Aquestia DOROT S100 Installation Operation & Maintenance

DOROT.QR.2W. 68-215.IOM.EN.1224
Installation, Operation & Maintenance
Control Function QR, Quick Pressure Relief Valve
Applicable models:
1. Function Description
DOROT S100 QR 2W 68-215, is an automatic, 2-way pilot-controlled quick pressure relief
valve. The valve maintains a closed position if the system pressure is lower than the preset
pressure, and instantly opens once the pressure reaches the preset value. The valve closes at a
slow, adjustable pace.
2. Technical Features
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Medium: Water; natural, non-aggressive fluids, other (contact Aquestia).
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Pressure rating: 10 bar (145 psi).
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Temp. range: 2 – 80ᵒC (35 - 176ᵒF).
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Flow speed for continuous operation: 0.1 – 5.5 m/sec (0.3 – 18 ft/sec).
Maximal flow speed for intermittent operation: 8 m/sec (26 ft/sec).
Notes:
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If the designed/actual operating conditions on-site are incompatible with the definitions
above – please contact Aquestia application engineering.
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Refer to the specific valve model publications for further details.
3. Safety Guidelines
Before using this product:
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Read and understand the instructions and save them for future reference.
Before disassembly of any accessory or component:
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All internal pressures must be relieved, and all media drained from the system in
accordance with all applicable procedures.
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Pressure must be 0 (zero) bar/psi.
Please note:
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Damage to the system/surroundings may occur if installation, commissioning, operation, or
maintenance instructions are not followed, or if applicable codes of practice and
regulations are ignored.
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Electrical works, (e.g., connection of solenoid valves, limit switches etc.), must be
performed by a certified electrician.
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Errors in the layout design, installation or operation may affect the valve performance and
pose a risk to the system and/or the operator/users.
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The system layout, installation, and commissioning are the responsibility of the system
designer, installer and/or user.
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In any case of doubt and prior to taking any further action, please contact an Aquestia
representative for assistance.
 Failure to follow the instructions set forth in this publication could result in property damage,
personal injury, or death from hazards that may be associated with this type of equipment.
Quick Pressure Relief Valve (QR)
S100
Sizes: 1½
" – 4" / 40 - 100mm