Maintenance method of elbow

Maintenance method of elbow elbow

1. The elbow elbow that has been stored for a long time should be checked as scheduled. The exposed processing surface must always be cleaned, dirt removed, and neatly stored in a ventilated and dry place indoors. Stacking or outdoor storage is prohibited. Always adhere to the dryness and ventilation of the elbow, the cleanness and tidiness of the holder, and the accurate storage method

2. When the equipment is installed, the elbow can be directly installed on the pipeline according to the connection method, and the equipment can be installed according to the application direction. In general, the equipment can be placed in the arbitrary direction of the pipeline, but it is necessary to facilitate the inspection of the operation. Pay attention that the flow direction of the medium in the cut-off elbow should be good under the longitudinal valve flap, and the elbow elbow can only be used for horizontal equipment. Pay attention to the leakproofness of the elbow when it is used in the equipment to avoid the phenomenon of overflowing and leaking, which will affect the normal operation of the pipeline

3. The ball valve, globe valve and gate valve of elbow bend are only used for full opening or full closing, and are not allowed to be used for regulating flow, so as to avoid erosion and accelerated wear of sealing surface. The gate valve and the upper thread stop valve are equipped with back sealing equipment, and the handwheel is screwed to the top to prevent the medium from leaking from the packing