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Installation Instructions for the 6 1/2" to 12" ELSJ Rotary Joint

Effective: May 1, 2024

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Introduction

Read all of the instructions before proceeding.

Refer to Kadant Johnson assembly drawing for part identification and to drawing A37640 for torque specifications. For easy identification, parts used in individual steps are often accompanied with their position in the assembly drawing [e.g. gasket (8B)]. Tighten all fasteners in a star pattern. Certified drawings are available upon request. Dimensions are for reference only and subject to change.

Bolt-Torque
How to Torque a Flange

Safety

warning symbol

This safety symbol alerts you to risk of death or injury if the instructions are not followed. In all steps, death or injury may result if the machine is not de-energized, depressurized, cooled, and stopped. Death or injury may occur if the product is operated with a fluid type or at a pressure, temperature, or speed that do not meet its specifications. Death or injury may occur if heavy parts and pinch hazards are not handled properly. Follow your company’s safety procedures.

Step 1

Remove all debris from inside the piping and roll.

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Equipment must be cool and free of pressure.

Step 2

Remove the head assembly (2 and 2A).

Step 3

Slide the nipple flange (5) over the nipple (4). Install the split wedges (55) into the recess of the nipple. Slide the nipple flange over the wedges.

Step 4

Place a new metal gasket (8Q) into the journal flange. Install the rotary joint by inserting the nipple into the journal flange and securing the studs with nuts.

Note: The nipple flange will not seat tightly against the journal flange. There should be an even gap between the flanges.

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Heavy object. Rigging or hoist is recommended for installation.

Step 5

Attach the head assembly to the syphon. Make sure gasket (8) is installed on the body. Install the head assembly (2 and 2A).

Step 6

Connect piping to rotary joint using Kadant Johnson flexible metal hose.

Important: Refer to Flexible Hose Installation.

Flexible Hose Installation
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Recommended Minimum Hose Lengths
Hose Diameter Minimum Length
4" 28" (700 mm)
5" 30" (750 mm)
6" 33" (850 mm)
8" 36" (900 mm)
10" 40" (1000 mm)

Step 7

Install anti-rotation device.

Important: Refer to Anti Rotation Rod Installation.

Anti Rotation Rod Installation
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Recommended Sizes for Anti-Rotation Rods
Joint Size Model Number Rod Size Up To 250 psi (17 bar)
6.50" 1050 1.25" 4140 Steel Bar
8.75" 1150 2.38" 4140 Steel Bar
10" 1200 1.75" 4140 Steel Bar
12" 1400 2.50" 4140 Steel Bar

Step 8

Check the rotary joint regularly to determine seal wear. Locate the shoulder on the nipple. As the seal ring wears, the shoulder will become more visible. Refer to the image and maximum seal wear table.

MAXIMUM SEAL RING WEAR
Joint Size Model Number Seal Wear
6.50" 1050 0.70" (18 mm)
8.75" 1150 0.75" (19 mm)
10" 1200 1.00" (25 mm)
12" 1400 1.00" (25 mm)

Questions or Comments?

If you have installation questions or comments to improve these instuctions, we are here to help! Fill out the form below or call 269-278-1715.






IS-6 1/2" to 12" ELSJ

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The Kadant Johnson Warranty
Kadant Johnson products are built to a high standard of quality. Performance is what you desire: that is what we provide. Kadant Johnson products are warranted against defects in materials and workmanship for a period of one year after the date of shipment. It is expressly understood and agreed that the limit of Kadant Johnson’s liability shall, at Kadant Johnson’s sole option, be the repair or resupply of a like quantity of non-defective product.

Kadant Johnson rotary joints and accessories could be subject to European Pressure Equipment Directive 2014/68/EU (PED). Modifications or changes to rotary joints and/or accessories are only permitted upon approval of Kadant Johnson. Only genuine Kadant parts and original accessories will ensure the safety of these assemblies. The use of other than original parts voids the warranty and will lead to forfeiture of the declaration of conformity and will invalidate any liability for damages cause thereby.