KSB butterfly valves in wafer and lugged patterns are common across cooling water, raw water and process water systems, usually with a manual gear operator or an electric actuator. The BOA gate and globe families cover isolation and throttling on water and steam lines. Both are built for long service and are straightforward to rebuild.
The surplus pattern follows the capital cycle: a water treatment plant replaces a bank of valves during an upgrade, or a power station overhauls its cooling water system, and the removed valves are sound but surplus to the new design.
Brand disclosure. KSB is a trademark of its respective owner. Louisiana Valve Buyer is an independent purchaser of surplus equipment and is not affiliated with, authorised by, sponsored by or endorsed by KSB or its owner. We do not provide manufacturer service, repair authorisation, calibration, pressure certification or product compatibility statements.
Inspection points
What decides the price
Body and liner
Ductile iron with epoxy coating is the common pattern. Check for coating damage and liner condition.
Operator
Gear operators and electric actuators are the value add. Note the actuator model and voltage.
Flange and lug condition
Standard water-service valves are rejected on flange damage more often than on wear.
What to send
Making the review quick
A wide photograph of the whole unit, a close photograph of the valve nameplate, and the model number if you have it. If there are several identical units, one set of photographs and a quantity is enough.
If the equipment is already separated, keep the parts together and label them as a set. A matched pair is worth more than two orphans.
Questions sellers ask
Do you buy municipal water valves?
Yes, from treatment plants, pump stations and the contractors who hold material after a capital project.
Are electric actuated valves worth more?
Usually yes, if the actuator is complete and identifiable.