WC6 WC9 сильфонный уплотнитель литой стальной шаровой клапан
1 109,28 ₽
Сохранить в закладки 1600732142795:
Low energy consumption and good stability |
Good sealing and high performance |
Wide range of uses in many fields |
Years of industry experience |
Quality assurance after-sale tracking |
Support customization |
Fast shipping |
Strict quality inspection |
Possible failures, causes and elimination methods | ||||
Possible failures | Causes of failure | Solution | ||
Packing leakage | 1.The packing gland is not pressed tightly 2.The filler has been used for a long time or stored inappropriate and invalid | 1. Tighten the nut evenly to compress the packing 2. Replace the packing | ||
Leakage between sealing surfaces | 1. There is dirt and debris attached to the sealing surface 2. Damaged sealing surface | 1. Clean up the dirt 2. Rework, trim or replace | ||
Leakage at the connection between the valve body and the bonnet | 1. Uneven tightening of connecting bolts 2. The flange sealing surface is damaged 3. Cracked or failed gasket | 1. Tighten evenly 2. Refinish 3. Replace with new gasket | ||
Handwheel rotation is not flexible or the gate cannot be opened and closed | 1. The packing is pressed too tightly 2. Packing pressure plate, the pressure sleeve device is skewed 3. The stem nut is damaged 4. The thread of the valve stem nut is severely ground damaged or broken 5. Stem bending | 1. Properly loosen the nut on the packing pressure plate 2. Correct the packing platen 3. Disassemble and trim threads and remove dirt and debris 4. Replace the stem nut 5. Correct the valve stem |
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