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Model SV Venturi Valves are airflow variable volume control air valves with minimum flow being zero. They are designed to maintain a constant flow rate in the face of changing duct static pressures at a given shaft position.

Accessory for certain Airflow Instruments products

Accessory for a number of TSI products.Request A QuoteOther Models AvailableDescriptionRequest a Quote964-ACIncludes ISO 17025 accreditation for air velocity, temperature and humidity. request a quote

USB cable accessory.

Vacuum system accessory

Anti-bounce Silicone Spray from TSI is used to eliminate particle bounce on the stages of all TSI cascade impactors. 

High flow inlet filter used with the 5300 Series Flow Meter in low pressure applications.

Verification module for QUESTemp 3X Series: QT°32, QT°34, QT°36

Water-resistant case holds tri-sensors for QUESTemp 3x and 4x Series, QT-32, QT-34, QT-36, QT-44, QT-46, QT-48N, 2-inch globes and accessories

Purge filter assembly for use with AeroTrak®+ 0.1 CFM Remote Particle Counters.