sewage exhaust Industrial Valves used in composite pipe of the highest point on the road or breath, eliminate pipe gas to unclog the pipes, to reach the normal work, if not installed exhaust valve, pipe flow caused by moving heat generated in the liquid gas, forming a short circuit, make the pipe water capacity can not meet the requirements, secondly, pipeline operation occurs when a power outage, stop the pump pipe way there will be a negative pressure, and will cause pipeline vibration or rupture, row ( Suction) Air valve is quickly put the air suction pipe, prevent the pipeline vibration or broken. Po this valve installed in the pump outlet or send water distribution pipeline, to eliminate pipe of the gathering of the air, to enhance the pipe and pump efficiency, once appear, negative pressure and tube, the Industrial Valves can quickly inhaled air, to keep line due to the negative pressure generated by the damage, is an integral part of the valve pump pu equipment. When tube began to water 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, if there is a small amount of air gathered within the valve to a degree, 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. Note: the exhaust valve in use process pressure not less than 0. 02 mpa, such as lower than 0. 02 mpa, exhaust valve is easy to appear slack. Must match a valve for maintenance. Composite exhaust valve structure and purpose: sewage exhaust valve barrel type valve body structure, its internal main stainless steel ball float and head. Sewage discharge valve design from the pump outlet or send in water distribution pipeline, to eliminate pipe of the gathering of the air, to enhance the pipe and pump efficiency, tube once appeared negative pressure, the valve can quickly inhaled air, to ensure that the pipeline will not be damaged due to the suction surface. Sewage composite exhaust valve main technical parameters of 1. Nominal pressure: 1. 0Mpa 2. Nominal diameter: DN25 flange connection for 3 ~ 200 mm. Applicable medium: water, sewage, 4. Applicable temperature: 0 ~ 80 ℃. The flange standard: GB/T 17241. 6 6. Test standard: GB/T 13927 7. Body: HT200 8. Floating ball and flapper: 304 stainless steel 9. Sealing material: nitrile butadiene rubber

os&y valve gate valve is generally used to cast iron valve.
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