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BC/BC-HP

balanced double cartridge seal

BC

The Huhnseal BC series is a new type of seals designed for various heavy-duty applications where durability is key. This is a robust, reliable and cost efficient seal suitable for standardization in larger process industries but also for customers with a more limited amount of positions.

During the development of the BC-series, main focus has been on toughness, adaptability to different pressure conditions, reliability and easy handling. The BC is an efficiently balanced seal, to minimize heat generation. It is also double-balanced in order to handle pressure drops on either

product or buffer side without ever failing.

 

Features

- Design suitable to high speeds

- Design suitable to high pressures over 40 bar (BC-HP)

- Good axial and radial flexibility

- Static spring packages isolated from product and atmosphere, suitable to aggressive or dirty environments

- Easy and safe to install


BC series brochure rev.2 [2 MB]

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1 Excellent axial movement

The seal can move ± 2,0 mm independent of the compression of springs. The seal follows the movement of the shaft without influencing the compression of springs. This feature is essential when sealing equipment with flexible bearing units.

2 Spring package is kept clean by the flushing

The springs are located in the area circulation and the exchange of barrier fluid is the greatest. This eliminates the risk for clogged-up springs, which is one of the most common causes for seal failure.

3 Adaptable flushing connectivity

Four different ways to connect the flushing media to the flange. Axially, horizontally or a mix of both.

This feature facilitates the installation of the seal in confined spaces and allows for obstructing equipment to be bypassed.

4 Inovative inverted flange/cover design

The flange configuration with imboard cover. This reduces the cost of the seal by lowering the amount of expensive material potentially in contact with abrasive or corrosive media.

5 Clever double balancing

The seal is double balanced using a “floating” o-ring design. This enables the seal to handle sudden pressure variations. This also makes it possible to reduce heat generation.

6 Symetric design optimized for standardization

The seal faces used on the product side can also be used on the atmospheric side. This allows for all internal parts to be used on both sides for high standardization purposes.

This product can be used in the following areas:

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