API-Compliant Ball Valve Design

I need assistance designing a 2-flange ball valve with internal components for an oil application as part of a university project. The valve must be made of stainless steel and comply with API standards.

Requirements:
- 2-flange ball valve design
- Internal components design
- Oil application suitability
- Stainless steel material
- API standards compliance

Ideal Skills and Experience:
- Mechanical engineering expertise
- Experience with valve design
- Knowledge of API standards
- Proficiency in CAD software

Please provide any relevant portfolios and ensure adherence to the project specifications.