CONTROL VALVE HANDBOOK Episode 1 Part 4 potx

... 3-26. ENVIRO-SEAL Graphite ULF Packing System 39B4 612 -A Chapter 3. Valve and Actuator Types 47 Figure 3 -11 . Eccentric-Disk Rotary-Shaft Control Valve W8380 D They use standard pneumatic diaphragm ... de- sign handle temperatures to 800_F (42 7_C) and shutoff pressure drops to 15 00 psi (10 3 bar). Figure 3 -12 . Sectional of Eccentric- Plug Control Valve Body W 41 7 0/IL D P...

Ngày tải lên: 07/08/2014, 12:22

... Chapter 1. Introduction to Control Valves 14 W6 213 /IL ECCENTRIC DISK VALVE Figure 1- 14. Typical Rotary-Shaft Control Valve Constructions W 547 7/IL W4920/IL W46 41 CONVENTIONAL DISK BUTTERFLY VALVE SEGMENTED ... conditions, ap- Chapter 1. Introduction to Control Valves 22 Chapter 1. Introduction to Control Valves 11 Figure 1- 9. Reverse Double-Ported Globe-Style...

Ngày tải lên: 07/08/2014, 12:22

... Percentage Linear Equal Percentage 3/8 1/ 2 3 /4 1 5 /16 1 5 /16 3 /4 3 /4 3 /4 3 /4 3 /4 3.07 4. 91 8. 84 20.6 17 .2 0.89 0.93 0.97 0. 84 0.88 0.66 0.80 0.92 0. 64 0.67 0.72 0.67 0.62 0. 34 0.38 1 1/2 Micro−Formt Cage Guided Equal ... Percentage 3/8 1/ 2 3 /4 1 7/8 1 7/8 3 /4 3 /4 3 /4 3 /4 3 /4 3.20 5 .18 10 .2 39.2 35.8 0. 84 0. 91 0.92 0.82 0. 84 0.65 0...

Ngày tải lên: 07/08/2014, 12:22

... T D , LBFSIN. Composition Bearings 60 Degrees 70 Degrees 2 3 4 6 8 1/ 2 3 /4 3 /4 1 1 -1/ 4 0 .15 0 .10 0 .10 1. 80 1. 80 80 280 380 500 750 0 .11 0 .15 1. 10 1. 10 3.80 0.60 3.80 18 .0 36.0 60.0 515 212 0 212 0 41 4 0 9820 10 12 14 16 18 20 1- 1 /4 1- 1/2 1- 3 /4 2 2 -1/ 8 2 -1/ 2 1. 80 4. 00 42 60 60 97 12 50 3000 240 0 2800 2800 5200 3.80 11 .0 75...

Ngày tải lên: 07/08/2014, 12:22

... METRIC Code Size Code Size A 8.5 X 11 A4 210 X 297 B 11 X 17 A3 297 X 42 0 C 17 X 22 A2 42 0 X 5 94 D 22 X 34 A1 5 94 X 8 41 E 34 X 44 A0 8 41 X 11 89 4. 6 Title Blocks The part of a drawing that has the ... Fig. 4- 4. Some companies use 3-D views as their primary 4- 20 Chapter Four Figure 4 -13 Full section Figure 4 - 14 Half section Drawing Interpretation 4- 21 Fig...

Ngày tải lên: 21/07/2014, 15:20

... ensure that the control valve is not the weak- est link. Following are definitions for process control, sliding-stem control valve, rotary-shaft control valve, and other control valve functions ... Loop.) Control Range: The range of valve travel over which a control valve can maintain the installed valve gain be- tween the normalized values of 0.5 and 2.0. Control...

Ngày tải lên: 07/08/2014, 12:22

... 10 0.23 0 .46 Valve B VALVE ACTION / OPENING 2 5. 61 7. 74 VALVE ACTION / CLOSING −2 0 .46 1. 67 VALVE ACTION / OPENING 5 1. 14 2. 31 VALVE ACTION / CLOSING −5 1. 04 2 VALVE ACTION / OPENING 10 0 .42 ... 0 .42 1. 14 VALVE ACTION / CLOSING 10 0. 41 1 . 14 Valve C VALVE ACTION / OPENING 2 4. 4 5 .49 VALVE ACTION / CLOSING −2 NR NR VALVE ACTION / OPENING 5 5.58...

Ngày tải lên: 07/08/2014, 12:22

... 22 44 67 11 1 565 1 (1) 21 42 64 10 7 593 1 (1) 18 36 53 89 6 21 1 (1) 14 28 41 69 649 1 (1) 11 21 32 53 676 1 (1) 8 16 23 39 7 04 1 (1) 6 12 18 30 732 1 (1) 4 9 13 21 760 1 (1) 3 7 10 17 788 1 (1) 2 ... 259 93 18 52 10 3 15 5 259 14 9 16 50 10 0 15 1 2 51 2 04 14 49 97 14 6 243 260 12 46 92 13 8 229 316 10 42 83 12 5 209 3...

Ngày tải lên: 07/08/2014, 12:22

... 2 54 286 10 .00 11 .25 292 375 11 .50 14 .75 318 40 0 12 .50 15 .75 65 2 1/ 2 292 311 11 .50 12 .25 292 375 11 .50 14 .75 318 40 0 12 .50 15 .75 80 3 318 337 12 .50 13 .25 318 46 0 12 .50 18 .12 3 81 49 8 15 .00 19 .62 10 0 ... 12 .12 12 .50 40 1 1/ 2 311 333 12 .25 13 .12 311 333 12 .25 13 .12 359 3 81 14 .12 15 .00 50 2 340 375 13 .38 14 .75 340 375 13...

Ngày tải lên: 07/08/2014, 12:22

... 842 T2 300 572 T2A 280 536 T2B 260 500 T2C 230 44 6 T2D 215 41 9 T3 200 392 T3A 18 0 356 T3B 16 5 329 T3C 16 0 320 T4 13 5 275 T4A 12 0 248 T5 10 0 212 T6 85 18 5 The NEC states that any equipment that does ... rangeability (based on ISA S75 .11 ) 605 34- 4, Part 4: Inspection and routine testing 605 34- 5, Part 5: Marking 605 34- 6 -1, Part 6: Mounting details for attachme...

Ngày tải lên: 07/08/2014, 12:22