万能套管快卸护丝
专利产品（专利号为200920226755.8）
Multipurpose quick-detachable casing protector
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万能套管快卸护丝是一种保护套管外螺纹的手动装置，由高强度、高韧性、耐磨损的配方橡胶制成，内衬高强度弹簧钢板，钢板与凸轮锁紧机构连接，扳动手柄带动凸轮机构使护丝快速松开或锁紧。
适用范围：适用于偏梯形扣BC、长圆扣LC、短圆扣STC、WAM扣等多种扣型的石油套管。
适用于以下规格套管：
4-1/2、5, 5½, 7, 7⅝, 9⅝, 10¾, 13⅜, 16, 18⅝, 20、24；
Multipurpose quick-detachable casing protector is a manual device to protect outer thread of casing; this protector is designed with simple configuration and solid stuff for easy operation, this protector consist of solid and durable tynthetic rubber and high quality steel plate, steel plate is fixed with bulge wheel lock assembly, pulling handle can made the bulge wheel lock assembly to lock or open.
Multipurpose quick-detachable casing protector is applicable for casing with BC ladde thread connect, long circle thread connect, short circle thread connect or VAM thread.
Casing protector can be available for nine casing as follows:
4-1/2 、 5, 5½, 7, 7⅝, 9⅝, 10¾, 13⅜, 16, 18⅝, 20、24；
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