ELECTRONIC CONTROL PANEL.
• Digital Valve Position indicator.
• Open / Close push buttons for manual operation.
• Auto / Manual Selector switch.
Typical Valve Specifications / Features:-
Valve Type | V-notch / Segment Ball Valve |
Size | DN - 25 40 50 75 100 150 200 250 & 300 |
End Connections | Flange less / Flanged - Optional |
Leakage Class | Metal to Metal Seated - ANSI Class IV Soft Seated - Teflon - ANSI Class VI |
Body rating | ANSI 150 and ANSI 300 |
Characteristics | Equal Percentage - Approx. |
Body | 316 SS / Carbon Steel / Titanium |
Ball / Segment | 317 SS / Hard chrome plated Steel |
Seat | 316 SS / Teflon |
Packing | Teflon - V - rings / PTFE |
Electric Actuator Specifications | |||
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/90° | 280 | 306 | |
Torque developed - Nm | 150 | 375 | |
Degree of Protection | IP - 55 | ||
Switching frequency- Operations / hour |
7000 |
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Standard pulse width | 0.01 sec. | ||
Resolution steps /90° | 27400 | 30600 | |
Input Signal | 230 /110 V AC Pulses from DCS / QCS OR 4-20 mA / 0-10 VDC Control Signal from Controller |
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Motor Type | Non blocking - Stall Duty A. C. Motor | ||
Supply Voltage | 220/110 VAC 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 + 1NC) • Hand wheel for manual operation. • Local position indicator |
OPTIONA L • Additional limit switches 2 Nos. ( 1 NO + 1NC) • Feedback potentiometer • Two / Four wire transmitter • Remote position indicator - digital Control panel • Positioner to accept 4-20 mA / 0-10VDC |
VALVE TYPE : Shear Stream BODY RATING : Class 150-600 TRIM CHARACTERISTIC : Shaft down stream |
FLOW COEFFICIENT - Cv | |||||||||
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 | 75.6 | 24 | |
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 |
