Multi-stage Barrel Casing Pump

DSG series Multi-stage Barrel Casing Pump is horizontal radially split cylindrical structure, single-suction, multi-stage centrifugal impeller, center line installation, support at both ends. The balance drum structure balances the axial force, the cylindrical barrel and the pump cover are tightly in the mouth section, and the seal is fixed. When working, under the action of high pressure medium, the sealing performance is good. When conveying high temperature medium, the sealed box can be equipped with cooling water cavity. According to needs, different schemes of mechanical seals can be configured, the seals at both ends can only withstand the low pressure of the inlet, and the API standard of the

1. Diffuser case construction sealing pipeline is implemented.
2. Single or double-suction,first stage impeller

3. Impeller series type or back-to-back design
4. Balance drum and sleeve made from hardened stainless steel forgings

5. Heavy duty forged or cast steel barrel and discharge cover
6. Shaft sealed by cartridge mechanical seal +API flushing plans.ISO 21049/API682 seal chamber accommodates multiple seal types
7. Roller bearing and ball thrust with oil flinger lubrication system,Sleeve radial and tilting pad thrust bearings with pressure lubrication system
8. Axial thrust balancing device with balance drum
9. Renewable casing wear rings and sleeves
10. Jack screws (motor side) for an easier alignment setting

Performance Range

 

Flow : up to 1,000 m3/h (4,400gpm)
Head : up to 2,500 m (8,200ft)
Design Pressure : up to 25.0 MPa (3626 Psi)
Working Temperature : -29℃~+450℃

Application

 

Clean, low temperature or high temperature chemically neutral or corrosive liquids; refinery oil and gas, petrochemical, coal chemical, water injection, pipeline, boiler feed water, etc. Refinery, oil and natural gas, petrochemical coal chemical industry, water injection, pipeline, boiler feed water, etc.

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