1. ITT Corporation. High pressure regulators, high pressure gas regulators and back pressure regulators from ITT conoflow [EB/OL]. [2013-01-12]. http://www.conoflow.com/products/HighPressureRegulators.html.
2. TESCOM Corporation. Tescom pressure regulators, valves and systems for accurate pressure control solution [EB/OL]. [2013-01-12]. http://www2.emersonprocess.com/en-us/brands/tescom/Pages/Tescom.aspx .
3. Xing Jian Space Corporation. Production selection guide of Ningbo Xingjian space [R]. Ningbo: XING JIAN SPACE Corporation, 2007.
4. RUAN J, BURTON R, UKRAINETZ P. An investigation into the characteristics of a two dimensional “2D” flow control valve [J]. Transactions of the ASME, 2002, 124: 214–220.
5. YANG Gang, GUO Hao, LI Bao-ren. Dynamic simulation investigation of a novel high-pressure pneumatic proportional control valve [J]. China Mechanical Engineering, 2007, 18(12): 1418–1420, 1437. (in Chinese)