API 11B 井戸ヘッドツール ポリッシュした棒を密封するための二重層詰め箱

Video Description:
Discover the API 11B Wellhead Tool Double Layer Stuffing Box, designed to seal polished rods in oil production. This API Rod Sealing Device ensures optimal performance with its double-packed design, self-alignment, and leak prevention. Suitable for various rod sizes, it offers easy installation and maintenance.