GINKAI Pneumatic Diaphragm Pumps VS Other Brand
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GINKAI -
Domestic Brand -
Imported Top Brands
Performance Comparison
| Test Items \ Brand | GINKAI | Imported Top Brands | QBY/QBK |
| Maximum Free Flow(Taking DN40 pump as an example, medium: water, room temperature) | 22m³/h | 20m³/h | 9m³/h |
| Start-Up Pressure | Single Membrane: 0.2bar Double Membrane: 1.0bar |
Single Membrane: 0.2bar Double Membrane: 0.8bar |
2.0bar |
| Burst Pressure (Taking Santoprene as an example) | 35.0bar | 35.0bar | 12.0bar |
| Membrane Reciprocating Life | 23 million times | 23.5 million times | 5 million times |
| Outlet Pressure | 8.4bar | 8.4bar | 5bar |
| Ball | Two grinding processes | Two grinding processes | One forming process |
| Ball Seat | Both sides can be used. | Only one side cannot be used | Only one side cannot be used |
| Air Motor | Pilot Type | Pilot Type | Piston Type |
| Upper & Lower Cover | A semi-circular spherical chamber, Advantages: Protect the ball from impact. | There are 3 points where the ball is prone to wear. | There are 3 points where the ball is prone to wear. |
| Pump Shaft | A single 1500℃ laser-treated rod: 10x harder than stainless steel, mirror finish, low maintenance. | The pump shaft has many O-rings, difficult maintenance. | The pump shaft has O-rings, difficult maintenance. |