The Allen-Bradley 836T-T353JX9 controller is an oil-tight pressure controller. It belongs to Bulletin 836T product line and it is available with a piston with a seal for an actuator. This Style T industrial pressure controller is available in a Type 1, 4, and 13 NEMA enclosure. The performance ratings of the 836T-T353JX9 controller include a 700 to 5000 PSI adjustable operating pressure range, a 525 to 650 PSI adjustable differential pressure range, and a 15,000 occasional surge pressure rating. For this controller with a piston, the hydraulic fluid return line to the reservoir is not needed. The 836T-T353JX9 controller is a standard pressure controller and it is shipped with the operating pressure set to the maximum rating and the differential pressure set to the minimum rating. The 836T-T353JX9 controller has 2 circuits and it uses an SPDT contact block.

The pressure controls from the 836T product line are designed for industrial applications which require the opening or closing or electrical circuits in response to changes in hydraulic or pneumatic pressure. The pneumatic or hydraulic pressure is applied to the actuator on the pressure control. Piston pressure controls such as the 836T-T353JX9 controller should not be used with water. When the pressure increases and the threshold known as the trip setting is crossed, levers inside the pressure control cause the displacement of the contacts. When the pressure decreases, the contacts return to their normal state which is known as the reset setting. The 836T-T353JX9 controller is designed for a -22 to 150 degrees Fahrenheit operating temperature range and a -22 to 200 degrees Fahrenheit storage temperature range. operation at temperatures below freezing is only allowed in the absence of substances which could freeze and impede the operation of the pressure control.