Valve Actuators by Valco Instruments Co. Inc.

Products/Services:

	Click on a category to see this company's product/service line for the chosen category.
	Analyzers Gas Columns Capillary Diluters Fittings Compression Flanged Flangeless Flow Controllers Gas Monitoring Equipment and Systems Air Quality Pumps Positive Displacement Purifiers Gas Stainless Steel Tubing Standards Calibration Gas Syringes Gas Sampling Liquid Sampling Traps Hydrocarbon Mercury Moisture Oxygen Sulfur Tubing: Metal Valve Actuators Valves Control Diaphragm Gas Chromatography Needle Plastic

Contact Details:

		See Phone No

		E-mail Company
		Visit Website

Valco Instruments Co. Inc.

Houston, TX

	* NOTE: Click on an image to enlarge it in a new window.
		Microelectric actuators – two position • CE certified • Automatic alignment • Manual control with position indication • Remote control by contact closures or TTL level logic • RS-232 bidirectional communication (optional RS-485) • Stall-sensing circuitry - no mechanical microswitches • High speed switching - <100 ms in EH model • Autosensing universal power supply, 110/230 VAC to 24 VDC Request Quote

		Microelectric actuators – multiposition CE certified Direction reversal Position indication LED display RS-232 output BCD 5V negative true output Manual control Step and home functions Direction control Remote control Step and home functions with contact closure Direct position access with BCD 5V negative true input Direct position access with RS-232 input (RS-485 optional) Automatic alignment with keyed valves and standoffs New composite model Autosensing universal power supply, 110/230 VAC to 24 VDC Request Quote

		Standard electric actuators – two position • Position indication • Manual control • Remote control by contact closures or TTL level logic • 110 VAC • 24 VDC (CE certified) with universal 110/230 power supply • No power demand on the chromatograph Request Quote

		Standard electric actuators – multiposition • Position indication • Manual control • Remote control by contact closures or TTL level logic • 110 VAC • No power demand on the chromatograph Request Quote

		Air actuators – two position The Valco air actuator offers reliable, long-term performance under the most stringent conditions. Its low gas consumption and lightweight, compact construction make the air actuator suitable for aerospace flight hardware applications as well as laboratory or process applications. When an air actuator is ordered by itself it can be specified with closemount hardware, with a standoff, or, if your valve already has a standoff, with just the standoff mounting hardware. The standard air actuator is rated for use at temperatures up to 70°C. Generally speaking, valves which will be in ovens or heated zones require a standoff assembly, which locates the air actuator out of the heated zone and supports both the valve and actuator. A high temperature model permits both valve and air actuator to be mounted within an oven (175°C maximum), but it is not recommended for use below 50°C. Typical actuation pressure is 40-50 psig, but up to 80 psig may be used without damaging the valve or the air actuator. The ideal air pressure will switch the valve in 1/3 to 1/2 second. Bottled instrument air or nitrogen is recommended. If plant air from compressors must be used, an oil separator and water dryer are required. Request Quote

		Air actuators – multiposition The Valco air actuator offers reliable, long-term performance under the most stringent conditions. Its low gas consumption and lightweight, compact construction make the air actuator suitable for aerospace flight hardware applications as well as laboratory or process applications. When an air actuator is ordered by itself it can be specified with closemount hardware, with a standoff, or, if your valve already has a standoff, with just the standoff mounting hardware. The standard air actuator is rated for use at temperatures up to 70°C. Generally speaking, valves which will be in ovens or heated zones require a standoff assembly, which locates the air actuator out of the heated zone and supports both the valve and actuator. A high temperature model permits both valve and air actuator to be mounted within an oven (175°C maximum), but it is not recommended for use below 50°C. Typical actuation pressure is 40-50 psig, but up to 80 psig may be used without damaging the valve or the air actuator. The ideal air pressure will switch the valve in 1/3 to 1/2 second. Bottled instrument air or nitrogen is recommended. If plant air from compressors must be used, an oil separator and water dryer are required. Request Quote