D371x butterfly valve weight table d371x butterfly valve weight is different due to different pressures and specifications. Now let's introduce the weight of d371x butterfly valve under the pressure of PN1.0, PN1.6 and PN2.0 from dn50 to dn600

5. Check the contact resistance between the electrode and the liquid and the electrode insulation inspection flow chart, item 5. The contact resistance between electrode and liquid mainly depends on the contact area and liquid conductivity. When measuring the distilled water with the conductivity of 5 × 10-6S/cm, the resistance value of the electrode with general structure is 350kD, the domestic and industrial water with the conductivity of 150 × 10-6S/cm is about 15kn, and the brine with the conductivity of 1 × 10-2S/cm is about 200n.