STJH-VENTURI-AIRFLOW-CONTROL-VALVE-12IN-SINGLE

Venturi Airflow Control Valve 12-Inch Single

Higher-flow single Venturi valve for demanding room supply and exhaust.

One enlarged throat reduces assembly complexity.
External positioning equipment is accessible without opening the air passage.

Introduction de produit

The larger single-body throat gives a 12-inch branch a wider operating range without using parallel valves. Stainless fabrication surrounds the mechanically compensating cone, with an external actuator changing the commanded flow as the room requirement varies.

Key Features

One enlarged throat reduces assembly complexity.
External positioning equipment is accessible without opening the air passage.

Paramètres techniques

Nominal Diameter	12 in
Configuration	Single body
Body Alloy	316 stainless steel
Flow Capacity	90–1500 cfm
Flow Accuracy	±5% of command at 150–750 Pa for medium-pressure duty
Pressure Response Time	Less than 1 s
Electrical Input	24 VAC, 50/60 Hz
Ambient Range	0–50 °C
Internal Control Element	Spring-compensated translating cone
Customisation	Available to match the intended critical-space application and environment.

Applications

Larger fume-hood exhaust connections
High-demand clean manufacturing room supply

Solutions for Your Application

A smaller valve limits the maximum room purge flow.

The enlarged single body extends the available upper airflow range.

Duct pressure changes faster than the room controller.

Mechanical cone movement compensates before a new electronic command is required.

Options disponibles

Supply insulation
Actuator speed and feedback options

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