Manual high-performance butterfly valve main features:

1. Unique structure, double-sided pressure design, the valve strength in line with: ASME B16.34, API 598
2. Full range of pressure ring patent structure, ultra-reliable sealing.
3. A full range of anti-static guide device structure, ultra-small operating torque.
4. In accordance with the explosion-proof certification: ATEX 94/9 / CE Group II Category 2 GD
5. Full caliber through the API 607 ​​fire test requirements, special conditions safe fire, long long service life.
6. Metal seat leakage rating in accordance with ANSI FCI 70-2-2003 Table 1 CLASS IV
7. relief valve transportation shaft escape in line with EPA Method 21 test and TA-LUFT emission requirements (OPTIONS)
8. Connection method has a folder, single flange type.