Seal Gas Filter/Coalescers
HILCO offers a comprehensive range of seal gas filtration systems engineered to deliver reliable particulate and liquid removal for demanding applications. Each unit is custom designed to meet
For more than a century, The Hilliard Corporation has developed products that solve mechanical power transmission, motion control, fluid conditioning, and equipment reliability challenges across industrial and mobile equipment applications.
From industrial braking systems and drivetrain technologies to filtration, separation, fluid analysis, and engine starting systems, Hilliard products are engineered to perform in demanding operating environments.
Serving OEMs, distributors, end users, and maintenance professionals worldwide, Hilliard solutions are utilized across power generation, oil and gas, mining, manufacturing, transportation, marine, mobile equipment, and critical infrastructure applications.

Categories
HILCO offers a comprehensive range of seal gas filtration systems engineered to deliver reliable particulate and liquid removal for demanding applications. Each unit is custom designed to meet
HILCO Selexsorb™ GT Cartridges are engineered specifically for phosphate ester fluids, including turbine lubrication, hydraulic control, and EHC systems utilizing fluids such as Fyrquel®.
Simplex Vessels are commonly found providing filtration solutions for both small or large liquid reservoirs, and can be built in single or multiple cartridge designs.
Designed for demanding liquid service applications, HILCO Split Transfer Valves combine rugged construction with positive sealing and straightforward field maintenance.
Hilliard Electric Brakes provide positive stopping and reliable holding of rotating devices on demand-every time. Spring engaged when current is interrupted and electromagnetically relased when voltage is applied,
Benefits
Whether controlling rotating equipment, transferring engine power, starting critical machinery, or maintaining fluid condition, industrial systems depend on products engineered for specific operating requirements. Hilliard technologies are applied where torque, contamination, moisture, degradation products, traction, and mechanical loads directly influence equipment performance.

Controls stopping, holding, positioning, tensioning, and deceleration functions in applications ranging from conveyors and cranes to winches and processing equipment.
Delivers controlled transmission of mechanical power through drivetrain systems, differentials, centrifugal clutches, and variable-speed technologies.
Removes particulate contamination, moisture, acids, oxidation byproducts, and liquid aerosols from critical industrial fluids and gas streams.
Helps protect compressors, turbines, generators, engines, gearboxes, pumps, hydraulic systems, and other high-value equipment.
Supports consistent performance across demanding duty cycles, changing operating conditions, and continuous-use environments.
Engineered around specific equipment requirements, operating conditions, fluid characteristics, and system performance objectives.
Industries
Hilliard products support a broad range of industries where motion control, filtration, drivetrain performance, and engineered reliability matter.
WHY HILLIARD
Products developed around industrial equipment requirements, mobile machinery layouts, fluid types, load profiles, and operating conditions.
Braking, drivetrain, engine starting, filtration, separation, fluid treatment, and service capabilities from one manufacturer.
In-house engineering, manufacturing, testing, and quality processes built to support consistent product performance.
Application expertise, technical support, repair services, and distributor support available throughout the product lifecycle.
Products for Mechanical Power, Motion Control, and Fluid Conditioning