Pump industry suppliers - Stainless steel structure of the axial flow pump design

stainless steel structure design of axial flow pump

1, the motor cooling

( 1) The cooling medium of the motor can be pump conveying liquid or other cooling medium.

( 2) is conveying liquid such as cooling medium and external piping, piping system ( Including all attachments) They provided by the pump manufacturer, and completely installed in the pump, piping system design and configuration can remove the cleaning and maintenance. Piping material conveying liquid and environmental conditions caused by corrosion resistance.

2, sealed stainless steel axial flow pump motor

( 1) cavity sealing between the inner cavity water pump cavity with a motor and motor set between inner cavity and reliable sealing device, in order to prevent the pump delivery by the liquid into the motor chamber.

( 2) Each mating surface have reliable seal, in order to prevent the motor lumen impurities and medium into the outside world. after assembly, the side of the sealing device of the motor and motor lumen can withstand test pressure 1. 5 times of pump can dive into the depth of liquid under pressure, but not less than 2. 0 mpa pressure test in the holding time, no leakage or other abnormal phenomena.

3, the pressure parts

the stainless steel work under pressure in the axial flow pump parts and components to withstand test pressure of 1. Five times the permissible working pressure pump, but no less than 0. 2 mpa water pressure test, in the holding time, no leakage or other abnormal phenomena.

4, impeller

impeller adopts closed, open or half open structure, can be designed according to utility into a single port or multistream form; When the stainless steel axial flow pump in the transmission medium, provisions of the impeller structure can ensure that solid particles do not happen jam; Reliable fixed on the shaft, impeller prevents rotation when the circumferential and axial direction of movement.

5, critical speed

under the condition of running, stainless steel rotor axial flow pump whole actual first lateral critical speed of at least 10% higher than that the rotational speed of motor line

6, shaft and shaft sleeve

stainless steel has enough strength and rigidity, axial flow pump shaft screw on the shaft to the shaft rotates in a specified direction, make nut is in tight state. Reliable fixed on the shaft, shaft sleeve and can prevent the liquid leakage between shaft and shaft sleeve.

7, sealing ring

locked by strong sealing ring is assembled without turning, fitted with the sealing ring can be replaced.

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