Authorized Use; Restrictions; Predictable Misuse - Burkert 8718 Operating Instructions Manual

Type 8718, 8719 / 8708, 8709

Authorized use

2. AUTHORIZED USE
Non-authorized use of the LFC / LFM Types 8718, 8719 / 8708, 8709 may be a hazard to people,
nearby equipment and the environment.
• The LFC Types 8718 and 8719 are designed for controlling the flow-rate of clean and low-viscosity
liquids.
• The LFM Types 8708 and 8709 are used exclusively for measuring the flow-rate of clean and low-viscosity
liquids.
• Only the fluids stated on the rating plate and on the calibration protocol may be used for operation.
• If used outdoors, the device must be protected from the elements. Protect against humidity and direct
sunlight and observe the permitted ambient temperature.
• During use observe the authorized data and operating conditions specified in the contract documents
and operating instructions, as well as the range of applications described in chapter 5.1.
• Correct transportation, storage and installation, and careful use and maintenance, are essential for relia-
ble and faultless operation.
• Use the device only as intended.
2.1.

Restrictions

If exporting the system/device, observe any existing restrictions.
2.2.

Predictable Misuse

• The LFC / LFM Types 8718, 8719 / 8708, 8709 must not be used for controlling / measuring the flow-rate of
fluids containing particles (particle size > 20 µm).
• Do not operate the device without the stainless steel mesh filter disc installed at the factory.
• Do not feed any other fluids into the system other than the designated operating fluid indicated on the
device type plate.
Exception: Agent for cleaning and decontaminating the device (see also chapter 9.2.1).
In doing so, observe the resistance of the materials used in the device. The Chemical Resistance Chart
can be found on the Internet at:
country.burkert.com
If in doubt, contact the manufacturer.
• Do not operate the device in an mounting position which deviates from the calibration conditions.
• Do not put any loads on the housing (e.g. by placing objects on it or standing on it).
• Do not make any modifications to the device housings. Do not paint the housing parts or screws.
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