Button Type Pressure Compensation Emitter 

Button type pressure compensation emitters are one of the pressure compensation emitters. Because of their small size, low flow rate and appearance similar to buttons, they are known as button type pressure compensation di-tai-jiaoou. Pressure Compensated Emitter Products. The button type pressure compensation emitter is usually installed on the PE pipe and used as the end emitter of drip irrigation. The compensator is added to keep the flow constant when the water pressure changes.