Composite exhaust Industrial Valves works: when the tube start injection, plug head stays in the open position, a large number of exhaust, when the air line up, the water floating ball is floating up in the valve, drive head to the closed position, stop the gas; When water tube is normal transportation, such as air gathered in a small amount of exhaust valve inside and, much of the water levels fall in the valve, floating ball drops, the air through the holes. When the pump stop, pipe flow space-time, or in the tube to produce negative pressure, the plug head open, sucked in air to ensure pipeline safety. Composite exhaust valve application range: 1. Medium: water, 2. Temperature: room temperature. 3. Body: cast iron HT2004. Floating ball and stopper: stainless steel 5. Sealing material: nitrile butadiene rubber (6). The valve body test pressure: 1. 5mpa7. Floating ball, seal test pressure: 0. 05 - 1. 1 mpa watertight structure features: sewage composite exhaust valve is round barrel type valve body, a total internal mainly include stainless steel ball float and head.
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