SLA-S-Y Overfill Protection & Earthing Systems Alptec Safety

Alptec Safety Equipment Co., Ltd specializes in the design, manufacture, and supply of high-quality Overfill Protection as well as Static Grounding Systems and Earthing Clamps, Reels, and accessories for the chemical, petrochemical, oil, gas, and process industries that transport, store, transfer and use solvents or combustible liquids in hazardous areas.

SLA-S-Y Static Ground Monitoring Systems :

An electrostatic grounding controller can lead the static electricity generated in the process of liquid transfer to the ground, and can also automatically detect the grounding situation throughout the process.

When the loop is disconnected (the detection resistance value is greater than 60Ω), an audible alarm is issued, and the switching signal is output at the same time to perform interlocking control with third-party equipment to ensure the effective connection between the tank truck and the grounding pile and ensure the reliable discharge of static electricity.

SLA-S-Y electrostatic grounding controller is the electrostatic part of the SLA-S-Y oil spill electrostatic protector, which is composed of a controller, electrostatic grounding clamp, working status board, and grounding wire. It is suitable for the automatic filling control system that needs to use electrostatic grounding protection alone, such as liquefied gas loading and unloading, railway trestle, and other places.

Performance characteristics:

•  Output switching value signal, interlock control and realize system automation
•  Power supply voltage 24VDC or 220VAC optional
•  Check that the ground loop resistance is less than 60Ω to ensure that the car body is well grounded

Technical Parameters:

• Input Power: 85VAC to 250VAC 50Hz
• Input Current: ＜60mA
• Output Signal: On-Off signal
• Monitoring Set Point: 10 ohms
• Alarm: Visible alarm
• Spiral Cable: Extendable to 5.3m (17.4ft.)
• Output Safety Parameters:
  • Um:250VAC,Uo:14.28VDC,Io:27.2mA,Po:97mW,Co:4.17μF,Lo:192m

• Indicator: Lamp (Green=satisfactory ground and red=no ground)
• OperationTemperature: -20℃ to +55℃(-4℉ to +131℉)
• EU-Type Examination Certification No.: Presafe 16 ATEX 8909X
• QAN Certificate No.: Presafe 16 ATEX 7744Q
• Standard:EN60079-0,EN60079-1, EN60079-11
• ApplicableDirective:2014/34/EU

SLA-S-Y Overfill Protection Systems / anti-overflow controller :

During the top filling process of liquid oil / chemical products, the anti-overflow controller can automatically monitor the liquid level, when the liquid level reaches a predetermined safe height, it will give an audible and visual alarm, and at the same time output the switch signal, and third-party equipment Carry out interlocking control to avoid the occurrence of oil spills and ensure the safe operation of tank truck filling operations.

The SLA-S-Y type anti-overflow controller is the anti-overflow part of the SLA-S-Y type oil spill electrostatic protector. The product is composed of the controller and the UZK-02 liquid level switch. It is suitable for automatic filling control systems that need to use anti-spill protection separately, such as railway trestles and other places.

The Overfill Protection Systems are to detect a liquid point level signal from an overfill sensor. The system provides an automatic signal to the rack automation equipment to shut off the flow of liquid, and warn of an impending overflow condition of a tank truck.

Performance characteristics:

• The "piezoelectric" liquid level switch is used, which is sensitive, stable and reliable;
• The liquid level sensor has a fault self-checking function, which is convenient for inspection and maintenance;
• Output switching value signal, perform interlocking control, and realize system automation;
• The power supply voltage is 24VDC or 220VAC, and the adaptability is good;

Technical Parameters:

• Working voltage: 24VDC / 220VAC
• Explosion-proof grade: ExdiaIIBT4 Gc
• Working current: <60mA
• Alarm value of grounding resistance: <60Ω
• Response time: <2 seconds
• Alarm mode: sound and light alarm
• Temperature range: -40 ℃ ～ + 60 ℃
• Output signal: 10A, 30VDC or 10A, 250VAC

SLA-S-Y Total Overfill Protection & Grounding Systems :

The oil spill electrostatic protector can detect the liquid level of the tank car through the liquid level switch during the oil filling process, and the grounding state of the car body through the electrostatic grounding clip. If the liquid level reaches the upper limit or the grounding resistance exceeds the standard, an audible and visual alarm is issued. Prompt, at the same time output the switch value signal to the quantitative loading system, stop the oil distribution, and avoid oil spills and static accidents.

SLA-SY type is a simple design of oil spill electrostatic protector, simple structure, clear function, only provides basic functions of sound and light alarm and signal to interlock, for different places, can also be split and selected for flexible use, high economic and practical.

The whole set of equipment is composed of a controller, liquid level switch, electrostatic grounding clamp, and grounding wire.

Performance characteristics:

• Output switching value signal, interlock control and realize system automation
• Adopt a "piezoelectric" liquid level switch, stable and reliable
• Check that the ground loop resistance is less than 60Ω to ensure that the car body is well grounded

Technical Parameters:

• Working voltage: 220VAC ± 10%
• Explosion-proof grade: ExdiaIIBT4 Gc
• Working current: <60mA
• Alarm value of grounding resistance: <60Ω
• Response time: <2 seconds
• Alarm mode: sound and light alarm
• Temperature range: -40 ℃ ～ + 60 ℃
• Output signal: 10A, 30VDC or 10A, 250VAC

ref: http://www.alptec.com/