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SAIGAO GROUP Circulating Swage is forged from high-grade steel materials and machined to the required specifications. After heat treatment and non-destructive testing, it is confirmed that the product is free of any defects. It can be connected to a square drill pipe to circulate mud, or it can be connected to a drill pipe to lift the casing string.

The top of Casing Circulating Swage connects to the hoses, the bottom connects to the casing.

Main body is made from AISI4145H alloy steel.

Circulating Swage Main Technical Parameters
SizeBody OD Size(mm)ID size (mm)Top box connBottom Pin ConnLengthW.P.
(in)(mm)psi
4"12150.82" FIG1502F4" Casing thread50010000
4½"12150.82" FIG1502F4½" Casing thread
5"12850.82" FIG1502F5" Casing thread
5½"14550.82" FIG1502F5½" Casing thread
5¾"14850.82" FIG1502F5¾" Casing thread
6⅝"17850.82" FIG1502F6⅝" Casing thread
7"17950.82" FIG1502F7" Casing thread
7⅝"19550.82" FIG1502F7⅝" Casing thread
7¾"19850.82" FIG1502F7¾" Casing thread
7⅞"20250.82" FIG1502F7⅞" Casing thread
8⅝"22250.82" FIG1502F8⅝" Casing thread
9⅝"27050.82" FIG1502F9⅝" Casing thread
9⅞"27050.82" FIG1502F9⅞" Casing thread
10¾"27550.82" FIG1502F10¾" Casing thread
11¾"30050.82" FIG1502F11¾" Casing thread
12¾"32650.82" FIG1502F12¾" Casing thread
13⅜"34250.82" FIG1502F13⅜" Casing thread
13⅝"34850.82" FIG1502F13⅝" Casing thread
16"41050.82" FIG1502F16" Casing thread
16¾"42850.82" FIG1502F16¾" Casing thread
18⅝"47550.82" FIG1502F18⅝" Casing thread
20"51050.82" FIG1502F20" Casing thread

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