Bids Are Invited For Vv,Ga: Mss-Sp-81,Ci,16Ksc,200Mm,Kgv Valve,Gate Design Spec :Mss-Sp-81 End Connection :Flanged As Per Ansi B 16.5 Cl150# Material,Body :Cast Iron Material Spec,Body :Astm A126 Cl.C (180-230 Bhn) Material,Trim :Gate:Astm A240 Tp30, Singrauli-Madhya Pradesh

Bids Are invited for VV,GA: MSS-SP-81,CI,16KSC,200MM,KGV VALVE,GATE DESIGN SPEC :MSS-SP-81 END CONNECTION :FLANGED AS PER ANSI B 16.5 CL150# MATERIAL,BODY :CAST IRON MATERIAL SPEC,BODY :ASTM A126 CL.C (180-230 BHN) MATERIAL,TRIM :GATE:ASTM A240 TP304(MIN 550 BHN) DEF. CONE:CAST NI HARD(400-600BHN) MATERIAL,SEAT :ASTM A240 TYPE 304, 550 BHN MOUNTING :PNEUMATIC CYLINDER (DOUBLE ACTING) PRESSURE DESIGNATION :16 KSC AT TEMP-120 DEG C NOMINAL SIZE :200 MM ADDITIONAL INFORMATION :UNI-DIRECTIONAL KNIFE EDGE GATE VALVE WITH PNEUMATIC ACTUATOR - M1897001056 Specification VALVE,GATE : MSS-SP-81 END CONNECTION : FLANGED ANSI B16.5 CL150 MATERIAL,BODY : GREY CAST IRON MATERIAL SPEC,BODY : IS 210 GRADE FG260 (180-200BHN) PRESSURE DESIGNATION : PN 10 NOMINAL SIZE : 200 MM ADDITIONAL INFORMATION : UNI-DIRECTIONAL KNIFE EDGE GATE V/V MANUAL CHAIN WHEEL OPERATED SLIDE GATE: 10 MM THICK MS WITH 10-15 MICRONS OF HARD CHROME PLATING ON BOTH SIDE (300-350 BHN) VALVE STEM: MS IS 2062 GR-B YOKE: MS IS 2062 GR-B GLAND FOLLOWER: IS 210 GRADE FG260 (180-200BHN) ACCESSORIES : COMPANION FLANGES (MILD STEEL) GASKET(ARAMIDE)FASTENERS (HTS GR.10.9), WITH MANUAL OPERATED CHAIN WHEEL WITH CHAIN DROP LENGTH OF 2.5 MTR - M1897005060 Specification VALVE,GATE DESIGN SPEC : MSS-SP-81 END CONNECTION : FLANGED ANSI B16.5 CL150 MATERIAL,BODY : CAST IRON MATERIAL SPEC,BODY : IS 210 GRADE FG260 PRESSURE DESIGNATION : CLASS 125 NOMINAL SIZE : 250 MM ADDITIONAL INFORMATION : UNI-DIRECTIONAL KNIFE EDGE GATE V/V PNEUMATICALLY OPERATED GATE : SS 304 HARDENED TO 300-350 BHN, THICKNESS 10MM YOKE : MS AS PER IS 2062 WITH DOUBLE ACTING PNEUMATIC CYLINDER AND ACCESSORIES WITH COMPANION FLANGES AND FASTENERS - M1897731146 Specification 0001 0002 0003 0004 DESIGN SPEC Schedule No. NTPC Limited ( A Government of India Enterprise ) VALVE,GATE DESIGN SPEC : MSS-SP-81 END CONNECTION : FLANGED ANSI B16.5 CL150 METRIC THD MATERIAL,BODY : CAST IRON MATERIAL SPEC,BODY : IS 210 GRADE FG260 (180-230 BHN) BORE : 245MM MOUNTING : UNI-DIRECTIONAL PRESSURE DESIGNATION : DESIGN:5 BAR NOMINAL SIZE : 250 NB ADDITIONAL INFORMATION : UNI-DIRECTIONAL KNIFE EDGE GATE VALVE MANUAL CHAIN WHEEL OPERATED GATE: MS, 10MM THK, HARD CHROME PLATED 10-15 MICRONS ON BOTH SIDES OF GATE, HARDNESS: 300-350 BHN STEM: SS304 CHAIN WHEEL: CAST IRON IS 210 GR FG 260 (CHAIN DROP LENGTH 2 MTRS FROM VALVE CENTER) CHAIN: MILD STEEL (ZINC PLATED) MAXIMUM WORKING TEMPERATURE 150 DEG C - M1897731073 Specification VALVE,GATE DESIGN SPEC : MSS-SP-81 END CONNECTION : FLANGED MATERIAL,BODY : CAST IRON MATERIAL SPEC,BODY : IS 210 FG260 (180-200BHN) BORE : 300MM (NOMINAL) PRESSURE DESIGNATION : CLASS 125 NOMINAL SIZE : 300 MM ADDITIONAL INFORMATION : UNI-DIRECTIONAL KNIFE EDGE GATE V/V PNEUMATICALLY OPERATED SLIDE GATE: 10MM THK MS WITH 10-15 MICRONS OF HARD CHROME PLATING ON BOTH SIDE, HARDNESS 300-350 BHN YOKE: MS SEAT: ALLOY CI HARDNESS 250 BHN (MIN) WITH PENUMATIC CYLINDER AND ACCESSORIES - M1897003064 Specification VALVE,GATE DESIGN SPEC : MSS-SP-81 END CONNECTION : FLANGED MATERIAL,BODY : GREY CAST IRON MATERIAL SPEC,BODY : IS 210 GR FG260 (180-200 BHN) MATERIAL,SEAT : REPLACEABLE ACI BORE : 300 MM PRESSURE DESIGNATION : PN 10 NOMINAL SIZE : 300 MM ADDITIONAL INFORMATION : UNI-DIRECTIONAL KNIFE EDGE GATE VALVE MANUAL CHAIN WHEEL OPERATED GATE:10 MM THK MS WITH 10-15 MICRONS OF HARD CHROME PLATED ON BOTH SIDES OF THE PLATE 300-350 BHN VALVE STEM: MS YOKE: MS CHAIN WHEEL: CI, IS 210 FG260 DRILLING DETAILS: 4 X 7/8 INCH BSW X 1 INCH DEEP DRILLED AND TAPPED HOLES EQUALLY SPACED ON PCD 432 MM Total Quantity : 114

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