Mark 708MV Series
Motor Control Valve
The Mark 708MV offers several advantages including extreme accuracy, high turndown ratios and repeatability. The Mark 708MV includes a switch-selectable power supply, a hand drive mechanism for manual operation and a 4-20mA current input signal. Upon loss of input (not loss of power), the motor is designed to either lock in place or fail to minimum input signal position.
- Chemical injection
- Dosing
- Pilot plants
- Research labs
- Skid builders
Industries
- Aviation & aerospace
- Chemical, refining & petrochemical
- Oil & gas
- Process or industrial
- Test equipment and service
- Manual operation by hand knob
- Output shaft with soft seating mechanism
- 4-20mA position feedback possible with standard motor
- No external power source is needed for feedback
- Unrestricted modulating duty
- Spring-loaded TFE/Chevron packing
- Bolted body/bonnet connection
- Guided trim
Seat Type: Globe – Class IV or VI
Sizes: 1/4″ – 3/4″ (DN8 – DN20)
End Connections: Threaded, Socket Weld, Integral Tube Ends, Welded Flanges
Body Materials: Carbon Steel, Stainless Steel, Hastelloy C, Monel, Alloy 20, others
Cv (Kv): 0.00001 to 4.0 (0,000009 to 3,4)
Ranges: Current voltage command, on/off
CRN Number
ATEX Certified
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