STJH-BUBBLE-TIGHT-ISOLATION-DAMPER-152X152

Bubble-Tight Isolation Damper 152 x 152 mm

A small square isolation blade for tightly sealed branch shutoff.

The compact passage suits localized isolation points.
Replaceable perimeter sealing separates seal maintenance from the welded blade.

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Product Introduction

The square double-skin blade pivots about a full-length central axle inside a flanged steel body. A mechanically retained silicone perimeter seal contacts the frame when closed, while external bearings keep the shaft supports accessible.

Key Features

The compact passage suits localized isolation points.
Replaceable perimeter sealing separates seal maintenance from the welded blade.

Technical Parameters

Nominal Opening	152 x 152 mm
Blade Geometry	Square, centre-pivoted double skin
Body Options	Painted steel, 304L or 316L stainless steel
Axle	Full-length stainless steel
Blade Seal	Mechanically fastened silicone
Connection	Square flanges
Leakage Configuration	Bubble-tight, AMCA 500-D method
Velocity / Pressure Limits	20.3 m/s / 2.5 kPa
Temperature Range	-40 to 121 °C
Customization	Available for the branch connection and intended process environment.

Applications

Small containment exhaust branches
Local isolation around decontamination equipment

Solutions for Your Application

A small branch still requires positive sealing around the full opening.

The square blade carries a continuous perimeter sealing element.

Shaft penetrations provide additional leakage paths.

The external bearing arrangement includes integral axle seals.

Available Options

Stainless steel body
Manual or powered operation
Flange drilling patterns

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