Pneumatic valve actuator DA series
rotarydirect-drivedouble-acting

pneumatic valve actuator
pneumatic valve actuator
pneumatic valve actuator
pneumatic valve actuator
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Characteristics

Type
pneumatic
Movement
rotary
Technology
direct-drive
Configuration
double-acting
Other characteristics
aluminum, ATEX, NAMUR
Torque

Min.: 8 Nm (6 ft.lb)

Max.: 8,000 Nm (5,900 ft.lb)

Pressure

6 bar, 7 bar, 8 bar (87 psi)

Ambient temperature

Min.: -20 °C (-4 °F)

Max.: 150 °C (302 °F)

Rotation angle

92 °

Description

1.Energized and self-lubricated strips Less friction between piston and cylinder It prevents the bonding of the seal to the cylinder even after long periods of inactivity 2.Slots, bushes and pins made by steel with hardness higher than 50 HRC Higher resistance to the forces inside the actuator 3.Rolling friction between piston and slot Less friction 4.Scotch yoke with rolling friction (transforming rotary motion into linear motion using piston and shaft without teeths/gears) Reduced friction between piston and shaft with consequently less wear on the relevant parts Empowered Breakaway Torque (BTO & BTC) Smaller volume/size than rack and pinion actuators (with the same torque) therefore less space required for installation Less weight than the rack and pinion (-30% kg / Nm), with consequent savings on the construction sizing of the plant/equipment Lower air consumption compared to the rack and pinion actuators (-40% air cm3/Nm for Double Acting and -20% air cm3/Nm for Spring Return) therefore less load on the compressor or the possibility of using a smaller compressor's size. 5.Rolled cylinder Less wear of the energized ties thanks to the low roughness of the surface (0.15 micron Ra) From sizes bigger than DAN15, NAMUR interface for solenoid valve is already integrated. No need for extra plate. 100% in- house manufacturing process technology Maximum control and accuracy in all the stages of the manufacturing process ATEX Certificate Installation is allowed in a potential explosive environment SIL 3 Certified Guarantee of the high level of functional safety.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.