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ZA, ZAO, ZE petrochemical pump overview

ZA, ZAO and ZE petrochemical pumps are single stage single suction cantilever centrifugal pumps. The pumps are mainly used in petroleum, chemical industry, synthetic fiber, fertilizer, power station, metallurgy, food and medicine and other industrial departments to transport clean liquids or the liquids containing particles, low temperature liquids or high temperature liquids,

Neutral or corrosive liquid. The temperature of the medium is commonly from - 45 ℃ to 180 ℃.

ZA, ZAO and ZE petrochemical process pumps are designed according to API160 and VDMA24297 (light/medium) specifications.

ZA, ZAO, ZE petrochemical pump product features

ZA, ZAO, ZE petrochemical pump for single stage, horizontal, volute pump. Pump body is with foot support, single suction impeller, Axial suction, radial discharge;

Adopt front and rear sealing rings and balancing holes for hydraulic balance according to the operating conditions;

The stuffing box has a cooling or heating pipe connectors. The shaft seal can used packing seal or  single end face or the double end face mechanical seal. Equipped with cooling, flushing or sealing fluid system.

Suction and discharge flanges shall have the same pressure rating.

Bearings are lubricated with clean machine oil no.22.

Viewed from motor end, rotation direction of the pump is clockwise.

Scope of use of ZA, ZAO and ZE petrochemical pumps

ZA, ZAO, ZE chemical pumps are suitable for conveying clean liquids or liquids containing particles , low or high temperature liquid, neutral or corrosive liquid.

Performance ranges

DN25 to DN400

Flow range(Q): 9m3/h to 2600m3/h

Head range(H):8m to 300m

The environment temperature (℃) : 40 ℃ or less

Medium temperature (℃) : - 20 ℃ ~ + 140 ℃

Medium density (rho) : 0.03kg/m3

Rotation speed (r/min) : 1450rpm or 2900rpm, 1750rpm or 3360rpm

Maximum working pressure of the system (Mpa) : 4.6Mpa

ZA, ZAO, ZE petrochemical pump application:

Refinery pumps, petrochemical industrial pumps, coal processing industrial pumps and cryogenic engineering pumps;

Chemical industry pump, paper pulp industry pump, sugar industry and general process industry pump;

Water supply plant pump, seawater desalination plant pump; Heating and air conditioning system pumps;

Power plant pumps;

Environmental protection engineering pump;

Marine and Marine industrial pumps, etc.

Model meaning of ZA, ZAO and ZE petrochemical pumps

ZA (ZAO/ZAE) 25-200

ZA- closed impeller

ZAO- semi - open impeller

ZAE- high temperature liquids

25- outlet diameter

200- nominal diameter of impeller