API 610 Pump/chemical process pump/heavy duty pump-Type BB4

Application：

• Oil & Natural gas
• Petroleum & Petrochemical
• Pulp & Paper
• Boiler feed water temperature below 210℃, combined cycle power plants,solar energy utilization, biological and industrial power plants
• Boiler starting water feeding pump of general power plant
• General industrial high-pressure water pump
• Main service: Boiler feed pump （BFW pump）, etc. 

Design Features：

• Flange configuration conforms to ANSI / DIN / ISO standards
• Mechanical seal chamber size conforms to ISO21049 (API682).
• Several different sets of hydraulic models have been designed for each impeller size to ensure high efficiency and low operating costs over a wide operating range. In the case of low NPSHa, first stage double-suction impeller structure can be applied
• Central-supported pump body structure can withstand higher forces and moments
• Depending on the conditions of power and axial force, self-lubricating and sliding bearing-thrust pad bearings are available, with additional lubricant system
• Balancing drums and axial thrust bearing can serve long life under harsh conditions

Design Parameters：

• Capacity (Q): 5~1200 m3/h
• Head (H): ~3000 m
• Operating Pressure (P): ~25 Mpa
• Operating Temperature (T): －80℃～+210℃