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Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

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Nominal DiameterDN (mm)Table No. 4.7(Refer Table No. 2 IS 9523-2000)Hydrostatic Test Pressureat works, MPaUp to <strong>and</strong> including 300 2.5Over 300 <strong>and</strong> up to <strong>and</strong> including 600 1.6Over 600 <strong>and</strong> up to <strong>and</strong> including 2000 1.04.7 Tolerances:4.7.1 The tolerance on dimensions of barrel <strong>and</strong> socket for push-on-joint fittings shallbe as given in Table 4.8Table No.4.8(Refer Table No. 3 IS 9523-2000)Nominal Diameter External Diameter DE Wall Thickness mmDN Nominal Tolerance K12 K14Tolerance(1) (2) (3) (4) (5) (6)80 98 +1/-2.7 7.0 8.1 -2.38100 118 +1/-2.8 7.2 8.4 -2.40125 144 +1/-2.8 7.5 8.7 -2.42150 170 +1/-2.9 7.8 9.1 -2.45200 222 +1/-3.0 8.4 9.5 -2.50250 274 +1/-3.1 9.0 10.5 -2.55300 326 +1/-3.3 9.6 11.2 -2.60350 378 +1/-3.4 10.2 11.9 -2.65400 429 +1/-3.5 10.8 12.6 -2.70450 480 +1/-3.6 11.4 13.3 -2.75500 532 +1/-3.8 12.0 14.0 -2.80600 635 +1/-4.0 13.2 15.4 -2.90700 738 +1/-4.3 14.4 16.8 -3.00750 790 +1/-4.4 15.0 17.5 -3.05800 842 +1/-4.5 15.6 18.2 -3.10900 945 +1/-4.8 16.8 19.6 -3.201000 1048 +1/-5.0 18.0 21.0 -3.304.7.2 Tolerances for the various dimensions of flanges shall be as given in tables 4.9<strong>and</strong> 4.104.7.2.1 Dimensions of st<strong>and</strong>ard Flange Drilling for Flange Fittings PN 10Urban Administration & Development Department Page 48

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