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| PRODUCTS | |
| ELECTRICAL ACTUATORS | |
| Emtork Actuators | |
| Regeltek Actuators | |
| QT (Quarter Turn Actuators) | |
| Electrical Thrusters | |
| Accessories | |
| MOTORIZED VALVES | |
| DAMPERS | |
| GEARBOXES | |
| Multiturn | |
| Quarterturn | |
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Paper Industry : Motorized Basis Weight Valves
Sugar Industry : Pan/Right Angle/Steam/Baggase Automation
Pan Valve Automation System
Position Retransmission in 4-20mA for Valves/Dampers
Industrial Boilers : Retrofitting existing High Pressure - Gate + Globe Valves
Water/Sewage Treatment Plants: Retrofitting of Existing SLV/Gate Valves
Industrial Valves:
Retrofitting of any Existing Valve with Electrical/Pneumatic Actuators
Paper Industry : Motorized Basis Weight Valves
PACKAGE FOR PULP & PAPER INDUSTRY
V- NOTCH BALL VALVE
• V-notch contour offers an equal percentage
characteristics for control.
• Valve sizes from 25 to 300 mm.
• Ideally suitable for throttling of fibrous pulp.
HIGH RESOLUTION ELECTRICAL ACTUATOR
• Actuator movement 280 sec. /90° or 306 sec. /90°
• Standard pulse width 0.01 sec.
• 27400 or 30600 steps /90° - valve movement.
• Can be directly hooked to DCS or QCS systems.
INTERFACING ELECTRONIC ACCESSORIES.
• Valve positioner to accept 4-20 mA or 0-10VDC signal from controller.
• Feedback potentiometer to give ohms output.
• Electronic position transmitter to give an output signal of 4-20mA.
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 |
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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 | |
Sugar Industry : Pan/Right Angle/Steam/Baggase Automation
Pan Valve Automation System
Position Retransmission in 4-20mA for Valves/Dampers
Position Transmitter
Model : PPT 200
APPLICATION
The two wire transmitter model PPT
200 is an electronic instrument to
convert resistance input to current
output. The change in resistance
derived from the field mounted
potentiometer is given as an input to
this instrument through two wires. A
supply of 12 to 36 V DC is connected
to the output terminals of the
instrument. As the input resistance
varies the current signal of 4-20 mA is
generated in the supply wires which
can be read by connecting an
ammeter in series with the supply
wires as shown in the connection
diagram. The Zero and Span Setting
potmeters are provided on this
instrument by which accurate output
values of 4 and 20 mA can be
achieved.
FEATURES |
TECHNICAL SPECIFICATIONS |
Position Transmitter with linkages for Linear Application
Technical features Model PPT-200L
This model has a reciprocating shaft, which can be
coupled to any linear moving part so as to convert
linear mechnical movement into an out put of 4-20
mA proportionately.
The reciprocating shaft is coupled to the
potentiometer and the potentiometer output is
converted into 4-20mA thru position transmitter. All
the items are housed in a box having proper sealing to
make it weather proof. A suitable cable gland is
provided for cable entry. Adjustable mechanical
stoppers are provided on the reciprocating shaft to
restrict the desired movement of the shaft.
Technical Features Model PPT-200L-S
This model has all the features that PPT-200L plus two
cam operated adjustable end limit switches are
provided to indicate extreme end positions. The
switch operating cams can be set at site.
The switches are also housed in the housing that of
transmitter making them weather proof. The switch
terminals are taken on the strip provided inside the housing.
Position Transmitter with Linkage for Rotary Application
Technical Feature Model: PPT-200R
All Features same as that of PPT-200L Except that the External lever has a rotary action instead of reciprocating.
Technical Features - Model: PPT-200R-S
All Features same as that of PPT-200S except that switching operation will be thru rotary lever instead of reciprocating.
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Industrial Boilers : Retrofitting existing High Pressure -
Gate + Globe Valves
Applications :
MARSH offers Electric Actuators for high pressure Globe & Gate Valves for ON / OFF and Regulating duty applications. They can be mounted directly on valves or the motion can be transmitted thru linkages depending on site conditions. The actuators are available with 230 / 110 VAC V AC 1 Phase or 415 V AC 3 phase motors to suit various valve sizes and operating pressures. The required standard and optional accessories are available to meet the specific process requirements. The service back up is also available for commissioning, to over-come initial troubles, and also to calibrate the unit with DCS / QCS compatibility.
TYPICAL Data sheet for Electrical Actuators
Technical Specification - Electric Actuator - Single / Three phase - Linear / multiturn application.
| 1 | Item | Single / Three Phase Electric Actuator |
| 2 | Application | High pressure Linear / multiturn Globe & Gate Valves |
| 3 | Make | MARSH |
| 4 | ACTUATOR DETAIL (With std. Accessories) | |
| 4.1 Type | Regeltek / Emtork | |
| 4.2 Model | ST 5102/03, MT5, M0/M1-SG | |
| 4.3 Out put motion | Linear / Rotary | |
| 4.4 Rated out put Thrust / Torque | 200/600 Kg. 5/8 20 to 200 Kgm. | |
| 4.5 Out put speed | 0.26 to 0.8 mm / Sec and 1 to 365 RPM. | |
| 4.6 Out put coupling | A/C/D/E /special | |
| 4.7 Manual over - ride | Provided. | |
| 4.8 Travel limit switches | Standard - 1 NO + 1NC - 2 Nos Optional - 2 NO + 2NC - 2 Nos |
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| 4.9 Torque limit switches | Standard - 1NO + 1NC - 2 Nos -- Only for 3 phase models Optional - 2 NO + 2NC - 2 Nos |
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| 4.10 Local Position indicator | Provided | |
| 4.11 Class of protection | IP 65 - weather proof | |
| 4.12 Duty | ON - OFF / Regulating | |
| 4.13 Area of operation | Safe / optional - Hazardous | |
| 5 | 5.1 Type | Actuator duty |
| 5.2 Supply | 230/110 VAC - 1 phase 50 / 60 Hz 415/380 VAC - 3 phase 50 / 60 Hz |
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| 5.3 Duty | ON / OFF - S1 Regulating -S4 |
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| 5.4 Insulation Class | F | |
| 5.5 Rating | 5/24 watts, 0.37 to 2.2 KW | |
| 6 | OPTIONAL ACCESSORIES | |
| 6.1 Feedback potentiometer | Resistance / Inductive | |
| 6.2 Feedback transmitter | Two wire type - Model PPT 200 | |
| 6.3 Source for transmitter | Converter - 230 VAC to 24 VDC | |
| 6.4 Remote position indicator | Digital | |
| 6.5 Positioner | Actuator / Panel mounted - To operate the actuator with Input signal of 4-20 mA OR 0-10 VDC | |
| 6.6 Thermostat | In - built in motor winding / External | |
| 6.7 Control Panel | Local / Remote operation |
Water/Sewage Treatment Plants: Retrofitting of Existing SLV/Gate Valves
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Industrial Valves: Retrofitting of any Existing Valve with Electrical/Pneumatic Actuators
