T/ZZB 2572-2021 (English Version) PDF

Scope: This document stipulates the information confirmation, type and basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality commitment of motorized diaphragm reciprocating pumps. This document is suitable for conveying media including clean water, oily sewage, emulsions, crude oil and petroleum products, kerosene products, and chemical liquids. The rated discharge pressure is up to 31.5 MPa; the flow rate is up to 200 m3/h; the conveying medium temperature is -20 ℃ ~ 165 ℃; A motorized diaphragm reciprocating pump (hereinafter referred to as the "pump") with a kinematic viscosity not exceeding 3 000 mm2/s. This document does not apply to mechanical diaphragm reciprocating pumps.

T/ZZB 2572-2021 history