John Clark Valves (JCV) was established in 1985 as a valve and ancillary equipment stockist. Now one of the UK's largest stockists of valves, the Company carries extensive stocks of gate, globe, check valves, ball valves, butterfly valves, wafer check valves and actuators at its premises on Teesside. Quality products and efficient organisation, combined with a competitive price and a first class relationship with major international manufacturers, help us to satisfy the most demanding requirements of the valve market. In addition to our own BSI ISO 9001 approval and our own stringent internal quality control procedures our manufacturers have been audited and approved by organisations such as API, Lloyds, ISO, DNV, etc. Our experience and wide supply network enables us to provide the excellent service that customers deserve. Our friendly approach and flexibility means that we can tailor our services to your individual needs.