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Motorized Basis Weight Valves
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Paper Industry : Motorized Basis Weight Valves
Steel Industry Motorised Glass Control Valves - Pickling Plant
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 Actuators


Paper Industry : Motorized Basis Weight Valves

Motorised Basis Weight Control Valve

PACKAGE FOR PULP & PAPER INDUSTRY

V- NOTCH BALL VALVE Metso Finland
• 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 Technology RTK - Germany
• 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
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
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

Shaft Downstream 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

V NOTCH BALL

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Motorized Glass Control Valves : Application : Pickling Plant, Sector : Steel



Marsh Introduces new range of Motorized Glass Valves for controlling flow of Acid in an Acid Regeneration Plant specially used in pickling Plant to recycle Waste Acid.

The Package Mainly Consists of
• Glass Valve
• High Resolution Electrical Actuator
• Accessories

Brief Description

Waste from pickling process which mainly consists of Hydrochloric Acid, Suspended Iron Particles & Water along with CNG & Air is feed to a reactor in controlled manner through motorized Glass Valve.This acid gets converted to gaseous form in the reactor which is again converted to acid in an absorption column.

The Glass valve is made of Borosilicate glass and PTFE plugs. Glass valve allows visual checking to monitor flow of acid and see that crystallization does not take place. The valve has to be washed periodically with water to remove iron particles if any.

   
   
 



Sugar Industry : Pan/Right Angle/Steam/Baggase Automation

Sugar Industry

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Pan Valve Automation System


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Position Retransmission in 4-20mA for Valves/Dampers
Position Transmitter Model : PPT 200

Position Transmitter Model : PPT 200APPLICATION

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
Two wire Transmitter
Uses state of art analog technology
Accepts wide supply voltage variations
Protection against reverse supply connections
Epoxy potting ensures excellent - protection against dust, moisture etc.
Customer setting - SPAN, ZERO -
easily accessible.
Note : SPAN and ZERO are interdependent

TECHNICAL SPECIFICATIONS
Supply : 12 to 36 V DC
Input : 100 to 235
- Standard supply. Other values available on demand
(Only two wires of potmeter to be used as input)
Output : 4 to 20 mA DC
Customer : Zero : 4mA
                 Span : 20 mA
Linearity : ±1%

PPT Details

Position Transmitter with linkages for Linear Application

Technical features Model PPT-200L

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.

 

PPT200

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.

PPT

Request A Quote

Technical Features- PPT 200R-S

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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
  4.9  Torque limit switches Standard - 1NO + 1NC - 2 Nos
                                       -- Only for 3 phase models
Optional - 2 NO + 2NC - 2 Nos
  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
  5.3  Duty ON / OFF - S1
Regulating -S4
  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

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Water/Sewage Treatment Plants: Retrofitting of Existing SLV/Gate Valves

Water/Sewage Treatment Plants   Water/Sewage Treatment Plants
Elertical Actuators  

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Industrial Valves: Retrofitting of any Existing Valve with Electrical/Pneumatic Actuators

Industrial Valves

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