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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C 70 80 80 80No. For alloy steel studs or tlanges, nuts of a similar steel, If carbon steel is used, it shall have but of a different qrade shall be used. The thickness of the portion of the flange which connects it to the pipe should be not less than the pipe thickness nor more than 3 mm thicker.

Slipon Flanges Hub Without Hub Type) IS:6392,ANSI B16.5,BS10

He shall be at liberty to reject any material which does not comply with the requirements of f,anges. Nominal SizeA continuous produced by a 3 mm radius round-nosed tool approximately 1. 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. Alloy steel flanges shall be marked with the symbols designated in Table 1.

The top shaft sealing is through stuffing box type gland sealing arrangement, which is field adjustable. Values other steels will be included when available.

The valve has excellent throttling characteristics with good low flow control capability, which offers an inherently higher rangeability. All dimensions in millimetres.

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Where there is no application standard the method of attachment shall be the subject of agreement between the purchaser and the manufacturer. All dimckonr N–Far in millimetres. 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 flages, testing and qualit control which is devised and supervised by ISI and operated Ly the producer.


Carbon and Carbon Matzganese Steele 1. The lugged version with threaded holes can be used as end of line valves or terminal end valves. 3692

The mechanical stopper provided on the valve body ensures precise valve closing every time to ensure specified seat tightness. 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. The term integralflange applies to flanges integralwith pipes, valves and2.

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. API Flange standard conformity: The valve is available with 3 distinctly different seat design versions, viz. The fully circular back up elastomer and live loaded disc shoulder sealing ensures bubble tight closing of the Valve with zero shaft leakage.

Home Documents IS The valve has a fully rubber lined body and a rubber encapsulated disc with a square slot for the drive end shaft. The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards. Developed By Trillion IT.

Ail dimensions in millimetres. 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. The ultimate in high performance Butterfly valves, IV’s IVEX-series incorporates the ‘state of the art’ valve technology to out perform the competition.

Post on Nov 5. Its split body makes it easy for seal replacement during maintainance.

The valve’s unique design totally eliminates media contact with any metallic surface of the valve. Where machining is carried out it may be either by spot facing at the bolt holes ix by back facing at the option of the manufacturer. Use this table also for nominal flahges 6 to 65 mm for 1. API category B Pressure temperature rating: If the difference is more than 3 mm, it may be ncgotiatcd in a slope of 1 in 5. Intervalve’s GKL series valves are designed to meet the demanding requirements of the general utility valve market with the HVAC segment in particular.


Flanges not integral Machined at Back. Even though the body is designed for a maximum pressure of 2. This general purpose soft seated Butterfly valve has a fully rubber lined single piece body with centric disc construction and is available in wafer type body pattern. However, a quality factor of 0. The IVR model Butterfly dampers, offered by Intervalve India are essentially seatless Butterfly valves intended for low pressure gas lines and air lines.

All dimensions in millimctres. Norm — The two types of Ranges shown arc alternatives at the option An adjustable gland box type shaft sealing arrangement permits on flange adjustment of the packing to ensure zero leakage. The valve is available in ‘wafer’ as well as ‘wafer lugged’ version with a host of seat and encapsulation material to cater to majority of the chemical process industry requirement. For details reference may id made to IS: The double offset disc design nearly eliminates the seating wear due to the camming action of the disc during closing.

Outside Diameter D Machined Up to nun inclusive Over Over mm to mm inclusive mm lo mm inclusive dlanges f 1 mm 1. IlSperification for carbon stw! These shall Abe screwed in flagnes shall as agreed be prepared theto between7.

NOTE 2 – The minimum tensile strength been specified in the relevant specifications. This general purpose soft seated Butterfly valve has a fully rubber lined single piece body with a centric disc construction and is available in wafer lugged style body pattern iw ensure precise location in pipeline.

Soft seated, Fire safe and Metal to Metal seated with wafer or wafer lugged body option. The lightweight construction with the narrow wafer body enables easy fitment of these valves in ducts, manifolds and exhaust lines without additional support or strengthening of pipe lines. If repairs by welding arc carried ls, the castings shou!

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