PUMP SERIES

Tianjin Pumps & Machinery Group Co., Ltd. SD

CTP SD is a single-suction, high-pressure three-screw pump intended for comparatively low-flow service. The catalog gives maximum flow of 10 m³/h and differential pressure of approximately 21 MPa, with configuration-dependent mounting options.

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Tianjin Pumps & Machinery Group Co., Ltd. SD — manufacturer product photograph
SD shown in the manufacturer’s catalog; supplied configuration depends on the selected model.

Published specifications

Manufacturer catalog data
Flow range10 m³/h
Liquid temperatureUp to 80°C
Maximum differential pressureApproximately 21 MPa
Maximum speed3,400 r/min
Viscosity range30–380 cSt
FamilyHigh-pressure three-screw pumps
Pumped mediumOil within the specified viscosity range
InstallationHorizontal, vertical or oil-immersed

Product details

The manufacturer lists a maximum speed of 3,400 r/min, maximum liquid temperature of 80°C and viscosity range of 30–380 cSt. Pressure is retained in MPa because converting it to a liquid head would require the actual fluid density. The listed maxima should not be combined into an assumed continuous operating point.

The SD construction uses an adapter arrangement that permits horizontal, vertical or oil-immersed installation. The mounting choice affects the package layout and should be confirmed with the pump drawing, coupling arrangement and oil-system design. It is not sufficient to select a pump solely from the maximum discharge pressure.

For a screw-pump duty, viscosity at the real pumping temperature is a central selection input. The 30–380 cSt catalog interval should be checked against both normal operation and startup. The selected speed, pressure differential and flow must be reviewed together to establish a suitable pump and drive combination.

SELECTION NOTES

Specify the operating duty

Provide oil type, viscosity at startup and operating temperature, required flow, inlet pressure and discharge pressure. Specify horizontal, vertical or immersed installation and confirm the permitted speed and drive power for that duty.

Published limits may describe different configurations within a series. Confirm that the required operating conditions are valid together.