2 inch Breathing Valve
WH-5102 2" It is a self-acting device, designed for keeping tanks to work properly. It could release air out of tanks to maintain pressure and also absorb air into tanks to be anti-vacuum.
- Product Introduction
Stainless Steel Sanitary-grade-quick-installing breathing valve is also called safety valve,clamp type pressure regulating valve, automatic exhaust valve,pressure reducing valve,and vacuum valve beer can fermenter.
Scope of application:beer,beverage,dairy,edible oil,biological,pharmacceutical,texible,chemical and other industries.
Sanitary Tank Pressure and Vacuum Relief Valves work in the following ways-- From the Vacuum side, when the valve is normally closed and there is vacuum in the tank, the vacuum piston inside the valve opens automatically and draws air into the tank. In return, this keeps the pressure inside and outside the tank balanced. From the Pressure side, when the valve is normally closed and the tank pressure exceeds the rated pressure on the outside of the valve, the valve automatically opens and vents air to atmosphere.
As for installation of the clamp style Tank Pressure and Vacuum Relief Valve, position the valve on the process line and tighten the nut or fasten the clamp according to the fastening system selected and if you are using the clamp style it is recommended to use a clamp gasket and tighten the wing nut of the Heavy Duty Single Pin Clamp to 25 inch pounds of torque.
The calibration range is as follows:
Pressure: 2.8 PSI to 43.5 PSI
Vacuum: 0.15 PSI to 0.75 PSI
The above calibration ranges depend on model and size.
A 2 inch breathing valve, also known as a pressure relief valve or safety valve, is an essential component in any pipeline or vessel that carries liquid or gas under high pressure. The primary function of the to relieve excess pressure that may build up inside the pipeline or vessel.
The valve is designed to open automatically and release the pressure when it exceeds a predetermined level, usually set by the user. This prevents the pipeline or vessel from rupturing or exploding, which could result in catastrophic damage, injury or loss of life.
The made from high-quality materials that can withstand high pressure and also resist corrosion and other forms of damage caused by exposure to harsh environments. It has a simple design and can be easily installed and maintained.
In addition to its primary function of pressure relief, the also helps to maintain a constant flow of liquid or gas through the pipeline or vessel. It achieves this by opening and closing in response to changes in pressure, ensuring that the pressure inside the pipeline or vessel remains within safe levels at all times.
Introduction to Functions and Characteristics
The valve is applied to pressure vessel pipeline system.
Breathing valve has two functions. When the pressure is higher than the set pressure (standard 1BAR), it can exhaust and turn off. When the vacuum (standard-0.2BAR) occurs in the pipeline system, the valve opens automatically to ensure the safety and protection of equipment and related instruments. At the same time, it can also meet the needs of various production processes. The valve is stainless steel. Material, sanitary design, satisfied with a variety of food processing, beer, beverage and pharmaceutical industries.


Technical data: Interface: clamp Pressure:0.2mpa Temperature:-30C。+150c。Working Media:gas
| Size | D2 | D1 | D3 | H |
| 1.5" | Φ50.5 | Φ35 | Φ42 | 72 |
| 2" | Φ64 | Φ47 | Φ51 | 85 |
| 2.5" | Φ78 | Φ59 | Φ64 | 90 |

| No | Name | Material |
| 1 | Valve body | SS304 |
| 2 | Valve core | SS304 |
| 3 | Gasket | EPDM |
| 4 | Valve core base | SS304 |
| 5 | Negative Pressure Spring | SS304 |
| 6 | Positive Spring | SS304 |
| 7 | Screw Cover | SS304 |
Application Scene







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