Casing head 
It can accept a variety of slip and mandrel casing hanger. It has a bearing design with a protective device to support the bowl, casing hanger and pressure test plug, and can prevent wedging problems when under pressure. It allows heavy casing loads to be suspended.
Bottom connection mode: external thread, internal thread, welding type, sliding card type,
Top connection mode: flange type, clamp type,
Side outlet design can be selected: threaded, threaded or flanged.

Working pressure: 2000PSI~20000PSI

Working medium: oil, natural gas, mud, H2S, CO2 gas

Operating temperature: -46°C ~ 121°C (LU class)

Material grade: AA, BB, CC, DD, EE, FF, HH

Specification level: PSL1-4

Performance level: PR1 or 2

Comply with API SPEC 6A