BARIQ BRQ-9000HF – Pressure Independent Control Valve (PICV)
The BRQ-9000HF is a heavy-duty Pressure Independent Control Valve designed for HVAC chilled and hot water applications.
It integrates three essential functions in one compact valve body:
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Differential Pressure Controller – maintains constant ΔP across the control path.
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Modulating Control Valve – provides precise temperature and flow regulation.
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Presettable Flow Limiter – ensures maximum flow is limited regardless of pressure variations.
This design guarantees accurate flow control, energy efficiency, and simplified commissioning without the need for separate balancing valve
Key Features
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Pressure rating: PN16 (16 bar)
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Differential pressure operating range: 30 – 400 kPa
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Temperature range: 1°C to 110°C
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Leakage rate: Class IV (≤0.01% of Qmax)
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Flow accuracy independent of system pressure fluctuations
Maintenance-free operation
Materials
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Body: Ductile Iron EN-GJS-400-15 / ASTM A536, FBE epoxy coating ≥300 μm
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Bonnet: Ductile Iron, epoxy coated
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Stem & Spring: Stainless Steel (AISI 304 / 316)
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Trim / Internals: Brass / Stainless Steel / PPS
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Seat & Disc: PTFE reinforced / Stainless Steel (tight shut-off)
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Seals: EPDM (EN 681-1, suitable for chilled & hot water
Technical Data
|
Size |
Qmin (m³/h) |
Qmax (m³/h) |
Δp range (kPa) |
Kvs |
|---|---|---|---|---|
|
DN65 |
5.9 |
24.0 |
30–400 |
24 |
|
DN80 |
9.2 |
34.0 |
30–400 |
34 |
|
DN100 |
13.0 |
48.0 |
30–400 |
48 |
Applications
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Fan Coil Units (FCU)
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Air Handling Units (AHU)
- Heat Exchangers
