STJH-AIRTIGHT-SHUT-OFF-DAMPER-400X270-MANUAL

Airtight Shut-Off Damper 400 x 270 mm Manual Gas-Tight

Compact handwheel isolation with mechanically retained sealing.

Positive mechanical closure is retained after the operator releases the wheel.
The shallow rectangular opening suits small containment branches.

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Ürün tanıtımı

A welded channel casing supports a sealing frame and driven blade mechanism. Turning the handwheel moves the blades through an over-centre linkage, pressing them against the seal and retaining the closed position without an external energy supply.

Ana Özellikler

Positive mechanical closure is retained after the operator releases the wheel.
The shallow rectangular opening suits small containment branches.

Teknik parametreler

Opening	400 × 270 mm
Drive	Manual handwheel
Casing Thickness	3 mm
Casing Finish	RAL 7001 powder-coated galvanized steel
Seal Material	Neoprene rubber foam
Closed Leakage	Maximum 0.0028 (l/s)/m² at 2000 Pa
Closing-Direction Pressure	Maximum 5000 Pa
Seal Temperature Limit	80 °C
Locking Principle	Over-centre linkage
Customization (Özelleşme)	Available for the intended isolation duty and operating environment.

Applications

Manual isolation of containment ventilation
Maintenance shut-off on small laboratory ducts

Solutions for Your Application

The closed seal must remain engaged without electricity.

The over-centre mechanism retains compression mechanically.

A conventional balancing blade leaks too freely when closed.

A dedicated sealing frame receives the blade at the end of travel.

Mevcut Seçenekler

Drilled connection flanges
Open and closed limit switches

Planning a Airtight Shut-Off Damper 400 x 270 mm Manual Gas-Tight specification?

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