Filter Press - Dryer and Related Equipment
Brand : eleph
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Product Information :

Product Name:  
Valve
Product Category:   เครื่องจักร, อุปกรณ์เกี่ยวกับเครื่องจักร, เครื่องมือกล
Product Sub-Category:   VALVES
Brand:   eleph 
Product Type :   สินค้า, ผลิตภัณฑ์ 
     
 
Globe Valves The Globe Valves, unlike Gate valves, allow the fluid to be regulated or controlled at the same time that they isolate the line. The desired degree of control or regulation, defines the type of valve and if it should be designed with or without cage guiding. Where the flow conditions and regulation requirements are not very severe, Globe valves are supplied without cage guiding with flat or conical disc. It is important that the disc guiding be in the body or in the seat, in order to obtain trouble free operation without valve siezing and also good seat tightness. For applications that require regulation under severe conditions and where cavitations, flashing, etc., may occur, we can design different types of discs, cages, seats, etc., to guarantee that the valve will function trouble free and as required by the design conditions. W.W.P. manufacture four main types of Globe valves: Straight pattern (regular tee globe valve) which is the most commonly used. It is also the one with the largest permissible pressure drop. ?(-pattern (WYE Globe Valve) which has a smaller permissible pressure drop than the straight pattern; straight angle; and <? level is required, W.W.P. manufactures <Check valves W.W.P. manufacturing program for Check valves includes the following types: Swing Check The Swing Check valve designed by W.W. P. has the disc fastened to the body or to the bonnet. This is done without the need to drill the body which guarantees better seat tightness. The swing check design is used for low pressure drops. W.W.P. swing checks are provided with a mechanical device that prevents the disc rotation which is normally induced by the flow. Where necessary, our valves can be supplied with limit switches, dampers, pneumatic or hydraulic actuator, etc. Piston Check, Available with any of the previously described features, in straight body design, inclined Y-type, angle, and Y>? angle, with or without disc spring. Tilting Disc. These valves are specifically designed for systems with high flow velocity, large diameters or high pressures. Our especially designed shape of the disc and seat guarantee that the disc will be in contact with the seat before the reverse flow velocity has reached its maximum value. Also, thanks to W.W.P.?s conical shape fo both sealing parts, the disc impacts are better absorbed than with straight type discs as frequently occurs with other designs of check valves. Emergency Assisted Check Valves. These are typically installed in Thermal Power Plant Condensate extraction lines, between the preheaters and the turbiness. Due to the greater seat angle and since our valves are provided with counterweights, it enables us to guarantee smaller pressure drop and proper sealing without shocks. Fail safe sealing of these valves is guaranteed by the pneumatic or hydraulic actuators with which they are provided. Duo Check valves with double discs and spring. They can be supplied with metal to metal seats or soft seats using elastometers as the seating surface. Butterfly Check Valves to be used in applications where the valves are required to operate similar to a butterfly valve or as a check valve, we can offer our Butterfly-Check type valve in sizes up to 120 inches. We can also supply Duo-check valves, spring loaded, with either metal to metal or with inserted soft seats.
 

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