DK-LOK is a global company founded in 1986. Our product offerings and brand have expanded to meet the needs of many different industries and customers. We supply industrial applications from analytical and process instrumentation, gas, power generation, petrochemical processing, shipbuilding to semiconductor manufacturing. DK-LOK® fittings and valves are manufactured to the most stringent industry standards. As a result, DK-LOK® is one of the most certified tube fitting and valve manufacturers in the world. Our guarantee is a leak-tight seal in process, power, and instrumentation applications. Our commitment is to provide our clients reliable products and unparalleled customer service. As your fittings and valve supplier, it’s our responsibility to bring increased value to your company. DK-LOK®’s staff is committed to providing you with unparalleled customer service. Through our quality valve and fitting products, customer service, and pricing DK-LOK® is able to create a true value for you, our clients. DK-LOK® Fittings and Valves looks forward to creating a solution for whatever need you may have.