| Al-bronze Wafer/Lug Butterfly Valve | |
| Standard: | Design standard conform to: MSS SP-67, API609, EN593 |
| Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, | |
| JIS B2212/2213, BS 10 Table D, BS 10 Table E | |
| Top flange conform to: ISO 5211 | |
| Face to face conform to: API609, ISO5752 series 20, BS5155 | |
| Test standard conform to: API598 | |
| Design characters: | 1. Rubber backed seat with stable valve torque. |
| 2. Grooved sleeve design to achieve stable positioning. | |
| 3. Simple construction, small in size, light in weight. Easy disassembling, installation and maintenance. | |
| 4. Minimized operating torque. Lever, gear, pneumatic and electric actuators can be chosen. | |
| 5. Special design, high flow rate and low flow resistance. | |
| 6. Suitable medium: water, sewage, sea water, air, steam, food, medicament, oils, acids, alkalis, salts etc. No leakage under the rated pressure. | |
| Performance: | Nominal Diameter: Non-backed: DN50-DN300 |
| Backed: DN50-DN300 | |
| DN350-DN1200 | |
| Nominal Pressure PN (MPa): | 1.0, 1.6, 2.0, 2.5 |
| Testing pressure (water) Ps (MPa) | Body seat: 1.5 times rated pressure |
| Pressure range: | Seat test: 1.1 times rated pressure |
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