LT Cast Steel Valves Dealers in Kolkata

We are offering butterfly valves. butterfly valves in wafer, lug and flanged type from 25mm to 2000mm in various materials and linings and specifications.

• Media: Fuel, Gas, Air, Water
• Brand Name: Flowtech
• Size: 15-800 mm
• Material: Mild Steel
• Valve Size: 15-600 mm
• Automation Grade: Manual
• Operation Type: By Motor, By Lever, By Gear, By Actuator
• Surface Treatment: Polished
• Shape: Round

We are specializing in the manufacture of butterfly valves ( slim seal wafer flange lug type) that are light in weight and are highly preferable due to simple installation, easy maintenance and trouble free replacement of parts. Further, there is minimal frictional loss and low pressure drop. These valves are subjected to very strict hydrostatic pressure testing of body and seat sealing areas.

• Design: IS/BS/AWWA
• Class: Cast Iron materials - PN- 1 & 1.6
• Size: Cast Iron materials- 50 mm to 1600 mm

We are specializing in the manufacture of butterfly valves ( Slim Seal / Wafer / Flange / Lug Type) that are light in weight and are highly preferable due to simple installation, easy maintenance and trouble free replacement of parts. Further, there is minimal frictional loss and low pressure drop. These valves are subjected to very strict hydrostatic pressure testing of body and seat sealing areas.

We are offering Butterfly Valves.

Flanged, Double Eccentric, High, Wafer (Lug), Butt-Welded, Flexible, Multi-layer, Ventilation, Fully Body Lining and Hydraulic Counterweight.

We are leading supplier of huge range of Butterfly Valves.

A BUTTERFLY VALVE consists of a disc rotating in trunnion bearing. In the Open position the disc is edge-on, offering minimum resistance to flow. In the closed position it is rotated against a seat.Butterfly valves are available in sizes from 25 mm to 6 (1 in to 25ft) diameter. They are particularly attractive because they take up little more room than the pipe flanges. In case some butterfly valves are designed specifically for insertion between pipe flanges, using through bolts. These are know as wafer butterfly valves. Other types are normally single-flanged or double-flanged . known also as lug-body valves.Butterfly valve movement is simple and straightforward, requiring only 90o rotation of the butterfly for full movement (or somewhat less in most designs). The main disadvantage is that a simple butterfly design is difficult to render completely ‘tight’ when closed, due to the absence of any wedging effect in this plane. This can be alleviated to a certain extent extent by seating the butterfly on a resilient ring on closure and/or offsetting the axis of rotation slightly so that, as well as rotating, the blade has a movement in a plane at right angles to the spindle axis.One lesser drawback of the butterfly is that in the fully open position the butterfly, (now edge-on), offers some resistance to flow and could collect fibrous or stringy materials when used with a contaminated fluid. It is thus more suited for use with clean fluids, where its basic advantages and low actuating power requirements can make it an attractive choice in all sizes.Body construction is normally cast iron, although various other materials may be used depending on size and application. Welded materials (eg. steel, stainless steel and titanium) may be used for certain valves for the chemical industry, and in particularly where percolation of gases through cast components is to be prevented.

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