Specification:
The products
conform to API Spec 4F" Specification for Drilling , Well Service Derrick and
Structures". The
main parts are in accordance with API Spec 7, 7K, 8A, and meet the
demand of
firespooling stipulated by API RP 500.
Technical
Parameters:
The products conform to API Spec 4F" Specification for Drilling , Well Service Derrick and |