1、 Product IntroductionProduct Introduction

D520/7DDSwitching difference adjustableD520/7DDThe switching difference is not adjustableD520/7DDKThe small switching difference is not adjustableD520/7DDZThe dual contact non adjustable differential pressure controller of the entire series adopts a bellows sensor. Available air, gas, water vapor, neutral gas, and water,Liquid media such as oil and refrigerants. The setting value of the controller is adjustable, with a range of adjustment0.02~1.6MPaRange of work pressure0.05~2.5MPa

D520/7DD switching difference is adjustable,the D520/7DD switching difference is not adjustable, the D520/7DDK smallswitching difference is not adjustable, and the D520/7DDZ dual contact is notadjustable. The entire series of differential pressure controllers adoptscorrugated tube sensors. Liquid media such as air, gas, water vapor, neutralgas, water, oil, and refrigerants can be used. The set value of the controlleris adjustable, with an adjustment range of 0.02~1.6MPa. Working pressure range:0.05~2.5MPa

2、 Working principleOperational principle

3、 Technical parametersTechnical Parameter

4、 Product classification Product classification

5、 External dimensions External dimensions

6、 Installation instructionsInstallation instructions

The above parameters are for reference only and are subject to change without prior notice!

Above parameters are for referenceonly and are subject to change without prior notice!