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Instrumentos de ensaio e validação de sala limpa
Dispositivo de medição de fluxo de válvula de ar
A compact cone-type airflow measurement device for direct supply and extract volume-flow checks at circular disc valves and small ventilation terminals.
- Full-flow capture at circular air valves.
- Integrated straightener controls swirl effects.
- Compact bidirectional direct-flow display.
Introdução do produto
This device seals a shaped low-resistance cone around a circular air valve and guides the full stream through an integrated flow straightener and sensing grid. The detachable digital meter displays supply or extract volume flow without requiring a separate area calculation. Its compact mouth is easier to position on small ceiling and wall terminals than a full-size capture hood.
Características-chave
Integrated straightener reduces swirl-related measurement variation.
Reversible sensing supports supply and extract terminals.
Direct volume-flow display removes manual area conversion.
Soft perimeter seal limits bypass around the valve face.
Compact handheld format suits congested ceiling locations.
Preocupações do produto do cliente
Circular air valves generate curved and swirling flow patterns that are difficult to quantify with a point sensor and often sit where a full-size hood cannot be positioned.
Point velocity readings are unreliable in the swirling flow near a disc valve.The cone captures the full stream and the straightener conditions it before measurement.
Air bypass around the measuring device understates terminal flow.A compliant perimeter gasket seals against the surrounding ceiling or wall surface.
Large capture hoods are awkward around closely spaced ceiling services.The compact circular cone reaches small valves with less clearance.
Supply and extract checks may otherwise require different setups.Bidirectional sensing reports both flow directions through the same cone.
Aplicações típicas
Circular ceiling air-valve balancingCleanroom supply terminal verificationExtract valve flow checksSmall grille commissioningRoutine ventilation maintenance
Parâmetros técnicos
Representative compact valve-flow device dimensions are listed below; cone diameter, handle reach and measurement range can be selected for terminal size.
| Material principal | Molded engineering-polymer cone, elastomer perimeter seal and differential-pressure sensing grid |
|---|---|
| Painel de espessura | Typically 2.5-4.0 mm for the molded cone wall |
| Largura efetiva | Approximately 250-350 mm across the capture mouth |
| Comprimento máximo | Approximately 400-550 mm including handle and display |
| Aço enfrentando espessura | Typically 0.5-0.8 mm for stainless sensing-grid elements |
| Densidade Core | Approximately 1050-1200 kg/m³ for the engineered polymer cone |
| Condutividade térmica | Approximately 0.18-0.25 W/(m·K) for the engineered polymer housing |
| Superfície acabado | Matte white capture cone with graphite handle, black seal and blue-gray display |
| Tipo conjunto | Detachable meter coupling with sealed cone-to-grid interface and soft valve-face gasket |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
Multiple cone mouth diametersSupply/extract bidirectional meterTelescopic support handleWireless displayProtective transport bagTraceable calibration service
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