Hydraulics

Hydraulic system components — pressure sensors, position sensors for cylinders, flow meters, and electronic valve accessories — are the electrical interface between your control system and the fluid power side of a machine. Enicstra stocks hydraulic sensor and control components for industrial machinery, mobile equipment, and process plant systems.

Inventory covers pressure transmitters from Parker, Hydac, Sun Hydraulics, and similar manufacturers; magnetostrictive linear position sensors for cylinder feedback; pressure switches with mechanical or electronic outputs; and accessories for proportional valves. We carry both current production and legacy parts that remain in service on installed equipment. Every part is bench-tested with the standard 12-month functional warranty.

Hydraulic components are application-specific — pressure rating, working fluid, and mounting style matter for direct replacement. If you have a hydraulic sensor or component part number that isn't in our catalog, send the OEM code with the operating pressure range. Most quote inquiries reply within 1–2 business days.

Subcategories

Valves and Control

Solenoid valves, control valves, and electronic actuators for fluid systems — current and obsolete in stock.

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We provide one of the largest selections of industrial automation and electronic components, available and ready to ship worldwide. Whether you’re prototyping or scaling to full production, we’re here to support innovation every step of the way.

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Buying guide

Choosing Hydraulics components

Hydraulic component selection is unforgiving — a sensor rated for 200 bar won't survive briefly on a 350 bar circuit, and a port thread mismatch can leak immediately or fail under cyclic loading. Match the part to the system, not the other way around.

Specifications to confirm before ordering:

Working pressure range and burst pressure rating
Working fluid (mineral oil, water-glycol, biodegradable, phosphate ester)
Port size and thread standard (G, NPT, SAE, metric)
Sensor output (analog 0–10 V, 4–20 mA, voltage pulse, digital protocol)
Stroke length for cylinder position sensors
Mounting style (in-cylinder magnetostrictive, external linear, cable-actuated)
Operating temperature range
Electrical connector type and IP rating

Common applications and component types:

Press control: pressure transmitters at the cylinder feed, magnetostrictive position sensors in the cylinder
Mobile hydraulics: CAN-bus pressure sensors and electronic valves with closed-loop position control
Industrial process: 4–20 mA pressure transmitters with intrinsic safety ratings for hazardous areas
Machine tool clamping: pressure switches with electrical output for clamp confirmation

For position sensors mounted inside hydraulic cylinders, the sensor must be specified with the cylinder during manufacture or via a retrofit adapter — they aren't drop-in replacements without matching mounting dimensions.

Related categories Frequently asked questions

Do you carry hydraulic pressure sensors for high-pressure (350+ bar) systems?

Yes. Inventory includes high-pressure transmitters from Hydac, Parker, and similar manufacturers rated to 600 bar and beyond. Always confirm the pressure rating against the system's maximum spike, not just nominal working pressure.

Can you replace an obsolete magnetostrictive cylinder position sensor?

Often, yes — provided the magnet, rod diameter, and head adapter dimensions match. Manufacturers like MTS (Temposonics), Balluff, and Gefran make magnetostrictive sensors with similar interfaces but verify mounting before assuming direct replacement.

What about working fluid compatibility?

Standard hydraulic components are rated for mineral oil. Phosphate ester (Skydrol-type) and water-glycol fluids require seal materials specifically rated for those fluids — verify the manufacturer's compatibility chart before ordering.

Are these parts new, surplus, or used?

Most stock is new-old-stock — unused, often in original packaging. Some legacy items come from tested system removals. Each product page lists condition where known.

What's the warranty on hydraulic sensors?

All hydraulic components ship with our 12-month functional warranty. Damage from over-pressure, incompatible fluids, or installation errors is not covered by warranty.