September 6, 2013 – 11:10
VICI Valco Instruments Co. Inc. Model E8 Multiposition Actuator w

Features AdvantagesHigh thrust capability With air supply capability of up to 150 psig, the 585C can produce up to 111, 000 Newtons (25, 000 pounds) thrust to overcome high valve unbalance. Special constructions can produce thrusts of up to 137, 000 Newtons (30, 800 pounds).Long stroke Depending on size, strokes of up to 203 mm (8 inches) (standard) are available. Longer travels of up to 610 mm (24 inches) are available upon request.Wide range of sizes The 585C is available in standard sizes 25, 50, 60, 68, 80, 100, and 130. Larger cylinder sizes are available for special applications.Valve mounting capability Depending on size, the 585C can be mounted to yoke boss diameters of 2-1/8 inches through 5-inches, and valve stems of up to 1-1/4 inch diameter. Special constructions will accommodate a 7-inch yoke boss and a 2-inch valve stem.Positioner mounting capability Universal NAMUR mounting provides a consistent mounting method for size 25 through 130 actuators. This mounting capability provides vibration resistance per ISA-S75.13.High frequency response The double-acting construction of the 585C allows quick response to instrument signals.Stiff construction Pressure on both sides of the piston, plus the relatively small volume of air within the cylinder, results in stiff, precise positioning.Handwheels 585C size 25 and 50 actuators are available with a top-mounted handwheel. All other 585C actuator sizes can accommodate a side-mounted handwheel.Bias springs The sizes 25 and 50 are available with bias springs. A bias spring under the piston fully retracts the actuator stem upon loss of supply air, while a bias spring on top of the piston fully extends the actuator stem. The spring bias mode is easily reversed without the need for additional parts.

Source: www2.emersonprocess.com

Dorman Dorman 917-010 Variable Valve Timing Solenoid
Automotive Parts and Accessories (Dorman)
  • Actuates variable valve timing by controlling oil flow / pressure
  • Easily plugs into electrical harness
  • Aluminum
  • Resistant against wear and tear
  • Original Equipment (OE) Number: 12602516, 12615873
  • Direct fit replacement unit
  • Unit features Dorman engineered quality enhancements
  • Backed by Dorman s limited lifetime warranty

Brilliant

2009-10-24 19:56:39 by --



The aerodynamics are novel, combining vestigial cruciform wings with tail control surfaces of a lattice configuration (similar devices are used on the R-400 Oka). Each surface consists of a metal frame containing a blade-like grid assembly which combines a greater control area, and thus lifting force, with reduced weight and size. The development for this control concept took three years of theoretical work and testing. Referred to by the Russians as gas dynamic declination devices, these surfaces require less powerful actuators than conventional fins, and have a lower RCS

Fieldbus for steam-drain control  — InTech
Ultimately, when you minimize signals, you improve the overall efficiency and performance of the network.

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