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Introduction To D-type Rotary Joint

Views: 1862     Author: Site Editor     Publish Time: 2024-10-14      Origin: Site

Introduction To D-type Rotary Joint


The D-type rotary joint adopts double end face sealing, and the hollow shaft is connected to the roller or roll through threads or flanges, which is the main rotating component and moves synchronously with the equipment.  The sealing ring, hollow shaft, and bellows compensator together form a floating double end face sealing friction. The sealing ring is made of impregnated carbon graphite and has good self-lubricating properties. With the wear of the sealing ring, it is compensated at any time by the bellows compensator with the help of the pressure of the spring.  The use of bearings not only provides support, but also improves rotational accuracy and reduces friction torque.


D-type rotary joints are divided into one-way flow and two-way flow according to the flow mode

Specific connection method of D-type rotary joint:


Dd type unidirectional flow type - threaded connection

Dd-F Unidirectional Flow Type - Half Ring Flange Connection

DS-G Bi directional Flow Internal Tube Fixed Type - Threaded Connection

DS-GF bidirectional flow fixed inner pipe - semi split ring flange connection

DS-X bidirectional flow inner tube rotating type - threaded connection

DS-XF bidirectional flow inner tube rotating type - semi split ring flange connection


Maintenance of D-type rotary joint:

1、 Regularly inspect the filtration device or dust removal equipment, check the filter screen, and replace it regularly.

2、 There should be a small amount of idle during use to allow the structure and connections inside the D-type rotary joint to break in.  Formal use is prohibited from idling.  If the connector does not work properly, please contact the manufacturer in a timely manner for inspection or replacement of the product.


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