodular Cast Iron Astm A536 Gr.65-45-12 With Disc Stop Incorporated In The Valve Body / Double-Eccentric Disc In Nodular Cast Iron Astm A536 Gr .65-45-12 With 304 Stainless Steel Gasket / Astm A276 Type 410 Stainless Steel Rod, With Sealing System Through Bronze Bearings With Bearing X Rod And Bearing X Body Seals / Bronze Bushings (Standard Tm23) / Seat Replaceable In Buna-N With Steel Core Fitted To The Valve Body And Secured Through Retaining Ring / External Gasket To The Valve Body (For Easy Location) Inverted Type Allowing Adjustment Of The Gaskets Without Removing The Valve Drive / Casing Internal And External Epoxy Type With A Minimum Thickness Of 150 Micas In Blue Color Ral 5005 / Project Conception Providing For Contact Between The Sealing Ring And The Seat Only At The Time Of Closing, To Eliminate Friction

5,10,260 - BRL

FileName	File Description
Global Tender Document	Tender Notice