Flowserve BGM Dura Seal User Manual

Installation instructions, Bgm dura seal, Experience in motion

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Installation

Instructions

Experience In Motion

BGM Dura Seal

The Flowserve BGM

Dura Seal

is designed to keep bearing lubricant in the bearing frame. At

the same time, it keeps contamination out of the bearing frame. The BGM

Dura Seal

consists

of two major components: a stator assembly and a rotor assembly. The seals work in

conjunction with a "bull's-eye" sight gauge to completely isolate the bearing frame from

harmful contamination.

Temperature changes in the bearing housing will result in pressure fluctuations. Conventional

"constant level" oilers are not recommended. They are intolerant of such small pressure

changes.

Atmospheric Sealing of Bearing Frame

To isolate the bearing frame from environmental conditions such as high humidity, steam or

condensation, the following steps must be taken before seal assembly.

1. Remove bearing housing vents. They are a path for contamination.

2. Plug each vent.

3. Remove the "constant level" oiler

and replace it with a "bulls eye"

sight gauge. See Figure 1.

A minimum

3

/

8

" - 18 NPT tapped

hole must be provided to

accommodate the sight gauge.

4. When applying on equipment

using oil mist lubrication, provisions

must be made to allow oil mist flow

through the bearing housing.

Plug Vent

"Bulls Eye"

Sight Gauge

BGM

Dura Seal

Remove

"Constant Level"

Oiler

Stator Installation

Figure 1

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