For this procedure the quick connecting couplers of this famous japanese manucturer are worldwide well approved. Under the brand PCV and SP-V these couplers can be found in many production lines. The connection to the tube is executed by a simple, but very effective lever system (just pressing the lever down), the connection to the filling system is managed by high vacuum resistant couplers. The range of the tube couplers reaches from tube outer diameter 4mm up to 15,88mm. Different packings materials are available to meet nearly every usage condition. The couplers are made by brass or by stainless steel.