Self Priming Trash Or Waste Water Pumps

Self-priming trash pumps are designed for heavy-duty de-watering use. In this article we will take a look at the applications, specifications, features and semi-trash pump models available.

A trash pump employs the deepest impeller vanes to produce the largest discharge capacity, incorporated with a large volume discharge opening to pass water containing suspended sticks, stones & debris without clogging or harming pump components.

Pumps with 3 and 4 pipe diameters are designed to suck up to 31 mm diameter trash. Pumps with 2 pipe diameter are designed to such up to 20 mm. Diameter trash. The biggest distinguishing factor between normal clear water pumps and self-priming trash pumps, is the fact that trash pumps are designed up to 31 mm solids in diameter versus 10 mm solids in the case of clear water pumps.

Applications:
Multiple purpose de-watering
General purpose de-watering
Constructions sites
Pumping municipal sewage
Agricultural use

Specifications:
Self-priming trash pumps contains 3 distinguishing elements:

1. Casing
a. Big to improve reparative ability of air and water
b. Removable without using tools

2. Impeller consisting of 2 blades
Strainer hole diameter is designed to prevent debris from locking the impeller.

3. Trash pump strainer:
Trash pump strainers vary between φ25 and φ30

Trash pump model summary:
PTG 205T
Pump size: 2.0 inch
Engine: EY20D (Gasoline)
Total head: 27m
Delivery volume: 750 l/min

PTG 305T
Pump size: 3.0 inch
Engine: EY28D (Gasoline)
Total head: 28m
Delivery volume: 1800 l/min

PTG 405T
Pump size: 4.0 inch
Engine: EY40D (Gasoline)
Total head: 23m
Delivery volume: 2000 l/min

Justin Kitson is Manager at Goscor Engines and forestry. Details about Trash pumps are available at: http://www.engines-forestry.co.za/html/self-priming-trash-pump.htmlRae Blog59690
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