BB4 ZTM

ZTM series is horizontal, multi-stage, single shell, segmental structure, high efficiency, low NPSH value, API610 BB4 pump type.

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product description
ZTM series is horizontal, multi-stage, single shell, segmental structure, high efficiency, low NPSH value, API610 BB4 pump type.
Scope of application
ZTM series pumps are suitable for high-pressure conveying of clean, corrosive or non-corrosive liquids, not suitable for conveying abrasive liquids.
■ Boiler feed water (below 180"C)
■ Oilfield water injection
■ Petrochemical
■ Refinery, oil transportation
■ Line pressurization
■ Refrigeration engineering
Operating parameters
Diameter DN 25- 200mm
Flow Q~ 500m/h
Head H ~1200m
Working pressure P ~ 15.0MPa
Operating temperature T. 80'C~ +180°C
Design Features
◆Middle section shell: The middle section shells are sealed with O-rings (metal corrugated tooth composite gaskets can be used in special requirements), and the outside is fixed with threaded bolts, which is safe and reliable.
◆Balance mechanism: Most of the axial force generated by the multi-stage impeller is balanced by the balance drum, and the rest is borne by the thrust bearing.
◆Support: According to the temperature of the conveying medium, you can choose foot support or center support (greater than 150"C, ZTM80 and above specifications)
◆Bearing: The standard configuration is rolling bearing, which is lubricated by thin oil, which is safe and reliable and has a long service life. Sliding bearing design is available, and the bearing chamber can be air-cooled or water-cooled.
◆Shaft seal: packing seal, mechanical seal and necessary auxiliary devices can be equipped according to the condition of conveying medium. The shaft seal only bears the inlet pressure, the operation is safe and reliable, and the shaft seal cavity can be water-cooled.

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