Features:
- 400 Series stainless steel CAPSULE® seat regulators provide 360° filtration
- Metal-to-metal diaphragm seal prevents gas contamination
- Single knob priority valve permits easy switch of cylinder priority
- Purge valve enables purging after cylinder changeover
- Optional line regulator maintains stable line pressure during a changeover
- Check valve in optional regulator hose inlet gland prohibits contamination and backflow
