VALVE OPERATION MANUAL
KAPLAN BALL VALVES
• Perform regular and scheduled maintenance. Leakages and tightness of valves may happen due to
temperature changes over prolonged periods.
• Check for cracks, deformities on the outside.
• Check for fluids on the outside.
• Check tightness of union nuts.
• Verify the handle mechanism operates smoothly.
SECTION 8 - MAINTENANCE
• Perform a visual check prior to installation.
• Wear adequate protective equipment when working with tools, solvents, power drills etc.
• Do not attempt maintenance or replacement is there is still any pressure running through the piping system.
• Never use a pipe wrench on thermoplastic.
• Ensure all fluid is completely drained from the piping system.
• Loosen union nuts before extraction of valve from line.
• If replacing parts such as seals, seats, balls etc then consult the manufacturer for any specific details.
SECTION 6 - DISASSEMBLY
• Refer to detailed actuator installation guide in Hydroseal Canada’s Technical Guide.
SECTION 7 - AUTOMATION
CLOCKWISE > to close
CLOSED > should be perpendicular to the pipe
COUNTER CLOCKWISE > to open
OPEN > should be parallel to the pipe
SECTION 5 - HANDLE POSITION
EN.005
Valve Operation Manual
Page 2 of 3
SECTION 9 - TROUBLESHOOTING
PROBLEM
CAUSES
SOLUTION
Leakage observed
when valve is closed
Union nuts may have loosened.
Tighten the valve.
Seats may be scratched or eroded.
Replace seat or entire valve.
Valve may have object within the body.
Clear blockage.
Ball mechanism may be scratched, cracked or eroded.
Replace ball or entire valve.
Leakage observed
Unions nuts may have loosened.
Tighten the valve.
O ring(s) may be scratched or eroded.
Replace O rings or entire valve.
Handle not turning smoothly
Valve may have object within the body.
Clear blockage.
Deformity in valve or parts of valve.
Replace valve.
Handle fails to engage
Stem may be broken or cracked.
Replace stem or entire valve.
The mechanism between stem and ball is broken.
Replace stem and ball, or entire valve.
AUTHORISED SOLE AUSTRALIAN DISTRIBUTOR
UNIVERSAL PIPING PTY LTD - PERTH
