Welding with a catheter type OXYGEN, VAC suction Pipeline installation &Connect: Adopt cooper pipe welding type. Attach the copper pipe of external diameter of Φ8χ 1 to insert the the hole in the copper pipe of the unit then welding. The height of this unit is 64mm. Please see the details in "Brief Introduction of Gas Outlet Series"before installation. Instruction: Just push the connector and the fixed pin into the hole of the outlet slightly it's lock. While unlock just hold the connector turn the 1/6 circle clockwise.

Japanese Standard Gas Outlet