PresAir

Pneumatic Switching Controls

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Senasys designs and manufactures a wide variety of switches including our Presair product line, which focuses on pneumatic actuation. Specifically Presair specializes in foot switches, air switches, hand or palm switches, pressure switches and vacuum switch for many different applications. All of these different types have different product categories depending upon the type of application you are using. All Presair switches are made in the U.S.A.

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Air Switches

Garbage Disposal Air Switch with Chrome Push Air Button Safety Switch

You may have seen our push button air switches in kitchens, spas, or even aquariums! We have different types of air switches available, including momentary action, alternate latching action, three or four function air switches. Paired with our foot pedals or hand palm bellows, our air switches are waterproof, explosion proof and shockproof! 

Single and Double Function Description

The Presair air switch system uses an air bellows actuator joined by tubing to an air switch contained within the equipment or appliance to be switched. Pushing the actuator creates enough pressure to operate the air switch which safely controls the equipment. There is complete electrical isolation with no voltage to worry about at the point of actuation. No external compressed air is required.

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Three and Four Function Description

Presair’s Sequencing Air Switches are three or four function air actuated sequencing switches designed to control the sequential operation of multiple electrical devices such as a pump, blower, lights, or motors. Available both mechanical or solenoid powered, the sequencing air switch features a unique cam and ratchet mechanism enables users to select a desired function from remote distances.

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Foot Switches

We have a selection of foot switches which are suitable hard foot pedal, foot pedal, foot switch, air actuator, air switch, electric foot pedal, Presairfor different applications and industries.Each of our ranges has a different purpose and therefore different features. Our soft foot pedals are made for light duty applications, such as medical, household appliances, and shaved ice machines! Our heavy duty hard foot pedals have a hard outer shell that protects the inner air bellow from being damage when used. Typically applications for our hard foot pedal are industrial machinery, office equipment, and power tools.

Description

Presair air actuated foot pedals are shockproof, explosion-proof and waterproof.The pneumatic foot pedals contains an internal air bellow. When pressed, it sends a pulse of air through a tube to an air switch. Action may be momentary, alternate or sequencing. Presair also supplies electric foot pedals, which are a low profile option providing high performance at a low cost.

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Hand/Palm Switches

soft air actuator, air actuator, push button actuator, air switch, Presair

Air buttons are commonly used in pool and spa applications located spa side controlling the air switches connected to the spa’s equipment, such as blower, pump, heater, or lights. Other common applications include garbage disposals, indoor/outdoor lighting, or medical and other industrial applications.

Description

All air push buttons have a sealed internal air bellow to prevent water from entering the air tube that connects the air button to the air switch.Hard buttons are available in the following standard colors and finishes: White, Black, and Chrome. All air bellows are available in black, white or gray with a plain top or recessed for custom OEM decals. Other colors are available, please contact us for more information.

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Pressure Switches

sensitive pressure switch, differential pressure switch, sensitive vacuum switch, sensitive differential switch, Presair

Presair pressure switches make electrical contact when a certain set pressure has been reached on its input. Pressure switches can be both adjustable and factory set. Adjustable pressure switches have an adjustable pressure range of 1.5 inches of water to 125 Psi. Tinytrol Factory Set Pressure Switch models can be factory set from 0.25 Psi to 65 Psi. For low sensing air pressure applications our Sensitive Differential Pressure Switch does the trick. We also design and manufacture printed circuit board mount pressure switches for PCB work. Common applications for our pressure switches include monitoring air line pressure, sensing fluid levels, and medical equipment.

Description

Pressure switches are designed and manufactured to exacting standards to meet the needs of original equipment manufacturers and instrument makers for low cost, stable switches and good repeat accuracy. Presair manufactures pressure switches with accuracy in mind. Our standard pressure switches have a dead band of ±10%, and custom options can be built for a tighter or wider dead band.

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Vacuum Switches

pcb switch, pcb air switch, pcb vacuum switch, pcb pressure switch, Presair

Presair vacuum switches make electrical contact when a certain set vacuum has been reached on its input. Vacuum switches can be both adjustable and factory set. Vacuum switches can be both adjustable and factory set. Adjustable vacuum switches have an adjustable range on increasing vacuum of 2.5 inches of water to 300 inches of water. Tinytrol Factory Set Vacuum Switch models can be factory set from 20 inches of water to 300 inches of water. For low sensing vacuum applications our Sensitive Differential Switch does the trick. We also design and manufacture printed circuit board mount vacuum switches for PCB work. Common applications include pool/spa and industrial motors.

Description

These switches allow for simple electrical on/off control over pressures and vacuums. As pressure goes up, one contact opens as the other closes. This provides a perfect solution for monitoring, controlling, and notifying. All are field adjustable but can be preset at the factory if preferred. Dual switches are also available, factory set to operate two separate microswitches at different pressure or vacuum settings. These switches come in multiple body styles, providing the necessary versatility for air hose connections.

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