![inlet standard valve inlet standard valve](../../../images/products/viking/valv_in-std-205x150.jpg)
Viking Standard Inlet Valvet
The Viking standard inlet valve has a push button which is slightly higher than the housing. 360 degree swivel. Airflow 80 liters/min.
![inlet push-protected inlet push-protected](../../../images/products/viking/valv_in-pp-205x150.jpg)
Viking Push-Protected Inlet Valvet
The Viking push protected inlet valve has a push button slightly lower than the housing which helps prevent accidental inflation by equipment straps etc. 360 degree swivel. Airflow 80 liters/min.
![inlet hazmat valve inlet hazmat valve](../../../images/products/viking/valv_in-hazmat-205x150.jpg)
Viking Hazmat Inlet Valvet
The Viking Hazmat inlet valve is developed specifically for contaminated water diving conditions, and is equipped with a slide valve which may be closed manually enabling the diver to shut off the airflow in an emergency.
![inlet low acoustic valve inlet low acoustic valve](../../../images/products/viking/valv_in-low-205x150.jpg)
Viking Low-Acoustic Inlet Valvet
The Viking Low-Acoustic Inlet valve is visually the same as the Hazmat inlet, but the slide performs a different function. Fully open the valve has an airflow of 80 liters/min, and in the "second" position, the airflow is reduced to only 20 liters/min, which creates a significantly lower acoustic profile.
![vapeks inlet valve apeks inlet valve](../../../images/products/aqualung/valv_in-apeks-205x150.jpg)
Apeks Inlet Valvet
The Apeks inflation valve is robust and reliable, featuring an extra-large recessed push-button allowing for easy operation with cold hands or thick gloves.