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■ Independent Left and Right Pilot Valves
These activate the air switch valve at the stroke limit, and are also completely oil-free. Dynamic seals are eliminated as independent left and right types.
It is resistant to abrasion and ensures stable pump operation over a long period of time.
■ Yamada’s Proprietary Design Air Switch Valve “C-Spool”
The air switch valve in the center section of the diaphragm pump is completely oil-free, so it does not require regular lubrication.
The operation assist using a C-spring suppresses stoppages during operation, and achieves stable operation.
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The C-spring Prevents Stoppages during Operation Achieves stable operation. |
Equipped with a Reset Button Downtime due to pump stoppages in the case of wear of the air switch valve is kept to a minimum. |
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Completely Oil-free Both the air switch valve and the pilot valve that activates the air switch valve at the stroke limit are designed to be oil-free. Does not require regular lubrication. |
Simple Replacement No need to disassemble the pump when replacing it. |
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SPECIFICATIONS
- Click on a model to see its Performance Curve
*1 The maximum supply air pressure for a type with a resin-made pump body will depend on the liquid temperature. *2 The water discharge is provided as a rough approximation only. The discharge will differ depending on factors such as the liquid to be transferred and the piping conditions. *3 Maximum flow rate is a value indicating the pump capacity. We recommend selecting a size that allows some leeway, taking into account the impact on the life span of the diaphragm. |
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