Rotofluid 20 Series Manual

20 SERIES INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
WARNING
Unless specified; ROTOFLUID rotary joints must not be used with Hydrocarbons or Flammable
Mediums. Leaking may result explosion or fire.
Document No: TL 7 91 EN Release Date: 01.01.2015
Medium: Hydraulic, Pneumatic, Vacuum
Max. Pressure: 10 bar (150 psi)
Max. Vacuum: 94 kPa (700mm Hg)
Max. Temperature: 120⁰C (250⁰F)
Max. Speed: 3,000 RPM
- Do not work with max. pressure at max. speed.
- All ROTOFLUID products are leakage tested before shipment. Disassembling or dismantling the joint
invalidates the warranty.
- Operator should not make any modification or attachments and retroffiting of the rotary joint without
manufacturers’ consent is prohibited.
- It is important to use correct hand of rotary connection thread to ensure the Rotary Joint will not
unscrew.unscrew.
- ROTOFLUID Rotary Joints may only be installed by personel who have experience and knowledge
about rotary joints and plumbing systems.
- For safe operation only use genuine ROTOFLUID spare parts.
- For safe operation only use hoses which are appropriate for the media.
- Follow engineering specifications of the machine builder.
- 20 Series Rotary Joints are designed to work with the interpassing medium. Do not run dry very long
time. If application needs dry running, please consult factortime. If application needs dry running, please consult factory.
- For SAE3000&6000 connections, please consult factory.
- Medium filtration must be lower than 60µ. Life of the joint increases with higher filtration.
INSTALLATION
- Do not connect Rotary Joint directly to piping. Rotary Joints are designed to float with the flexible
hoses.
- Install hose with curve in direction of rotation.
- Flexible hoses must not be twisted during operation. Use proper pipe fittings.
- For air and hydraulic use rubber or steel flexible hoses.
Rev No: 0
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20 SERIES INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Document No: TL 7 91 EN Release Date: 01.01.2015 Rev No: 0
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- 20 Series rotary Joints are designed to work with ball bearings need lubrication periodically while in
operation.
- Do not apply too much grease on ball bearings. Over greasing will result damage of the bearings.
- All 20 Series Rotary Joints are equipped with grease relief valve to protect ball bearings from over
greasing.
- Always use fresh grease to the ball bearings.
- Before maintenance, be sure that no feed pressure is applied.
- If the rotary joint is defected and leaking occurs, replace seals with new ones and do not work with
leaking joints.
LUBRICATION
1. First hold the housing of the joint with a bench wise. Do not clamp
too tightly, it will damage housing or bearings.
2. Apply sealant/adhesive or teflon tape to the threads of the
hoses and assemble them to the housing.
4. If shaft outlets are threaded, apply sealant/adhesive or teflon
tape to the threads of the outlet hoses and assemble to the
shaft.
3. If housing connections are SAE Flange, place o-rings into the
grooves and fix flanges of the hoses with appropriate bolts.
10. Do not pipe direclty. It may create excessive side loads and
damage the joint.
11. Attach an anti rotation rod to anti rotation connection of the
housing. Be sure that one end of the rod is fixed to the housing and
the other end floats freely.
12. Rigid connection of the anti rotation rod will damage the joint.
13. If shaft flange connections are threaded; connect hoses on the
shaft to the machine connections.
14. Connect hoses on the housing to the supply lines.
5. Clean rotating joint flange face and machine bore surface
before assembling.
7. Align rotating joint flange and machine bore flange.
9. If shaft outlets are threaded, align shaft outlets with machine
connections and fix the shaft to the machine with appropriate bolts.
6. If shaft outlets are with o-rings&grooves; place o-rings into the
grooves of the shaft flange and apply grease slightly to fix the o-rings
inside the grooves.
8. If shaft outlets are with o-rings&grooves; align flange plot bore and
flow channels to the machine bore and flow channels; fix the shaft
to the machine with appropriate bolts.
16. After assembly; control rotation of joint. If any wobble, vibration,
knocking or noise show up or if any eccentricity seems; disassemble
the joint from the machine and assemble it again.
15. After assembly, check rotating joint for leakage. A small amount of
leakage may be seen in the starting period. Never use leaking joint.
MAINTENANCE
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20 SERIES INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Document No: TL 7 91 EN
20 SERIES SPARE PARTS
Release Date: 01.01.2015 Rev No: 0
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Repair kits are available for 20 Series and can be supplied by ROTOFLUID.
If you don’t want to repair your rotary joints, ROTOFLUID will disassemble the joints, clean and replace
worn out parts and all sealing tests will be made and joints will be shipped as good as a new joint.
n changes according to number of ports
Small Spare Parts Kit
- (3) Flange O-ring
- (8) Seal
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