BY-PASS VALVE OVERHAUL

In 2022 Tenconi SA carried out the overhaul of the spherical valve of the Verzasca Valley hydropower plant.

First, the valve was disassembled and cleaned. Then, all components were repaired, repainted and reassembled in their original position.

This was followed by a pressure test of the valve and finally by testing it in presence of the customer.

Technical characteristics

• DN: 225

• PN: 30 bar

• Test pressure: 55 bar

• Weight: approx. 1 ton