River And Sea Dredging Hard Metal Alloy Cr27 Cr28 Anti-Abrasive Sand Pump Parts

Sand pump introduction:

Type G(or GH) gravel pumps are the series products introduced from Warman International Equipment Ltd. Gravel pumps are designed for continously handling the most difficult higher abrasive slurries which contain too big solids to be pumped by a common pump. Type GH pumps are of high head ones.

Main parts

Impeller:The impeller generally has three vanes or five vanes and wide application range.It is made of wear-resistant high chromium alloy cast iron(hardness≥58HRC,impact toughness≥9J/cm2).The impeller is fixed on the pump shaft with double thread,and the thread tolerances are inspected according to the pitch diameter of thread.Disassembly rings are installed at the rear of the shaft sleeve to make maintenance eas

Volute casing:The volute casing is made of wear-resistant and compression-resistant alloy(hardness≥56HRC,impact toughness≥8J/cm2).Advanced smelting technology combined with casting process and heat treatment process guarantees smooth casting surfaces and reliable internal qualiyt.The bulge test will be carried out after molding,and the test pressure is 2 times of the discharge pressure of the pump.If there no leakage after 20 minutes,strength and tightness,strength and tightness pressure test reports can be issued.

Liner plate:The liner plates are made of wear-resistant high chromium alloy cast iron(hardness≥56HRC,impact toughness≥8J/cm2).

Product Features:

1. Wear parts are constructed with chromium alloy; so pumps have better stability & longer service life.

2. Unique mechanical seal device can protect the electric motor and ensure high suction efficiency.

3. Additional agitation impeller is equipped to help break and mix the sludge.

4. Easy installation, operation and cost saving, since no extra vacuum pump or pump house is needed.