DUPRO Gear Pumps are also widely used in chemical, food, dairy, process , pharmaceutical , paint s , steel plants industries.

Gear pumps are positive displacement (or fixed displacement), meaning they pump a constant amount of fluid for each revolution.

There are two main variations; external gear pumps which use two external spur gears, and internal gear pumps which use external and internal spur gears (internal spur gear teeth face inwards.

Dupro External Gear Pumps have only two rotating parts matting externally having principle of gear within gear.

• The self lubricated bush bearing type design ensures longer life of pumps

• Simple, Compact, Robust design Hence longest service life features:

• All pumps are provided with built-in pressure relief valve.

• The shaft sealing is by Rubber oil seals, which ensures leak proof working than gland packing design. The alternative sealing like Z-Pack or mechanical seal will be is provided.

on depends of liquid characteristics or on request.

• Jacketed features for handling Tar, Bitumen, Asphalts, Wax, Soaps, etc. liquids.

• External / Internal Ball / Needle Bearings type gear pumps are available as an optional on request.