double wall casing

double wall casing Casing joints and pipes for pile protection of collapsing. Casing joints are composed of one male half joint and one female joint welded at each end of casing pipe for easy pipe connection. Joints coupling supplied with conical screw type for single and double wall casing. Double Wall Casings - Screw type, Diameter 1000/920 mm, Length: 2 m  Double Wall Casings - Screw type, Diameter 1000/920 mm, Length: 3 m Double Wall Casings pipe - Screw type, Diameter 1000/920 mm, Length: 2 m Double Wall Casings - Screw type, Diameter 1000/920 mm, Length: 3 m double wall casing pipe/Single wall casing Casing joints and pipes for pile protection of collapsing. Casing joints are composed of one male half joint and one female joint welded at each end of casing pipe for easy pipe connection. Joints coupling supplied with conical screw type for single and  tianjin huachang xingye technology co.,ltd  email info@tjdrilling.com  web:www.tjdrilling.com  tel:0086-22-58656461 whatsapp :008618902059907

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