WYZF-L4 Pressure operate valve is a sender of electric signal transformed from mechanism motivated by the differential pressure signal.It is applied for 20MPa electric terminal type grease concentrical lubrication system,to send signal make the solenoid reversal valve to reverse the flow direction of two main pipes.It is mounted on the end of two main pipes,sending signal exactly and reliable.The set pressure can be adjustable.

Appearance and dimensions

type	n.pressure MPa	set pressure MPa	adjusting range MPa	lose ml	weight kg
WYZF-L4	20	4	3-6	1.5	8.2

Applicable medium: grease，the penetration 30-385（25℃，150k）1/10mm

Example of order: A pressure valve its nominal pressure 20MPa,adjusting oressure is 4MPasa; WYZF-L4 ore operate valve JB/ZQ 4562-1997