CORE strainers can be used to remove any particulates or debris that may be present in a pipework system, helping to protect other types of equipment from damage. Our screwed BSP bronze Y strainer is WRAS-approved, tested to BS EN12266 standards and classified in accordance with PED 2014/68/EU. Our cast iron Y strainer has been tested to BS EN1092 and BS EN558-1 and comes with circular drain ports on DN80 and above and square drain ports for DN50 and DN65.