This standard specifies the technical requirements for pump filters. This standard applies to the selection, inspection and acceptance of pump filters in new construction, reconstruction and expansion projects of petrochemical and coal chemical enterprises.
SH/T 3411-2017 history
2018SH/T 3411-2017 Specifications for selection, inspection and acceptance of filters for petrochemical pumps
1999SH/T 3411-1999 Specification for selection, inspection and acceptance of strainer for pump in petrochemical industry