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Package for Pulp & Paper Industry
• V - Notch Ball Valve.
• High Resolution Electrical Actuator.
• Interfacing Electronic Accessories.
• Electronic Control Panel.
V-notch Ball Valve
• V - notch contour offers an equal percentage characteristics for precise control.
• Valve range from 25 to 3OOmm.
• Ideally suitable for throttling of fibrous pulp.
High Resolution Electrical Actuator
• Actuator movement 280sec./90º or 306sec./900º.
• Standard pulse width 0.1 sec.
• 27400 or 30600 steps/90º - valve movement.
• Can be directly hooked to DCS or QCS systems.
Interfacing Electronic Accessories
• Valve positioner to accept 4-20 mA or 0-10 V DC signal from controller.
• Feedback potentiometer to give ohms output.
• Electronic position transmitter to give an output signal of 4-20 mA.
Electronic Control Panel
• Digital Valve position indicator.
• Open / Close push buttons for manual operation
• Auto/ Manual Selector switch. |
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| Typical Valve Specifications / Features |
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| Valve Type |
V-Notch / Segment Ball Valve |
| Sizes |
DN-25 40 50 75 100 150 200 250 & 300 |
| End Connections |
Flangeless / Flanged - Optional |
| Leakage Class |
Metal to Metal Seated - ANSI Class IV, Soft Seated - Teflon - ANSI Class VI |
| Body Ratings |
ANSI 150 and ANSI 300 |
| Characteristics |
Equal Percentage - Aprox |
| Body |
316 SS/ Carbon Steel / Titanium |
| Ball / Segment |
317 SS / Hard crome plated Steel |
| Seat |
316 SS / Teflon |
| Packing |
Teflon - V- rings / PTFE |
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| Electric Actuator Specifications |
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| Description |
Specification |
| Models |
ST - 5102 - S |
ST - 5103 - S |
| To suit Valves - Size DN |
25,40,50,75 &100 |
150,200,250,&300 |
| Operation time - Sec/900 |
280 |
306 |
| Torque developed - Nm |
150 |
375 |
| Degree of protection |
IP - 55 |
| Switching frequency-Operations/hour |
7000 |
| Standard pulse width |
0.01 sec |
| Resolution Steps/900 |
27400 |
30600 |
| Input Signal |
230/110 V AC Phase from DCS/QCS
OR 4-20 mA/ 0-10 VDC Control Signal from Controller |
| Motor Type |
Non blocking - Stall Duty A.C. Motor |
| Supply Voltage |
220/110 V AC 50/60 Hz 1 Phase |
| Motor rating - watts |
4.7 |
23.6 |
| Class of insulation |
F |
F |
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Accessories
Standard
• Travel limit switches: 2 Nos(1 NO + 1 NC)
• Hand wheel for manual operation.
• Local position indicator.
Optional
• Additional limit switches 2 Nos (1 NO + 1 NC)
• Feedback potentiometer
• Two /Four wire transmitter
• Remote position indicator - digital
• Control panel
• Positioner to accept 4-20 mA / 0-10 VDC |
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Valve
Size DN |
Cv at Degrees Open |
| 10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
| 25 |
0.1 |
0.72 |
1.8 |
3.5 |
5.7 |
8.6 |
12.4 |
17.6 |
25 |
| 40 |
0.21 |
1.4 |
3.7 |
7.4 |
12.3 |
18.9 |
28 |
40 |
57 |
| 50 |
0.5 |
3.2 |
7.2 |
13.2 |
21 |
32 |
47 |
70 |
110 |
| 75 |
7 |
19 |
34 |
56 |
85 |
124 |
185 |
239 |
280 |
| 100 |
13 |
33 |
59 |
94 |
140 |
195 |
271 |
361 |
462 |
| 150 |
19 |
54 |
110 |
176 |
260 |
371 |
519 |
716 |
945 |
| 200 |
45 |
104 |
185 |
291 |
425 |
589 |
825 |
1172 |
1675 |
| 250 |
92 |
220 |
354 |
572 |
835 |
1150 |
1620 |
2250 |
3180 |
| 300 |
120 |
287 |
461 |
746 |
1090 |
1500 |
2120 |
2940 |
4150 |
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Valve Type : Shear Stream
Body Rating : Class 150-600
Trim Characteristics : Shaft down stream |
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