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CUERPOS Tapón excéntrico. CUERPOS Tapón excéntrico.

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Presentation on theme: "CUERPOS Tapón excéntrico. CUERPOS Tapón excéntrico."— Presentation transcript:

1 CUERPOS Tapón excéntrico

2 CUERPOS Tapón excéntrico

3 CUERPOS Tapón excéntrico

4 CUERPOS Tapón excéntrico VENTAJAS  Buen cierre  Alta capacidad de flujo (C v )  Amplia rangeabilidad (160:1)  Opera bien en productos con contenido de fibras o muy viscosos  Excelente para vapor saturado  Disponible en puertos reducidos DESVENTAJAS  Chocan con caídas de presión menores que las válvulas de globo  No es posible obtener sello Clase V

5 CUERPOS Eccentric Plug Advantages High C v s and good rangeability Good for high drops (1440 psi) Excellent for saturated steam Reduced trims available (70% and 40%)

6 CUERPOS Eccentric Plug Disadvantages Class V shutoff unavailable Limited body materials (CS and 316 SS) Chokes at lower pressure drops than globe valves

7 CUERPOS How good is your style selection expertise?

8 CUERPOS Example o F P 1 = 480 psia P 2 = 450 psia Air-to-open, fail-closed 10-inch sch. 40 pipe Flow = 9100 gpm Throttling Max.  P = 50 psi Which valve style would you select?

9 CUERPOS Valdisk Valve (High-performance Butterfly)

10 CUERPOS Example o F P 1 = 800 psia P 2 = 350 psia Air-to-open, fail-open 2-inch sch. 40 pipe Flow = 250 gpm Throttling Max.  P = 785 psi Which valve style would you select?

11 CUERPOS Mark One Valve (High-performance Globe)

12 CUERPOS Example % brown 200 o F P 1 = 60 psia P 2 = 48 psia Air-to-open, fail-closed 8-inch sch. 40 pipe Flow = 5000 gpm Throttling, 316 SS body Max.  P = 45 psi Line size valve Which valve style would you select?

13 CUERPOS ShearStream Valve (Segmented Ball)

14 CUERPOS Example o F P 1 = 760 psia P 2 = 245 psia Air-to-close, fail-open 6-inch sch. 40 pipe Flow = 100,000 lb/hr Throttling, 316 SS body Max.  P = 745 psi SPL = 106 dBA w/o insulation Which valve style would you select?

15 CUERPOS MegaStream Valve (One-stage with insulation factor)

16 CUERPOS Example 5 Natural 200 o F P 1 = 80 psia P 2 = 75 psia Air-to-open, fail-closed 8-inch sch. 40 pipe Flow = 1,100,000 scfh Throttling, carbon steel body Max.  P = 80 psi Min. valve size is 1 size < line size Which valve style would you select?

17 CUERPOS Valdisk 150 Valve (High-performance Butterfly)

18 CUERPOS Example o F P 1 = 450 psia P 2 = 90 psia Air-to-open, fail-closed 4-inch sch. 40 pipe Flow = 600 gpm Throttling, carbon steel body Max.  P = 80 psi Sigma required = 1.15 to 1.25 Which valve style would you select?

19 CUERPOS ChannelStream Valve (Two-stage Trim)

20 CUERPOS Example 7 Saturated 450 o F P 1 = 225 psia P 2 = 200 psia Air-to-open, fail-closed 8-inch sch. 40 pipe Flow = 50,000 lb/hr Throttling, 316 SS body Max.  P = 210 psi Line size valve Which valve style would you select?

21 CUERPOS MaxFlo Valve (Eccentric Plug)

22 CUERPOS Example 8 Saturated 450 o F P 1 = 225 psia P 2 = 200 psia Air-to-open, fail-closed 8-inch sch. 40 pipe Flow = 50,000 lb/hr Throttling, 316 SS body Max.  P = 210 psi C v required is very small Which valve style would you select?

23 CUERPOS Mark One-X Expanded Outlet Valve (6x4-inch or 8x4-inch)

24 CUERPOS Don’t Forget MaxFlo, Valdisk 150, and Mark One-X valves can be applied to many valve applications

25 CUERPOS So, “Which control valve style is best?” The choice is yours!


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