Motorised Valves

Motorised Valves

Marsh Offers Various types & sizes of Valves such as Butterfly, Ball, Sluice, Globe & Dampers with Electrical Actuators. These units will be offered in "Ready for use" condition with backup services of installation & Commissioning assistance.Marsh can also offer the allied electrical & electronic accessories such as control panels, feedback & positioning devices required in close-loop system.

Motorised Operated Butterfly & Ball Valves:

Marsh offers Motorised Butterfly Valves from size 50to 1000NB with line pressures of 6 to 16 Bar in wafer or flanged types, similarly Motorised Ball Valves from size 10 to 500 NB in the class of #150, #300,#600 & #800 and connection of screwed, socket weld or flanged types as detailed below:

Special Features of Butterfly Valves

  • Integrally moulded body liner
  • Longer Valve Life
  • Fit and Forget Valve
  • Low Torque
  • No need of separate gasket between the valve face & companion flange
  • Tight Shut off
  • Easy Installation

Test Pressure
Seat
Working Pressure
Test Pressur e(Bar)
Body
Seat
PN 10
10
15
11
PN 16
16
24
17
Details of Butterfly Valves
Value Size
Type
Material of Construction
Body
Disc
Shaft
50
Wafer / Flangeless or Lugged
Cast Iron
Cast Iron

Carbon Steel S.S.

 

65
80
S.G.Iron
100
125
S.G.Iron
Encapsulated In EPDM
150
200
250
300
Carboon Steel
SG Iron Coated with nylon
350
400
Double Flanged Body
S.S.(CFB)
450
500
S.S.
S.S. (CFBM)
600
700
Aluminium bronze
800

For other material of Body Ball, Disc contact Marsh Automation Pvt. Ltd


Details of Ball Valves
Valve Size MM
End Connection
Type
Pressure Rating
Material Of Construction
Body
Ball
Stem
Seat
10 
To 
500
Screwed Socket Weld Flanged
Regular Full Bore

Class
#150
#300
#600
#800

Carbon Steel Forged Steel S.S. 304/316
S.S. 304/316
S.S.
PTFE/G.F.T
One/Two/Three/Piece
Mirror Finish
Electrical Actuator details for Butterfly & Ball Valve Application-Quarter Turn

Small Size Valve: These are direct mounted type compact actuators having following Features & accessories.

Accessories
Standard

  • Limit Switches (1 NO+1 NC)- 2 Nos. (Rating 10A - 250 VAC)
  • Hand wheel
  • Local position Indicator
  • Adjustable mechanical stoppers
  • Space Heater

Optional

  • Auxiliary limit switches - (1 NO + 1NC) - 4NOs.
  • Torque limit switches (1NO + 1NC) - 2NOs. (for QT10 onwards)
  • Three Position switch for ON/OFF operation Field/Panel Mounted
  • Positioner is available in field/panel mounted to accept 4-20mA/D-10 V DC control signal & Rx Output
  • IP 67 Protection
  • Remote position Indicator-Digital
  • Special accessories on request
  • Local control station
  • Integral Starter

Motorised Butterfly & Ball Valves:

Actuator Data
Actuator Models
QT-3
QT-5
QT-10
QT-20
QT-30
QT-40
QT-50
Rated Output Torque Kgm
3
5
10
20
30
40
50
Operated Speed Sec/90
17
17
20
20
26
26
26

Switching Frequency Opetations/Hour

a) Short Time
b) Normal

1200

600

Weight Kg.
7.5
9
12
15.5
37
37
37

Degree of Protection

IP65/IP67

Area of Operation

Safe

Motor Data Type

Non Blocking A, C Motor
Supply : Standard Optional
220V AC 50 Hz Single Phase
110V AC 50 Hz Single Phase
415V AC 50 Hz Three Phase
24 VDC
Output
7.5
9
12
15.5
37
37
37

For 24V DC & 415 VAC, 50 Hz motors above current & wattage values are not applicable


Large Size Valves:

These units are the combination of Rotary Actuators with Supplementary worm gear boxes having following features. :

Features of Emtork Actuators :
Standard Features

  • Electrical motor TEFC, 3ph, S-1 Duty
  • Insulation Class 'F'
  • Travel Limits Switches - 2 Nos.(1 NO + 1 NC)
  • Torque Limits Switches - 2 NOs. (1 NO + 1 NC)
  • Continuous type local position indicator
  • Handwheel with clutch mechanism
  • Protection class IP 65
  • Hammer-blow effect
  • Output couplings viz A/B/C/D/E as per DIN 3210

