T/NJ 1143-2019 Performance Evaluation Specification for Vertical Self-priming Pump
T/NJ 1143-2019 Performance Evaluation Specification for Vertical Self-priming Pump
Basic Information
Scope
Scope: This standard specifies the performance grade evaluation indicators, other requirements, test methods, inspection rules, and performance grade markings for vertical self-priming pumps. This standard applies to fields such as agriculture, power, chemical industry, metallurgy, medicine, electroplating, textile dyeing, and wastewater treatment, for vertical self-priming pumps (hereinafter referred to as pumps) that transport solids, corrosive liquids, or other liquids. Main technical content: This standard specifies the performance grade evaluation indicators, other requirements, test methods, inspection rules, and performance grade markings for vertical self-priming pumps. This standard applies to fields such as agriculture, power, chemical industry, metallurgy, medicine, electroplating, textile dyeing, and wastewater treatment, for vertical self-priming pumps (hereinafter referred to as pumps) that transport solids, corrosive liquids, or other liquids.