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English  |
| Quantity: | |
|---|---|
ST-PQ0004
SHSUOTE
848190
1.Description.
The compound exhaust valve is used at the highest point of the sewage pipe or at the place with air tight. It can dredge the pipe by removing the gas in the pipe and work normally.If the exhaust valve is not installed, the pipeline gas resistance occurs at any time, is the pipeline water output capacity can not meet the design requirements, secondly: the pipeline in the operation of a power failure, stop the pump pipe timely negative pressure will cause the pipeline vibration or rupture, exhaust (suction) valve quickly put the air into the tube, to prevent the pipeline vibration or rupture.
The compound exhaust valve is a cylindrical body, which mainly contains a set of stainless steel balls, rods and plugs.The valve is installed at the pump outlet or water supply line
In order to improve the efficiency of the pipeline and the pump, the valve can quickly absorb the outside air in case of negative pressure in the pipe, so as to protect the pipeline from damage caused by negative pressure
2.Main parts&material
| No. | Part | Material |
| 1 | body | Ductile iron |
| 2 | bonnet | Ductile iron |
| 3 | Ball Float | Stainless steelSS304 |
| 4 | Seal Material | Ball seat/NBR |
3.Features
01. When the empty piping system is filled with water, air can be discharged in large quantities
02. The trace air accumulated in the pipeline system can be discharged continuously through the holes;
03. When the pipeline is empty, a large amount of air can be inhaled from the atmosphere to prevent the pipeline from breaking or deformation.
04. Exquisite and advanced mechanical design, strong and strong float ball, can prevent being damaged by the sudden water hammer.
05. Before the water level rises to push the float ball to seal the exhaust orifice;Even if the compressed air reaches the speed of sound, the float can still stay at the bottom.
06. No arm or lever to prevent vibration and falling off.
07. The float ball is provided with a stainless steel sleeve to ensure that the float ball slides in the set guide rail.
08. The rubber anti-collision mat at the bottom has the function of protecting the collision in the falling of the float ball. In the case of negative pressure, through the exquisite design of enough holes, fast drainage and suction can be achieved
4.Execution standard
| Design standard | GB/T 217,BS EN 1074-3,AWWA C512 | |
| Flange connection standard | GB/T 17241.6,BS EN 1092, BS EN 558,ANSI | |
| Structural length standard | GB/T12465 | |
| Inspection testing standard | GB/T13927 | |
5.Technical parameters
| Nominal diameter | DN50~DN300 | |
| Nominal pressure | 1.0MPa,1.6MPa,2.5MPa | |
| Operating temperature | 0°C~80°C | |
| Seal test | 1.1PN | |
| Shell test | 1.5PN | |
| Suitable medium | Water | |
| Low pressure seal | 0.02MPa | |
6.Operating principle
When have gas overflow system, the gas will be along the pipeline social climbers, and eventually gathered at the highest point of the system, and the composite high exhaust valve is generally installed in the system, when the gas into the compound exhaust valve valve cavity gathered in the upper portion of the exhaust valve, with the increasing of the gas inside the valve, pressure rise, when gas pressure is greater than the system pressure, the gas can make the cavity of the water drops, buoy with water level drops, open the vent;When the gas is exhausted, the water level rises and the buoy rises, closing the exhaust port.Similarly, when negative pressure is generated in the system, the water level in the valve chamber drops and the exhaust port is opened. Since the external atmospheric pressure is larger than the system pressure at this time, the atmosphere will enter the system through the exhaust port to prevent the harm of negative pressure.If you tighten the bonnet on the body of an exhaust valve and the exhaust valve stops venting, the bonnet should normally be open.The exhaust valve can also be used with the partition valve to facilitate the repair of the composite exhaust valve.
1.Description.
The compound exhaust valve is used at the highest point of the sewage pipe or at the place with air tight. It can dredge the pipe by removing the gas in the pipe and work normally.If the exhaust valve is not installed, the pipeline gas resistance occurs at any time, is the pipeline water output capacity can not meet the design requirements, secondly: the pipeline in the operation of a power failure, stop the pump pipe timely negative pressure will cause the pipeline vibration or rupture, exhaust (suction) valve quickly put the air into the tube, to prevent the pipeline vibration or rupture.
The compound exhaust valve is a cylindrical body, which mainly contains a set of stainless steel balls, rods and plugs.The valve is installed at the pump outlet or water supply line
In order to improve the efficiency of the pipeline and the pump, the valve can quickly absorb the outside air in case of negative pressure in the pipe, so as to protect the pipeline from damage caused by negative pressure
2.Main parts&material
| No. | Part | Material |
| 1 | body | Ductile iron |
| 2 | bonnet | Ductile iron |
| 3 | Ball Float | Stainless steelSS304 |
| 4 | Seal Material | Ball seat/NBR |
3.Features
01. When the empty piping system is filled with water, air can be discharged in large quantities
02. The trace air accumulated in the pipeline system can be discharged continuously through the holes;
03. When the pipeline is empty, a large amount of air can be inhaled from the atmosphere to prevent the pipeline from breaking or deformation.
04. Exquisite and advanced mechanical design, strong and strong float ball, can prevent being damaged by the sudden water hammer.
05. Before the water level rises to push the float ball to seal the exhaust orifice;Even if the compressed air reaches the speed of sound, the float can still stay at the bottom.
06. No arm or lever to prevent vibration and falling off.
07. The float ball is provided with a stainless steel sleeve to ensure that the float ball slides in the set guide rail.
08. The rubber anti-collision mat at the bottom has the function of protecting the collision in the falling of the float ball. In the case of negative pressure, through the exquisite design of enough holes, fast drainage and suction can be achieved
4.Execution standard
| Design standard | GB/T 217,BS EN 1074-3,AWWA C512 | |
| Flange connection standard | GB/T 17241.6,BS EN 1092, BS EN 558,ANSI | |
| Structural length standard | GB/T12465 | |
| Inspection testing standard | GB/T13927 | |
5.Technical parameters
| Nominal diameter | DN50~DN300 | |
| Nominal pressure | 1.0MPa,1.6MPa,2.5MPa | |
| Operating temperature | 0°C~80°C | |
| Seal test | 1.1PN | |
| Shell test | 1.5PN | |
| Suitable medium | Water | |
| Low pressure seal | 0.02MPa | |
6.Operating principle
When have gas overflow system, the gas will be along the pipeline social climbers, and eventually gathered at the highest point of the system, and the composite high exhaust valve is generally installed in the system, when the gas into the compound exhaust valve valve cavity gathered in the upper portion of the exhaust valve, with the increasing of the gas inside the valve, pressure rise, when gas pressure is greater than the system pressure, the gas can make the cavity of the water drops, buoy with water level drops, open the vent;When the gas is exhausted, the water level rises and the buoy rises, closing the exhaust port.Similarly, when negative pressure is generated in the system, the water level in the valve chamber drops and the exhaust port is opened. Since the external atmospheric pressure is larger than the system pressure at this time, the atmosphere will enter the system through the exhaust port to prevent the harm of negative pressure.If you tighten the bonnet on the body of an exhaust valve and the exhaust valve stops venting, the bonnet should normally be open.The exhaust valve can also be used with the partition valve to facilitate the repair of the composite exhaust valve.
