QT (Quarter Turn Actuators)

Listing ID #3780250

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Supply Type Manufacturer, Exporter, Supplier
Preferred Buyer Location All over the world

The various Types of electrical Actuators from Marsh have been developed specially for the quarter turn operation of small size Butterfly, Ball, Plug valves and dampers. Thanks to their design....

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Product Details

The various Types of electrical Actuators from Marsh have been developed specially for the quarter turn operation of small size Butterfly, Ball, Plug valves and dampers. Thanks to their design simplicity to achieve low-cost automation. They are provided with single phase motors which considerably saves the cost of electrical hardware and other accessories.

Also as the actuators are installed directly on final control element and are provided with stall-duty motors, the units become completely maintenance free, that is Fit and Forget type. The units are supplied with all necessary features to operate the final control element in ON/OFF or modulating modes.

STANDARD

Limit Switches (1No.+1Nc) - 2 Nos. (Rating 10 A - 250 VAC)
Hand wheel
Local position indicator
Adjustable mechanical stoppers

OPTIONAL

Auxillary limit switches - (1No + 1Nc) - 4 Nos.
Torque limit switches (1No + 1Nc) - 2 Nos (for QT10 onwards)
Three position switch for ON/OFF operation Field/Panel mounted
Feed back Potentiometer
Valve positioner - Field / Panel mounted Input : 4-20mA/0-10 V DC.
Output : Proportional
Two wire transmitter field /Panel mounted
Input : From potentiometer in actuator - 100 to 235 ohms or 0-1000 ohms
Output : 4-20 mA - Two wire
IP 67 Protection
Remote position indicator-Digital
Space heater
Special accessories on request

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
Operating Speed Sec /90°	17	17	20	20	26	26	26
Switching Frequency Operations / Hour a) Short Time b) Normal	1200 600
Weight Kg.	14	15	27	28	38	40	42
Degree of Protection	IP65/IP67
Area of Operation	Safe
Motor Data
Type	Non-Blocking A. C. Motor
Supply : Standard Optional	220V AC 50Hz Single Phase 110 V AC 50Hz Single Phase
Output wattes	90	125	175	250	290	300	320
Nominal Current Amp	0.5	0.55	0.9	1.2	1.3	1.4	1.5
Class Insulation	F
Ambient Temperature	45° C

Company Details

Marsh was started by two engineers, having a dream of manufacturing products. Mr. V. L. Mashalkar and Mr. S.N. Marulkar started the unit in 1980 in a small rented premise. Their efforts were ably supported by Ms. Blue Stars Ltd. who did the marketing till 1995.
Marsh received President of India Award in 1986 for Innovating Entrepreneurship in small scale sector.
In 1995 Mr. C. V. Mashalkar joined the company as director, an engineering graduate, we build a team for all over India coverage. with approvals from Mecon, ELL and various water boards. We have strong presence in India's automation story.
Presently Marsh has pan India presence in water, steel, power, paper, sugar sectors in India & SAARC countries.