The top of Circulating Head Drilling Swage connects to the hoses,the bottom connects to the Drill Pipe.

Main body is made from AISI4145H alloy steel.

Drill Pipe Circulating Swage Main Technical Parameters

Size

(in) Body OD Size(mm) ID size (mm) Top box conn Bottom Pin Conn Length

(mm) W.P.

psi

2⅞" 105 50.8 2" FIG1502F 2⅞"IF（NC31） 305 10000

3½" 121 50.8 2" FIG1502F 3½"IF（NC38）

4" 146 50.8 2" FIG1502F 3½"IF（NC38）

4½" 158 50.8 2" FIG1502F 4"IF（NC46）

5" 158 50.8 2" FIG1502F 4½"IF（NC50）

5½" 185 50.8 2" FIG1502F FH5½

SAIGAO GROUP company has solid technical strength, advanced technology, sophisticated equipment and perfect testing means. It owns over 300 processing and auxiliary equipment such as NC lathes, NC boring machine, NC milling machine, NC grinding machine and 4 machining centers.

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