

Aquestia Ltd
About us
Advanced hydraulic solutions for optimal
management of liquid conveyance systems
Aquestia is a world leader in providing optimal solutions for surge
protection, water loss reduction and pressure management, by
integrating uniquely developed products with innovatively designed
software.
Bringing together three strong brands - OCV, DOROT and A.R.I.,
we combine decades of experience, a wealth of knowledge and
expertise, and a wide range of solutions and services.
We are where liquid flows, serving customers in segments that
include fire protection, aviation fueling, terminal services, oil & gas,
waterworks and wastewater systems, irrigation, mining, ballast
water, desalination, commercial plumbing, and more.
Aquestia – high-quality, reliable products and committed service,
for your peace of mind.
Products

OCV 110-29 Terminal - Two-Stage Differential Control Valve
The two-stage differential control valve shall open in one stage and close in two stages based on signals from the preset register. Additionally, in liquid fuel systems, the valve will close as necessary when air is sensed in the air eliminator so as to prevent air from passing through the meter. In LPG systems, the valve will modulate as necessary to keep the valve inlet pressure (meter outlet pressure) a predetermined amount above vapor pressure to ensure that only liquid passes through the meter. The OCV 110-29 is specifically designed for fuel loading systems and performs the following functions: – Full flow delivery with two stage shutdown – In liquid fuel systems, prevents air from passing through meter – In LPG systems, prevents flashing through meter

OCV 8101 Terminal High-Level Shut-Off Valve
The high-level shut-off valve shall be installed on the inlet line to the tank and shall close when the high level is reached. The high-level shut-off valve shall include a simple, two-way, non-adjustable float pilot to be installed in the tank at the desired tank level and be connected to the main valve by two, customer-installed sense lines. The OCV 8101 is applicable anywhere it is necessary to automatically control the high level in storage tanks where the float pilot can be mounted inside the tank.

OCV 115-25 Terminal Two-Stage Preset Valve
The two-stage preset valve shall open in one stage and close in two stages based on signals from the preset register. The OCV 115-25 is specifically designed for fuel loading systems and performs the following functions: – Electrical opening - full flow delivery – Two-stage shutdown

OCV 115-3 Terminal - Solenoid Control Valve
The solenoid control valve shall operate by means of discrete electrical signals. The valve shall be equipped with two 2-way solenoid valves that will allow the valve to be opened, closed, or held in any intermediate position. The solenoids shall be configured so that the valve will open/close/hold position on loss of electric power. The OCV 115-3 has a wide range of applications - anywhere it may be required to position a valve electrically, including the following: – Process control – Supervisory flow or pressure control – Fuel terminal loading racks

OCV 127-9S Terminal - Two-Stage Preset Valve
The two-stage preset valve shall open in one stage and close in two stages based on signals from the preset register. The OCV 127-9S is specifically designed for fuel loading systems and performs the following functions: – Electrical opening – full flow delivery – Pressure Reducing – valve will control downstream (delivery) pressure at a predetermined point during high flow filling process – Two-Stage shutdown
OCV S100 68F Series - Reliable, Durable Control Valve for Easy Operation
OCV S100 68F globe valve series is a trusted solution for fire protection systems, known for its reliability, versatility, and durability. Its simple yet efficient design allows for high-flow capacity with very low head losses, ensuring a rapid and precise response in critical fire-suppression applications. The valve performs reliably across various conditions, easily managing flow from near-zero to full capacity; making it ideal for fire protection systems. Engineered to meet stringent fire protection standards, the S100 68F series guarantees dependable operation, when every second counts.

OCV 120-6 Terminal Pump Discharge Control Valve
The rate of flow control/check valve (pump discharge control valve) shall function to control or limit the flow rate, regardless of fluctuations in upstream or downstream pressure. If downstream pressure becomes greater than upstream pressure, the valve will close fully to prevent reverse flow. The OCV 120-6 has a wide range of applications - anywhere the flow rate must be controlled or limited and reverse flow must be prevented.

OCV 94-1QC Aviation - Non-Surge Check Valve
The non-surge check valve shall function to prevent pump start-up surges and reverse flow by opening slowly after pump start and closing quickly when the pump stops. Valve opening speed shall be adjustable. The OCV 94-1QC non-surge check valve is a simple on/off valve which effectively minimizes pump start up surges. It opens at an adjustable speed to allow forward flow and closes quickly and tightly to prevent reverse flow.

OCV 66TS Terminal - Tank Safety Valve
The tank safety valve shall operate by means of hydraulic pressure from the transfer pump discharge. The valve shall open on positive pressure and close on loss of pressure. It shall be equipped to relieve downstream to upstream in the event of thermal buildup. It shall be equipped with a manual opening feature and valve position indicator. The OCV 66TS Tank Safety Valve is designed to automatically isolate a fuel storage tank from its loading terminal or product transfer point. Hydraulically linked to the delivery pump, the valve is open only when the pump runs and is effectively producing pressure. The valve will automatically close when the pump is off, fails to produce pressure, or in the event of a line rupture.

OCV 108FC/108 FCA Fire Pump Relief Valve
An automatic, pilot controlled, pressure relief valve actuated by the pipeline pressure. The valve modulates to maintain a steady, predetermined pressure in the network. Should the upstream pressure exceed the required set point, the valve opens, releasing the excessive pressure. When the pressure falls below the set value, the valve closes drip tight.

OCV 68 DE\RCL\PR Electrically Actuated, Pressure Reducing, Manual Reset Deluge Valve 3/2 Solenoid
Electrically controlled deluge/pre-action valve, actuated by the pipeline pressure. The valve is closed in its normal, set position and opens when a 3w solenoid valve is energized. When tripped, the valve regulates to a steady, preset downstream pressure, regardless of upstream pressure or flow rate fluctuations. The valve must be manually reset following automatic actuation using the RCL relay’s knob. An emergency manual release valve is fitted as standard.

Aquestia Fueling Brochure
Trusted worldwide, Aquestia brand, OCV, is the industry standard for fuel storage solutions in tanks, metering systems, loading terminals, aviation fuel skids, and truck/railcar loading and unloading systems. Offering a wide range of high-performance automatic control valves, built to customers’ particular specifications and designed to meet the demands of terminal services and aviation fueling applications, we deliver exceptional quality, precision, and reliability, empowering you to control the flow of your fuel with confidence.

Aquestia Fire Protection Brochure
Aquestia offers a complete range of listed and type-approved hydraulic deluge and fire control valves, including both globe and diaphragm safety valves, covering all relevant fire and safety applications. With ‘in-line’ serviceability enabling easy maintenance without removal from the line, our solutions feature precise hydraulic performance, for smooth and efficient operation of safety systems.

OCV 68 DE\EL\PORV\PR Electrically or Pneumatically Actuated, Pressure Reducing Deluge Valve
Electrically or pneumatically, pilot controlled deluge/pre-action valve, actuated by the pipeline pressure. The valve is closed in its normal, set position and opens when the pneumatic pressure drops in a gas pressurized pilot line, releasing a hydraulic relay, or by an electric command. When tripped, the valve regulates to a steady, preset downstream pressure, regardless of upstream pressure or flow rate fluctuations. An emergency manual release valve is fitted as standard.