Profile: Wragg Bros Ltd. specializes in sheet metal fabrication. Our products include water provers, volumetric proving vessels and conical type measures. Our water provers are used for testing domestic water meters. It is manufactured in stainless steel to NWML 7314 specification includes top fill with easy readout scale unit, bottom empty via value, thermometer pocket, spirit levels and a flanged neck. Unit is totally housed in a square frame to prevent movements whilst mobile. We also offer sample cans. It is used extensively in the petroleum industry to facilitate sampling at any depth. It is available in tin or copper versions in 3 nominal capacities. It is an ISO 9002 certified company.