frank olsen company, valves, actuation, experts, services, products, sales, support, water, wastewater, sewage, hvac, process industry, distributor, expansion joints, repair.

frank olsen company: we offer many different types of valves used in the water, sewage, waste water, hvac, and process industry. we also specialize in expansion joints and flexible couplings. the frank olsen company can provide manual, pneumatic, or electrically actuated valves, and service and repair of existing valves and actuators.