
Smooth Sailing
Monitoring and Control in Marine Applications
Products In Focus
Barksdale offers a flexible and dynamic product portfolio, integrating reliably into customer processes with innovative solutions, various applications, efficient process management, and comprehensive service. For over 75 years, we have delivered high-quality products for pressure, level, flow, and temperature monitoring. Our commitment to operational reliability ensures ideal conditions for demanding measurement tasks, even under extreme conditions such as in the maritime industry.
Pressure
- Compact-Pressure Switches
- High-Pressure
- Low-Pressure
- Pressure Transducers
- Pressure Switch, electronic
- Differential Pressure Switches
Level
- Single Level Switches
- Tank Level Gauging
- Multi Level Switches
- Elecronic Level Probes
- Bypass Level Indicators
PRESSURE
Precision pressure monitoring and control solutions for demanding water applications
Compact-Pressure Switches
- Adjustable ranges: 1 – 600 bar
- Adjustable or fixed set points
- Nema 1, 4, 4X, 7, 9
- Compact, rugged, economical
- Approved models available:


High Pressure Compact-Pressure Switches
- Adjustable ranges: up to 950 bar
- High proof pressure
- Rugged, economical
- Approved models available:


Low Pressure
- Adjustable ranges: up to 34 bar
- Accurate and reliable switch
- Adjustable during operation with corresponding reference device
- Approved models available:


PRESSURE SWITCH, ELECTRONIC
- Measuring ranges: Vacuum, 0…200 mbar up to 0…600 bar
- 1 or 2 switch points, adjustable
- Records and stores peak pressure
- Digital multifunction display
- State-of-the-art micro processor control
- Easy-to-use menu control
- Easy programmable
- Self diagnostics
- Option: Analog output 4 – 20 mA/0 – 10 VDC
- IP65/67
- Approved models available:




DIFFERENTIAL PRESSURE SWITCH
- Measuring ranges: Differential pressure: 0 – 350 mbar to 0 – 35 bar
- System of protection: Type 4X (IP65) / Type 6 (IP67)
- 2 switch points
- Analog output 4 – 20 mA or 0 – 10 V
- Superior EMI protection
- Rotatable 320° display & electronical connection
- Approved models available:


LEVEL
Reliable temperature monitoring and control for water treatment processes
Single Level Switches
- One switchpoint (SPST or SPDT reed contacts)
- Vertical or horizontal mounting
- Protection class IP54 / IP68
- Approved models available:


Tank Level Gauging
- Continuous level measurement
- Accuracy: 4 – 16 mm version (grid)
- Mounting: vertical or custom made
- Integrated transmitter
- Optional: Interface level measurement
- Output: 4 – 20 mA, 0 – 10 V or ohmic
- Max length from mating surface: max. 6000 mm
- Approved models available:




Electronic Level Probes
- Continuous level measurement
- Probe material CuNiFe alloy or stainless steel
- Measuring height: 0 – 200 m water (0 – 656 ft WS)
- Signal output: 0 – 10 V or 4 – 20 mA
- Approved models available:


Bypass Level Indicators
- Continuous level indication, purely mechanical, no power needed
- Temperature up to 320 °C
- Operating pressure up to 250 bar
- Stainless steel versions
- Mounting tankside or from top to down
- Max. measuring length: 5700 mm (one piece)
- Optional:
- Transmitter 4 – 20 mA
- interface
- Bi-stable reed switch usable as limit switch - Approved models available:


FLOW
Reliable temperature monitoring and control for water treatment processes
Flow Switches
- Pipe size: G1/4”…G1 1/2”
- Stainless steel or nickel plated brass
- Variable area flow meter
- Calibrated scale with viscosity compensation up to 600 cSt available
- Optional visual indication
- SPST or SPDT output
- Approved models available:


Barksdale's Customized Solutions
Tank Gauging
Precise level measurement for fuel, ballast, and cargo tanks with continuous monitoring and alarm systems.
Propulsion Systems
Pressure and temperature monitoring for engines, gearboxes, and propulsion equipment.
Hydraulic Systems
Comprehensive pressure monitoring for steering, winch, and crane hydraulic systems.
Exhaust Gas Scrubber Systems
Level and pressure monitoring for environmental compliance systems.
Auxiliary Systems
Monitoring solutions for cooling, lubrication, and auxiliary machinery systems.
Marine Approvals at a Glance
Comprehensive certification for international maritime standards
Product Certifications






Global Presence
With facilities in North America, Europe and Asia, we're positioned to support you worldwide
Shanghai, China
33F Huaihai Plaza, No 1045
Central Huaihai Road
Shanghai 200031, P.R.China