The casings with screw joints are single or double wall. The double wall casings are designed especially for high torque drilling machines and casings oscillators

Single wall casing pipe mainly used for light work in pile foundation work

Male-Female casing joint

D800MM single wall CASING WITH SCREW TYPE CONNECTION

D800MM single wall CASING WITH KEY TYPE CONNECTION

D1000MM single wall CASING WITH SCREW TYPE CONNECTION

D1000MM single wall  CASING WITH KEY TYPE CONNECTION

D1200MM single wall CASING WITH SCREW TYPE CONNECTION

D1200MM single wall  CASING WITH KEY TYPE CONNECTION

D1500MM single wall CASING WITH SCREW TYPE CONNECTION

D1500MM single wall  CASING WITH KEY TYPE CONNECTION

D800mm Single wall casing with Labyrinth joints for pile foundation work

D1000mm Single wall casing with Labyrinth joints for pile foundation work

D1200mm Single wall casing with Labyrinth joints for pile foundation work

D1500mm Single wall casing with Labyrinth joints for pile foundation work

D800mm Single wall casing with key connection for pile foundation work

D1000mm Single wall casing with key connection for pile foundation work

D1200mm Single wall casing with key connection for pile foundation work

D1500mm Single wall casing with key connection for pile foundation work

D600mm Single wall casing with key joint for pile foundation work

D800mm Single wall casing with key joint for pile foundation work

D1000mm Single wall casing with key joint for pile foundation work

D1200mm Single wall casing with key joint for pile foundation work

D1500mm Single wall casing with key joint for pile foundation work

D600mm Single wall casing with key joint for pile foundation work

Single Walled casings (S.W.)

We are able to produce casings till 3000mm diameter

Double walled casings (D.W.

Casings drive adapter with flange (Long)

Casings drive adapter with flange (short)

Casings drive adapter with Kelly Box (short)

casing sizes, from diameter 600 mm  up to 3000 mm. Joint thickness range is from 40 mm to 60 mm according to requested diameter. Double wall casings are especially designed to be used with casing oscillator and rotary systems. Casing joint coupling operations is by means of conical thread screws and centering keys

recommend DOUBLE WALL casing

Labyrinth joints are designed for quick coupling of double and single wall casings

Single wall casing labyrinth casing joints are available for columns having an outer diameters from 600mm a to 3000mm and on request.

Casing TWISTER / CASING ADAPTER

CASING SHOE FOR SOFT SOILS

CASING SHOE FOR ROCK WITH WELD-ON BARS

CASING SHOE FOR ROCK WITH REPLACEABLE BARS for secant pile

Casing drive adapter (Twister) that transfers the torque from the rotary drive to the casing

Casing Shoe for soft soil or hard soil conditions or secant piles using different types of teeth

Double walled which are used widely used either for their resistance and ability to ensure a flush drill string.
– Single walled which can be used when weight reduction is required or for light works.

These both versions could be equipped with Screw type connection or Key connection.

CASING WITH SCREW TYPE CONNECTION

CASING WITH KEY TYPE CONNECTION

Tianjin huachang xingye technology co ltd email info@tjdrilling.com

Whatsapp 008618902059907