Shaft Seals; Electrical Data; Disposing Of The Product - Grundfos NBS Serie Notice D'installation Et De Fonctionnement

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11.1.8 Shaft seals

The operating range of the seals is described for two main

applications: pumping of water or pumping of coolants.

Seals with a temperature range of 32 °F (0 °C) and up are mainly

used for pumping water, while seals for temperatures below 32 °F

(0 °C) are mainly intended for coolants.

Shaft seal diameter [mm]

Shaft seal type

Bellows seal, type B,

unbalanced

O-ring seal, type D,

balanced

See the motor nameplate.

This product or parts of it must be disposed of in an environmentally

sound way.

1. Use the public or private waste collection service.

2. If this is not possible, contact the nearest Grundfos company or

service workshop.

The crossed-out wheelie bin symbol on a product

means that it must be disposed of separately from

household waste. When a product marked with this

symbol reaches its end of life, take it to a collection

point designated by the local waste disposal

authorities. The separate collection and recycling of

such products will help protect the environment and

human health.

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