Connection: butt welding, flange
Nominal pressure PN: PN110
Pressure difference range: MPa: 0.01 to 6.5
PMA/TMA PMa/℃ : 6.5/427
Shell material: WC6
2. Good sealing performance, low air leakage rate, significant energy saving effect.
3. External manual air exhaust device can prevent air blockage; Built-in labyrinth steam unlocking device to prevent steam lock.
Usage: Mainly used for steam pipe network and steam heating equipment automatic air blocking drainage.