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PDFs


Catalogue Technical Specification
Load_Data_for_Oil_Level_Sight_Glasses_GN743_GN743.1_GN743.2_GN743.3_GN743.4_GN743.5.pdf

CAD Data


3D CAD Files
2D CAD Files
GN743.3 Type A 3D CAD Model
GN743.3 Type B 3D CAD Model

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GN743.3 Oil Level Sight Glass, Brass & ESG Glass

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GN743.3: Oil Level Sight Glass
Type: A - with Reflector



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GN743.3: Oil Level Sight Glass
Type: B - without Reflector



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Type A - with reflector

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Product Description

GN743.3 Oil Level Sight Glass, Brass & ESG Glass

Oil level sight glasses GN 743.3 offer the following features: highly stable, scratch proof glass. The sealing is achieved with an O-ring on the periphery and not on the face edge of the glass. Leak tightness is therefore not affected by axial pressures.

The outside diameter of these oil level sight glasses with recessed hexagon is chosen to match mounting holes for tube connections according to DIN 3852.

The seal is housed in a groove and it can therefore not be lost. In addition, this groove prevents the seal from being extruded when the sight glass is tightened. The location of this seal allows also the use of a softer Elastomer which guarantees better and easier sealing.

Oil level sight glasses GN743.3 can be used on pressurised oil tanks. Tests regarding maximum pressure are available on request.

These oil level sight glasses are also suitable for applications with subpressure.

Assembly Instructions

When mounting oil level sight glasses on walls of less than 4 mm thickness please use fixing nuts GN543.1.

Specification

Body - Brass MS, CuZn40Pb2.

Reflector- Technopolymer (Polysulfon).

Sight glass - ESG glass, temperature resistant up to 180°C.

Sealing ring - Rubber, FPM (Vitn).

Accessory

Fixing nuts GN543.1

On Request

EPDM seal

Related Series


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GN743.3 Oil Level Sight Glass Brass Sight Glass ESG Glass Sight Glass with Reflector Scratch Proof Sight Glass Oil Level Sight Glass with Seal Sight Glass for Pressurised Oil Tanks Sight Glass for Subpressure Applications