NOTE- IS: · 1m TABLE 10 WELDING NECK FLANGES (Clausts alld IS. 63ft • It71 TABLE 11 PLATE FLANGES FOR WELDING. NOM SIZE, FLANGE, RAISED FACE, DRILLING, NECK. D, b, h1, d4, f, BOLT NO, NO. d2, K, d3, h2, r. , , 26, 70, , 5, M27, S2, 30, , , Phone: + Specification For Flanges. Flanges. As per B.S 10 Flanges. Welding Pressure. 10 Kgs. / cm2 equivalent. ND 10/IS: T/
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API Flange standard conformity: All dimensions in millimctres. Carbon and Carbon Matzganese Steele 1. For alloy steel studs or bolts, nuts of a similar steel, If carbon steel is used, it shall have but of a different qrade shall be used.
The PTFE seat liner covers the entire wetted surface of the body and extends on to the flange contact faces, thus eliminating possibility of any media contact with the body metal. Norm — The two types of Ranges shown arc alternatives at the option The IVR model Butterfly dampers, offered by Intervalve India are essentially seatless Butterfly valves intended for low pressure gas lines and air lines.
This general purpose soft seated Butterfly valve has a fully rubber lined single piece body with centric disc construction and is available in 66392 type body pattern. The disc has a spherical profile and comes out of contact with seat 6329 the initial opening itself. After welding, flanges shall be heat-treated, except that welds required for finish- and appearances only need not be heat treated, if approved by the purchaser. The ISI Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under-a well-defined system of inspection, testing and qualit control which is devised and supervised by ISI and operated Ly the producer.
NOTE 2 – The minimum tensile strength been specified in the relevant specifications. Flanges not integral Machined at Back. For details reference may be made to IS: The valve has a fully rubber lined body and a rubber encapsulated disc with a square slot for the drive end shaft.
Flange Adaptor, Flanges, Flange Type Adapters, Manufacturer, India
The thickness of the portion of the flange which connects it to the pipe should be not less than the pipe thickness nor 632 than 3 mm thicker. Where machining is carried out it may be either by spot facing at the bolt holes or by back facing at the option of the manufacturer.
Yet another real flsnges from the IV stables, IVTL model Butterfly valve incorporates the optimum design features to provide long trouble fpanges service in the field. The top shaft sealing is through stuffing box type id sealing arrangement, which is field adjustable.
A real workhorse from the IV stables, IVGK model Butterfly valve incorporates the optimum design features to provide long trouble free service in the field. API category B Pressure temperature rating: The valve is available with 3 distinctly different seat design versions, viz.
Where there is no application standard the method of attachment shall be the subject of agreement between the purchaser and the manufacturer. He shall be at liberty to reject any material which does not comply with the requirements of this. These shall Abe screwed in 6 shall as agreed be prepared theto between7.
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If repairs by welding arc carried out, the castings shou! Post on Nov 5. Home Documents IS Use this table also for nominal sizes 6 to 65 mm for 1. The type of protector and method of attachment shall be approved by the purchaser. Outside Diameter D Machined Up to nun inclusive Falnges Over mm to mm inclusive mm lo mm inclusive f f 1 mm 1. API category A Valve face to face dimensions: However, a quality factor of 0.
Values other steels will be included when available. When the welding of defects is permitted, the welding rod shall be such as to produce a weld having characteristics similar to the parent metal.
The valve’s unique design totally flabges media contact with any metallic surface of the valve. The mechanical stopper provided on the valve body ensures precise valve closing every time to ensure specified seat tightness.
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66392 fully circular back up elastomer and live loaded disc shoulder sealing ensures bubble tight closing of the Valve with zero shaft leakage. Nominal SizeA continuous produced by a 3 mm radius round-nosed tool approximately 1. Ilangcs the bolt holes shall be drilled off centres. The valve has excellent throttling dlanges with good low flagnes control capability, which offers an inherently higher rangeability.
Alloy steel flanges shall be marked with the symbols designated in Table 1. The ultimate in high performance Butterfly valves, IV’s IVEX-series incorporates the ‘state of the art’ valve technology to out perform the competition.
All dimckonr N–Far in millimetres. Ail dimensions in millimetres. If the difference is more than 3 mm, it may be ncgotiatcd in a slope of 1 in 5. The term integralflange applies to flanges flanes pipes, valves and2. The integrally moulded spherical profile seat with a matching profile on the disc shoulder both closed die moulded ensures perfect sealing with minimum operating torque and prevents any fluid ingress into the shaft bores.
IlSperification for carbon stw!
The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards.