WS casing head are WHI�s standard tapered profile that accepts any of the WS casing hangers. These units are designed for moderate duty service where ease of operation is desired. They are especially useful in low pressure or high temperature service. Units are available in nominal flange sizes to 13 5/8" and pressures to 5000 psi.

WS casing head housings are available with either a female threaded or slip-on (weld) lower connection. The slip-on connection housing has a 1/2" NPT test port, which allows testing of the weld integrity. 

WS casing head spools are provided with a restricted area packoff in the lower ID profile to isolate annulus pressure and allow for transition to higher pressures in the upper connections. The type WSS secondary seal is standard. The lower flange connection contains a 1/2" NPT test port, which allows positive testing of annulus seals.

Two 2" LP side outlets are standard on all casing head housings and on 2000 psi casing head spools. Higher pressure rated spools are provided standard with 2 1/16" studded side outlets. Other thread sizes, studded side outlet sizes or extended side outlets are also available. Flanged outlets are threaded internally for valve removal control plugs unless otherwise specified. Threaded outlets may be equipped with valve removal nipples if required.

If the use of a WS wear bushing is anticipated, housings can be furnished with two lock screw assemblies to prevent rotation and bowl wear. Additional lock screws can be provided if a tubing or casing mandrel is required. Information on WS wear bushings and running tools is available.

The WS casing head housing may be furnished with a landing base when required. Landing bases are used to distribute suspended tubular loads over a larger surface area and reduce bearing loads on surface pipe.