Electric Motor Driver Centrifugal Pump

Mature Mechanical Sealing and Vertical Circulation Centrifugal Pump

Part 1. Features:

1.Direct-attached type, easy structurWorm wheel and impeller adopts high strength bronze alloy to secure safely pumping LO2

2.Mature mechanical sealing, long service life

3.High strength hollow stainless steel shaft

4.Frequency conversion motor makes the pump applied to wide working conditions.

Part2.Detailed Introduction and Descriptions

Centrifugal cryogenic pumps produced by our company are divided into 2 transmit ways: speed is adjusted by wheel and change frequency.The first one connects speed transfer box and male-edge of motor directly, making the structure more compact. The second one makes pump shaft and motor shaft connect rigidly. By changing frequency to adjust motor working frequency, then, reach the required speed. These two ways have advantages of simple structure, easy maintenance and low noise features. The sealing of pump takes partly mechanic sealing. During maintenance, change consumable part only. The cost is 1/10 of the entire equipment.

To meet the need of market, our company has developed gas labyrinth cryogenic liquid pump to match air separation plant for constantly transporting cryogenic liquid. This sealing can be used for 8,000 hours and even more. It has been used in the equipment.

The parameter range is as follows:
1) Flow: 8 - 40m&sup3
2) Head:35 - 260m
3) Gas suck pressure: 0.05 - 0.1MPa
4) NPSH value: 0.8 - 1.2m

Meanwhile, our company produces LCO₂ refilled wheel pump, low liquid inlet pressure zero pressure pump (liquid inlet pressure is lower than 0.01MPa).

We can design and manufacture according to the parameters required by the customer.

Part 3. About Our Company and Certificates

Our company has obtained the A2 and C2, C3 Pressure Vessel Fabrication Certifcates ,Grade GC1 Pressure Pipe& Vessel Construction Certifcates, ISO9001 Quality Certificate, ASME Certificate and U Stamp.

We specialize in producing air separation plants, CO2 recovery plants with or without source gas, cryogenic liquid storage tanks (LO2, LN2, LAr, LCO2, LNG and LPG), ISO tanks, semi-trailer tankers, vaporizers, gas filling stations, cylinders and dewars, dry ice machines, compressors and cryogenic pumps etc. Pls feel free to contact us for further information, we are here ready for you!

Part 4: Relevant FAQs of Pump:

1) Q: What accessories will you provide with your pump?

Re: Often we will provide easily broken parts together with our pump for free so that within two years you don’t need to worry spare parts are consumed. Our standard supply for pumps include pressure level gauge, operation box, pump head, motor etc.

2) Q: Do you also provide other pumps like methanol pump, R152 pump, ethylene pump?

Re: Yes, we sell them too. If you have need, kindly tell us your requirements so we can quote.

3) Q: What is the delivery time?

Re: The delivery time is 20 days.

4) Q: Can you provide a list of spare parts for your pump?

Re: Yes, if you ask for it, we can provide it to you.

5)Q: We want to buy a centrifugal pump?

Re: Please advise flow rate, suction pressure, outlet pressure, lift and medium.

6) Q: We want to buy a piston pump?

Re: Please inform flow rate, inlet pressure, outlet pressure and medium.

7)Q: We want to buy a pump for filling cylinders but I don’t know how big I need, will you suggest?

Re: Pls tell us more so we can calculate which pump is your need.

Q1.- the capacity of each cylinder (kg or m3);

Q2.- the working pressure of each cylinder (bar);

Q3.- the quantity of cylinders to be filled per day (how many cylinders);

Q4.- the continuous working hour of the argon filling station per day (how many hours)

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