Sanitary Stainless Steel CIP Self Priming Pump

The self-priming pump is mainly used to convey materials that contain gas. Therefore, it is widely applied to suck materials in various applications where the liquid level is unstable, or even the liquid level is lower than the pump inlet, or used as a return pump in the CIP system.


The Self-priming pump is a liquid-ring pump which is specially designed for pumping liquids containing air or gas. The pump is used in food, chemical, pharmaceutical and similar industries. The pump can be used for CIP-return.

Sanitary mechanical shaft seal

Mechanical single seal with stable seal ring of acid-resistant steel AISI316L with sealing surface in carbon and rotating seal rings of siliconcarbide. The pump has a stainless steel shroud for protection of the motor, and the complete unit is supported on four adjustable stainless steel legs.

All product wetted parts, pump casing, casing cover and impeller are made of acid-resistant steel AISI316L. Motor shroud is made of stainless steel AISI304. Seals are made of EPDM rubber.

Product wetted steel parts: Acid-resistant steel AISI 316L.

Technical data

Max. Inlet pressure: 0.5Mpa

Temperature range: -10ºC to +140ºC(EPDM)

Noise level(at 1m): 60-80dB(A)

Voltage and frequency:

3 Phase,50Hz,220-240V/380-420/660-690V

Motor sizes

50Hz: 4, 5.5, 7.5kw


These motors are built to comply with current International Standards

International Electro-technical Commission-IEC34 and IEC72

These motors are built to comply with current National Standards

GB755-87, GB10069-88, Q/JBQS28-2000

Mechanical Design: Terminal boxes

Electrical Design

Minimum Noise and Vibration levels

Maximum Degrees of Protection

All motors are protected to IP55 as a minimum. Higher levels of protection are available on request.

Service and Operating Conditions

Motors are designed to be insensitive to wide supply voltage fluctuations.

Class F insulation offer reliability and security