If you require the spares for Camtech supplied valves, use Camtech supplied spares only for better fitment and performance. Please have the following information when you contact us, to help us serve you faster: The Camtech valve serial number – Your PO Number, or the Camtech Job Order Number on which the valve was purchased – The Camtech drawing number (if applicable) – The valve tag number – Any additional information from the valve’s nameplate.