Optional Features

  • Electric motor - TESC, 3ph, S2 or S4 Duty
  • Better class of Insulation for motor
  • Travel Limits Switches - 2 NO + 2 NC in place of 1 NO + 1 NC - 2NOs.
  • Torque Limits Switches - 2 NO + 2 NC in place of 1 NO + 1 NC - 2NOs.
  • Additional Travel limit switches (1 NO + 1 NC) - 4 NOs. (Extra) - or (2 NO + 2 NC) -2NOs. (4 NO + 4 NC) -2 NOs
  • Feedback potentiometer
  • Remote position Indicators-Analogue/Digital/Bar graph
  • Space heater
  • Electromagnetic, Electronic brake for the motor
  • Protection class IP67/IP68
  • Various types of local & remote panels
  • Foot mounting brackets
  • Set of linkages
  • Tailor made accessories to suit customers specific requirements
  • Thermostats in motor winding
  • Field/ Panel mounted source to convert 220VAC to 24 VDC required for transmitter
  • Supplementary Spur & Worm gear boxes
  • Attachment for linear motion
  • Retrofitting at site

Actuator Data-Large Size Butterfly Valves
Sr.No.
Actuator

Rated Output 
Touque kgm

Time of Operation
Sec/90
Remark
1
M300/WG30
300
3 to 45
Quarter Turn
2
M300/WG50
500
5 to 75
3
M300/WG75
750
7.5 to 115
4
M300/WG100
1000
10 to 150
5
M500/WG75
1500
7.5 to 115
6
M500/WG100
2000
10 to 150
7
M500/WG31
500
3 to 46
High Speed full Rotary Model
8
M500/WG71
1500
7.5 to 115
Motorised Sluice & Gate Valves

We can Offer Various types & sizes of Sluice & Gate Valves duly coupied with Electrical Actuators & necessary automation accessories. The Sluice valves generally confirm to IS 14846 and having fkangesdrukked as per IS 1538 Table 4 & 6 or can be customized in various pressure ratings such as PN 1.0, PN 1.6 etc. These valves are either rising or non rising spindle type. The Sluice valve body confirms to Cast Iron IS 210 Gr. FG 200/DI etc, The size are 50mm to 1000mm etc.

The Gate Valves Generally confirm to American standard in ASME Class 150, 300 etc. The Gate Valve Body confirm to Cast Steel ASTMA 216 Gr. WCB/SS304/SS316/F22 etc. The size are 50mm to 300mm. The Forged steel Gate Valves Confirm to ASTM A105 are offered in the smaller range in Screwed, Socket Weld #800 & Flanges #150,#300 & #600 (Different types of Material of construction can be offered). The sizes are15mm to 50mm, All the valves are Hydrostatic tested as per the pressure testing standard.

emtork-actuators
SCADA / DCS Compatible
Electrical Actuator details-Sluice / Gate & Knife Edge Gate Valves

The standard and optional features are same as given for large size butterfly valves. These are basically Rotary Actuators with various output Torques & Speeds and with different output couplings to Sluice rising & non rising stem Slulce & Gate Valves.

Technical Data For Basic Actuators With Supplimentory Spur Gear Boxes
Sr.No.
Actuator Model
Rated Output 
Tarque Range Nm
Output Speed Range RPM
Remark
1
M30 To M200
30 To 200
10 To 150
Rotary Output
2
M250 To M600
250 To 600
10 To 150
Actuators with Various output
3
M1000
1000
10 To 120
Ciyokubgs viz
4
M300 / SGOR
2000
1.25 To 19
A/B/C/D/E to Syut Rusubg & Non Rising Shuice & Gate Valves
5
M300 / AG12
3000
0.8 To 12.5
6
M500 / SG212
5000
0.8 To 12.5
Motorised Globe Valves For On/Off & Control Application

Globe Valves in various sizes & pressure ranges suitable for On/Off and control applications in the process Industry can be offered duly mounted with Electrical Actuators, depending upon the thrust requirements the actuators can be offered in Single or Three Phase Electric supply. The accessories such as Positioners, Feedback Transmitters, which are required for close loop systems can also be offered as a complete system.

Sr.No.
Valves Size mm
Material of Construction
Pressure Class
End Conmection
1
15
Cast Iron/ SGI / DI/ Cast Carbon Steel / Forged Steel / SS
150
Screwed / Socket Weld / Butt Weld Ranged
2
20
300
3
25
4
40
600
5
50
6
65
800
7
80
8
100
900
9
125
10
150
1500
11
200
12
250
2500
13
300
Details of Electical Actuators For Globe Valves

Sr.No.
Actuator Model
Stroke Length MM

Operating Speed mm /Sec

Rated Actuating Force kgs
Electric Supply
1
ST-5102-32
40

0.26

200
220 VAC 50 Hz 1 Phase
or
110 VAC 50 Hz 1 Phase 
or
24 V DC
2
ST-5102-33
40/60

0.52

200
3
ST-5103-61
60

0.45

600
4
ST-5103-76
60/75

0.8

600
5
M60 with Linear Attachment
100

0.8 to 12.5

2000
415 VAC 50Hz 3 Phase
6
M150 with Linear Attachment
120

1.0 to 15

3500
380 VAC 60 Hz 3 Phase
7
M250 with Linear Attachment
160

1.16 to 17.5

6500
8
M500 with Linear Attachment
160

1.33 to 20

10000
480 VAC 60 Hz 3 Phase