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 / Body Shaped In ``Y`` Oblique Pattern In Iron Astm A536 65-45-12 Ductile Casting / Internal And External Coating With Electrostatic Deposition In Epoxy Blue Color Ral 5005 High Fusion According To Astm-D 1654 Or Iso 9227, With A Minimum Thickness Of 150 To 250 Microns / Pressure Of Working From 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 Pilots Two-Way With Independent Operation 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 Flows / Closing Disc (Obturator) Seal In Natural Rubber / Raised Seat Ring With A Minimum Of 16Mm To Eliminate Cavitation Damage Made Of Aisi 304 Stainless Steel Replaceable Threaded / Flanged Ends According To Standard Nbr 7675 Pn 16 / Pressure Reduction Ratio Of Up To 6:1 Bar / Distance Between Flanges Standardized In Accordance With Standard En 558 / Pilots Operating Records Ball Type With Body In Stainless Steel, Bronze Or Brass / High Precision Angular Needle Record With Body In Stainless Steel Or Brass And Seat And Needle In Aisi 304 Stainless Steel / Pressure Reducing Pilots In Stainless Steel, Bronze Or Brass / Control Circuit Piping 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 Pressure Regulation In The Field / - The Valve Must Be Supplied With Factory Adjustment To Reduce Pressure From 120 To 20 Mca (From Upstream To Downstream Respectively) - Samae Must Be Communicated At Least Ten Days In Advance Of The Occasion Of The Hydrostatic Tests... (As Per Notice), Double Eccentric Butterfly Valve With Pneumatic Actuator Dn 150. Double-Eccentric Wafer Type Butterfly Valve, Construction 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) / Replaceable Seat In Buna-N With Steel Core Fitted To The Valve Body And Fixed Through Retaining Ring / External Gasket To The Valve Body (For Easy Location) Inverted Type Allowing Adjustment Of The Gaskets Without Removing The Valve Drive / Internal Lining And External Epoxy Type With Minimum Thickness 150 Micas In Blue Ral 5005 / Project Design Providing Contact Between The Sealing Ring And The Seat Only At The Time Of Closing, To Eliminate Friction Between The Sealing And The Seat And Reduce D

5,10,260 - BRL

FileName	File Description
Global Tender Document	Tender Notice